{"id":53247,"date":"2026-05-15T10:14:19","date_gmt":"2026-05-15T10:14:19","guid":{"rendered":"https:\/\/zobai.com\/?page_id=53247"},"modified":"2026-05-15T10:16:11","modified_gmt":"2026-05-15T10:16:11","slug":"oxygen","status":"publish","type":"page","link":"https:\/\/zobai.com\/ru\/applications\/oxygen\/","title":{"rendered":"\u041a\u0438\u0441\u043b\u043e\u0440\u043e\u0434"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"53247\" class=\"elementor elementor-53247\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1fa44a6 e-con-full e-flex cmsmasters-bg-hide-none cmsmasters-bg-hide-none cmsmasters-block-default e-con e-parent\" data-id=\"1fa44a6\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-16c7d154 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"16c7d154\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-657204d8 cmsmasters-breadcrumbs-alignment-left cmsmasters-breadcrumbs-type-rank cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-cmsmasters-breadcrumbs cmsmasters-widget-breadcrumbs\" data-id=\"657204d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"cmsmasters-breadcrumbs.default\">\n\t\t\t\t\t<div class=\"cmsmasters-widget-breadcrumbs__container\"><div class=\"cmsmasters-widget-breadcrumbs__content\"><nav aria-label=\"breadcrumbs\" class=\"rank-math-breadcrumb\"><p><span class=\"last\">Home<\/span><\/p><\/nav><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40cb862d elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"40cb862d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;cmsmasters-fade-in-up&quot;,&quot;_animation_delay&quot;:150}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Oxygen Safety Valves for O2 Pipelines, LOX, Compressors, Medical Gas and Industrial Oxygen Systems<\/h1>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2e6108f2 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2e6108f2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-35827c8a cmsmasters-button-mobile-align-center cmsmasters-icon-arrangement-together cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-cmsmasters-button\" data-id=\"35827c8a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;cmsmasters-pop-in&quot;,&quot;_animation_delay&quot;:300}\" data-widget_type=\"cmsmasters-button.default\">\n\t\t\t\t\t<div class=\"elementor-widget-cmsmasters-button__button-container\"><div class=\"elementor-widget-cmsmasters-button__button-container-inner\"><a href=\"https:\/\/zobai.com\/ru\/?page_id=48437\" class=\"cmsmasters-button-link elementor-widget-cmsmasters-button__button cmsmasters-icon-view-default cmsmasters-icon-shape- cmsmasters-button-size-sm\" role=\"button\" tabindex=\"0\"><span class=\"elementor-widget-cmsmasters-button__content-wrapper cmsmasters-align-icon-right\"><span class=\"elementor-widget-cmsmasters-button__icon\"><i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i><\/span><span class=\"elementor-widget-cmsmasters-button__text\">CONTACT SALES<\/span><\/span><\/a><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5aeb43f1 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5aeb43f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-18e29075 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"18e29075\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5359879a e-con-full cmsmasters-effect cmsmasters-effect-type-transform e-flex cmsmasters-effect-hover-type-element cmsmasters-block-default e-con e-child\" data-id=\"5359879a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;absolute&quot;,&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-57f6e881 e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"57f6e881\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-285c833d cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-html\" data-id=\"285c833d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\r\n  .zobai-oxygen-page {\r\n    --z-green: #0fad87;\r\n    --z-green-dark: #087761;\r\n    --z-ink: #20242a;\r\n    --z-muted: #66727f;\r\n    --z-bg: #f3f4f5;\r\n    --z-card: #ffffff;\r\n    --z-line: #e3e8ec;\r\n    --z-soft: #eef8f5;\r\n    --z-dark: #102522;\r\n    --z-radius: 22px;\r\n    font-family: inherit;\r\n    color: var(--z-ink);\r\n    background: var(--z-bg);\r\n  }\r\n\r\n  .zobai-oxygen-page * { box-sizing: border-box; }\r\n\r\n  .zobai-oxygen-section {\r\n    max-width: 100%;\r\n    margin: 0 auto;\r\n    padding: 88px 80px;\r\n  }\r\n\r\n  .zobai-oxygen-section-soft { background: #f8faf9; }\r\n\r\n  .zobai-oxygen-eyebrow {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    gap: 8px;\r\n    color: var(--z-green);\r\n    font-size: 13px;\r\n    font-weight: 800;\r\n    letter-spacing: 0.14em;\r\n    text-transform: uppercase;\r\n    margin-bottom: 18px;\r\n  }\r\n\r\n  .zobai-oxygen-eyebrow:before {\r\n    content: \"\u203a\u203a\u203a\";\r\n    color: var(--z-green);\r\n    font-size: 20px;\r\n    letter-spacing: -2px;\r\n  }\r\n\r\n  .zobai-oxygen-title {\r\n    font-size: clamp(34px, 5vw, 76px);\r\n    line-height: 1.04;\r\n    letter-spacing: -0.04em;\r\n    margin: 0 0 26px;\r\n    color: var(--z-ink);\r\n    max-width: 1120px;\r\n  }\r\n\r\n  .zobai-oxygen-lead {\r\n    font-size: clamp(17px, 1.5vw, 21px);\r\n    line-height: 1.75;\r\n    color: #35404a;\r\n    max-width: 1120px;\r\n    margin: 0 0 34px;\r\n  }\r\n\r\n  .zobai-oxygen-grid {\r\n    display: grid;\r\n    grid-template-columns: repeat(12, 1fr);\r\n    gap: 28px;\r\n  }\r\n\r\n  .zobai-oxygen-span-4 { grid-column: span 4; }\r\n  .zobai-oxygen-span-5 { grid-column: span 5; }\r\n  .zobai-oxygen-span-6 { grid-column: span 6; }\r\n  .zobai-oxygen-span-7 { grid-column: span 7; }\r\n  .zobai-oxygen-span-12 { grid-column: span 12; }\r\n\r\n  .zobai-oxygen-card,\r\n  .zobai-oxygen-case {\r\n    background: var(--z-card);\r\n    border: 1px solid var(--z-line);\r\n    border-radius: var(--z-radius);\r\n    padding: 30px;\r\n    box-shadow: 0 14px 38px rgba(18, 31, 42, 0.06);\r\n  }\r\n\r\n  .zobai-oxygen-card h2,\r\n  .zobai-oxygen-card h3,\r\n  .zobai-oxygen-case h3 {\r\n    margin: 0 0 14px;\r\n    color: var(--z-ink);\r\n  }\r\n\r\n  .zobai-oxygen-card h3,\r\n  .zobai-oxygen-case h3 {\r\n    font-size: 24px;\r\n    line-height: 1.25;\r\n  }\r\n\r\n  .zobai-oxygen-card p,\r\n  .zobai-oxygen-case p {\r\n    font-size: 16px;\r\n    line-height: 1.72;\r\n    color: #48525d;\r\n    margin: 0 0 16px;\r\n  }\r\n\r\n  .zobai-oxygen-card p:last-child,\r\n  .zobai-oxygen-case p:last-child { margin-bottom: 0; }\r\n\r\n  .zobai-oxygen-hero-panel {\r\n    background: linear-gradient(135deg, #09201d 0%, #0b3c34 48%, #0f8a6d 100%);\r\n    border-radius: 34px;\r\n    color: #fff;\r\n    padding: 50px;\r\n    position: relative;\r\n    overflow: hidden;\r\n  }\r\n\r\n  .zobai-oxygen-hero-panel:after {\r\n    content: \"\";\r\n    position: absolute;\r\n    width: 360px;\r\n    height: 360px;\r\n    border-radius: 50%;\r\n    right: -150px;\r\n    top: -170px;\r\n    background: rgba(255,255,255,0.08);\r\n  }\r\n\r\n  .zobai-oxygen-hero-panel h2 {\r\n    color: #fff;\r\n    font-size: clamp(34px, 4.6vw, 66px);\r\n    line-height: 1.06;\r\n    letter-spacing: -0.04em;\r\n    margin: 0 0 22px;\r\n    position: relative;\r\n    z-index: 1;\r\n  }\r\n\r\n  .zobai-oxygen-hero-panel p {\r\n    color: rgba(255,255,255,0.88);\r\n    line-height: 1.75;\r\n    font-size: 18px;\r\n    max-width: 980px;\r\n    margin: 0;\r\n    position: relative;\r\n    z-index: 1;\r\n  }\r\n\r\n  .zobai-oxygen-kpi {\r\n    display: grid;\r\n    grid-template-columns: repeat(4, 1fr);\r\n    gap: 14px;\r\n    margin-top: 34px;\r\n    position: relative;\r\n    z-index: 1;\r\n  }\r\n\r\n  .zobai-oxygen-kpi-item {\r\n    border: 1px solid rgba(255,255,255,0.18);\r\n    background: rgba(255,255,255,0.08);\r\n    border-radius: 20px;\r\n    padding: 22px;\r\n  }\r\n\r\n  .zobai-oxygen-kpi-item strong {\r\n    display: block;\r\n    color: #a9f4df;\r\n    font-size: 13px;\r\n    letter-spacing: 0.08em;\r\n    text-transform: uppercase;\r\n    margin-bottom: 10px;\r\n  }\r\n\r\n  .zobai-oxygen-kpi-item span {\r\n    display: block;\r\n    color: #fff;\r\n    font-size: 20px;\r\n    line-height: 1.28;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .zobai-oxygen-flow {\r\n    display: grid;\r\n    gap: 16px;\r\n    margin-top: 28px;\r\n  }\r\n\r\n  .zobai-oxygen-flow-item {\r\n    display: grid;\r\n    grid-template-columns: 90px 1fr;\r\n    gap: 20px;\r\n    background: #fff;\r\n    border: 1px solid var(--z-line);\r\n    border-radius: 22px;\r\n    padding: 24px;\r\n    box-shadow: 0 12px 30px rgba(18, 31, 42, 0.04);\r\n  }\r\n\r\n  .zobai-oxygen-flow-num {\r\n    width: 64px;\r\n    height: 64px;\r\n    border-radius: 18px;\r\n    background: var(--z-soft);\r\n    color: var(--z-green-dark);\r\n    display: flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    font-size: 22px;\r\n    font-weight: 900;\r\n  }\r\n\r\n  .zobai-oxygen-flow-item h3 {\r\n    margin: 0 0 8px;\r\n    font-size: 24px;\r\n    color: var(--z-ink);\r\n  }\r\n\r\n  .zobai-oxygen-flow-item p {\r\n    margin: 0;\r\n    color: #4d5863;\r\n    line-height: 1.68;\r\n  }\r\n\r\n  .zobai-oxygen-table-wrap {\r\n    overflow-x: auto;\r\n    border-radius: 20px;\r\n    border: 1px solid var(--z-line);\r\n    background: #fff;\r\n    box-shadow: 0 14px 34px rgba(18, 31, 42, 0.04);\r\n  }\r\n\r\n  .zobai-oxygen-table {\r\n    width: 100%;\r\n    border-collapse: collapse;\r\n    min-width: 980px;\r\n    font-size: 15px;\r\n  }\r\n\r\n  .zobai-oxygen-table th {\r\n    background: #102522;\r\n    color: #fff;\r\n    padding: 17px 18px;\r\n    text-align: left;\r\n    font-weight: 850;\r\n    white-space: nowrap;\r\n  }\r\n\r\n  .zobai-oxygen-table td {\r\n    padding: 17px 18px;\r\n    border-bottom: 1px solid var(--z-line);\r\n    color: #3d4953;\r\n    vertical-align: top;\r\n    line-height: 1.55;\r\n  }\r\n\r\n  .zobai-oxygen-table tr:nth-child(even) td { background: #fbfcfc; }\r\n  .zobai-oxygen-table tr:last-child td { border-bottom: 0; }\r\n\r\n  .zobai-oxygen-list {\r\n    display: grid;\r\n    gap: 12px;\r\n    margin: 20px 0 0;\r\n    padding: 0;\r\n    list-style: none;\r\n  }\r\n\r\n  .zobai-oxygen-list li {\r\n    position: relative;\r\n    padding-left: 30px;\r\n    color: #48525d;\r\n    line-height: 1.62;\r\n  }\r\n\r\n  .zobai-oxygen-list li:before {\r\n    content: \"\u2713\";\r\n    position: absolute;\r\n    left: 0;\r\n    top: 0;\r\n    color: var(--z-green);\r\n    font-weight: 900;\r\n  }\r\n\r\n  .zobai-oxygen-case {\r\n    border-radius: 24px;\r\n    padding: 28px;\r\n  }\r\n\r\n  .zobai-oxygen-case-top {\r\n    display: flex;\r\n    justify-content: space-between;\r\n    gap: 16px;\r\n    align-items: flex-start;\r\n    margin-bottom: 18px;\r\n  }\r\n\r\n  .zobai-oxygen-case-tag {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    white-space: nowrap;\r\n    border-radius: 999px;\r\n    background: var(--z-soft);\r\n    color: var(--z-green-dark);\r\n    padding: 8px 12px;\r\n    font-size: 13px;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .zobai-oxygen-case-data {\r\n    display: grid;\r\n    grid-template-columns: repeat(2, 1fr);\r\n    gap: 10px 18px;\r\n    margin: 18px 0;\r\n    padding: 18px;\r\n    border-radius: 18px;\r\n    background: #f8fbfa;\r\n    border: 1px solid #dcebe7;\r\n  }\r\n\r\n  .zobai-oxygen-case-data div {\r\n    color: #42505b;\r\n    line-height: 1.5;\r\n    font-size: 14px;\r\n  }\r\n\r\n  .zobai-oxygen-case-data b { color: var(--z-ink); }\r\n\r\n  .zobai-oxygen-chip-row {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 10px;\r\n    margin-top: 22px;\r\n  }\r\n\r\n  .zobai-oxygen-chip {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    border: 1px solid #cde6df;\r\n    background: #f5fffb;\r\n    color: #0a6d5b;\r\n    border-radius: 999px;\r\n    padding: 9px 14px;\r\n    font-size: 14px;\r\n    font-weight: 700;\r\n  }\r\n\r\n  .zobai-oxygen-link-grid {\r\n    display: grid;\r\n    grid-template-columns: repeat(3, 1fr);\r\n    gap: 14px;\r\n    margin-top: 24px;\r\n  }\r\n\r\n  .zobai-oxygen-link-card {\r\n    display: block;\r\n    text-decoration: none;\r\n    background: #fff;\r\n    border: 1px solid var(--z-line);\r\n    border-radius: 18px;\r\n    padding: 20px;\r\n    transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;\r\n  }\r\n\r\n  .zobai-oxygen-link-card:hover {\r\n    transform: translateY(-2px);\r\n    border-color: #a7ded1;\r\n    box-shadow: 0 14px 34px rgba(18,31,42,0.08);\r\n  }\r\n\r\n  .zobai-oxygen-link-card strong {\r\n    display: block;\r\n    color: var(--z-ink);\r\n    font-size: 17px;\r\n    margin-bottom: 8px;\r\n  }\r\n\r\n  .zobai-oxygen-link-card span {\r\n    display: block;\r\n    color: #5d6873;\r\n    line-height: 1.55;\r\n    font-size: 14px;\r\n  }\r\n\r\n  .zobai-oxygen-accordion { display: grid; gap: 14px; }\r\n\r\n  .zobai-oxygen-acc-item {\r\n    background: #fff;\r\n    border: 1px solid var(--z-line);\r\n    border-radius: 18px;\r\n    overflow: hidden;\r\n  }\r\n\r\n  .zobai-oxygen-acc-btn {\r\n    width: 100%;\r\n    border: 0;\r\n    background: #fff;\r\n    padding: 22px 24px;\r\n    display: flex;\r\n    justify-content: space-between;\r\n    align-items: center;\r\n    text-align: left;\r\n    cursor: pointer;\r\n    color: var(--z-ink);\r\n    font-size: 18px;\r\n    font-weight: 850;\r\n  }\r\n\r\n  .zobai-oxygen-acc-btn span {\r\n    width: 34px;\r\n    height: 34px;\r\n    border-radius: 50%;\r\n    background: var(--z-soft);\r\n    color: var(--z-green-dark);\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    flex: 0 0 34px;\r\n    margin-left: 16px;\r\n    transition: transform 0.2s ease;\r\n  }\r\n\r\n  .zobai-oxygen-acc-item.is-open .zobai-oxygen-acc-btn span { transform: rotate(45deg); }\r\n\r\n  .zobai-oxygen-acc-body {\r\n    display: none;\r\n    padding: 0 24px 24px;\r\n    color: #4a5661;\r\n    line-height: 1.72;\r\n    font-size: 16px;\r\n  }\r\n\r\n  .zobai-oxygen-acc-item.is-open .zobai-oxygen-acc-body { display: block; }\r\n\r\n  .zobai-oxygen-rfq {\r\n    background: linear-gradient(135deg, #09201d 0%, #0d6f5d 100%);\r\n    border-radius: 34px;\r\n    padding: 48px;\r\n    color: #fff;\r\n    display: grid;\r\n    grid-template-columns: 1.05fr 0.95fr;\r\n    gap: 36px;\r\n    align-items: center;\r\n  }\r\n\r\n  .zobai-oxygen-rfq h2 {\r\n    font-size: clamp(32px, 4vw, 56px);\r\n    line-height: 1.08;\r\n    letter-spacing: -0.04em;\r\n    color: #fff;\r\n    margin: 0 0 18px;\r\n  }\r\n\r\n  .zobai-oxygen-rfq p {\r\n    color: rgba(255,255,255,0.86);\r\n    line-height: 1.72;\r\n    font-size: 17px;\r\n    margin: 0 0 24px;\r\n  }\r\n\r\n  .zobai-oxygen-rfq-box {\r\n    background: rgba(255,255,255,0.10);\r\n    border: 1px solid rgba(255,255,255,0.18);\r\n    border-radius: 24px;\r\n    padding: 26px;\r\n  }\r\n\r\n  .zobai-oxygen-rfq-box h3 {\r\n    color: #fff;\r\n    font-size: 22px;\r\n    margin: 0 0 16px;\r\n  }\r\n\r\n  .zobai-oxygen-rfq-grid {\r\n    display: grid;\r\n    grid-template-columns: 1fr 1fr;\r\n    gap: 10px;\r\n  }\r\n\r\n  .zobai-oxygen-rfq-item {\r\n    background: rgba(255,255,255,0.10);\r\n    border-radius: 14px;\r\n    padding: 12px 14px;\r\n    color: rgba(255,255,255,0.92);\r\n    font-size: 14px;\r\n    font-weight: 700;\r\n  }\r\n\r\n  .zobai-oxygen-btn-row {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 14px;\r\n  }\r\n\r\n  .zobai-oxygen-btn {\r\n    display: inline-flex;\r\n    align-items: center;\r\n    justify-content: center;\r\n    min-height: 48px;\r\n    border-radius: 12px;\r\n    padding: 0 22px;\r\n    text-decoration: none;\r\n    font-weight: 850;\r\n    transition: transform 0.18s ease, opacity 0.18s ease;\r\n  }\r\n\r\n  .zobai-oxygen-btn:hover {\r\n    transform: translateY(-2px);\r\n    opacity: 0.92;\r\n  }\r\n\r\n  .zobai-oxygen-btn-primary {\r\n    background: #ffc400;\r\n    color: #18201f;\r\n  }\r\n\r\n  .zobai-oxygen-btn-secondary {\r\n    background: rgba(255,255,255,0.12);\r\n    color: #fff;\r\n    border: 1px solid rgba(255,255,255,0.32);\r\n  }\r\n\r\n  .zobai-oxygen-note {\r\n    margin-top: 18px;\r\n    color: #66727f;\r\n    font-size: 14px;\r\n    line-height: 1.6;\r\n  }\r\n\r\n  @media (max-width: 1024px) {\r\n    .zobai-oxygen-span-4,\r\n    .zobai-oxygen-span-5,\r\n    .zobai-oxygen-span-6,\r\n    .zobai-oxygen-span-7,\r\n    .zobai-oxygen-span-12 { grid-column: span 12; }\r\n\r\n    .zobai-oxygen-kpi,\r\n    .zobai-oxygen-link-grid { grid-template-columns: 1fr; }\r\n\r\n    .zobai-oxygen-rfq { grid-template-columns: 1fr; }\r\n  }\r\n\r\n  @media (max-width: 640px) {\r\n    .zobai-oxygen-section { padding: 58px 18px; }\r\n\r\n    .zobai-oxygen-card,\r\n    .zobai-oxygen-hero-panel,\r\n    .zobai-oxygen-rfq,\r\n    .zobai-oxygen-case {\r\n      padding: 26px 20px;\r\n      border-radius: 24px;\r\n    }\r\n\r\n    .zobai-oxygen-flow-item { grid-template-columns: 1fr; }\r\n    .zobai-oxygen-case-top { flex-direction: column; }\r\n    .zobai-oxygen-case-data { grid-template-columns: 1fr; }\r\n    .zobai-oxygen-rfq-grid { grid-template-columns: 1fr; }\r\n  }\r\n<\/style>\r\n\r\n<div class=\"zobai-oxygen-page\">\r\n\r\n  <section class=\"zobai-oxygen-section\">\r\n    <div class=\"zobai-oxygen-hero-panel\">\r\n      <div class=\"zobai-oxygen-eyebrow\">Oxygen \/ O2 Pressure Relief Service<\/div>\r\n      <h2>Oxygen Safety Valves for O2 Pipelines, LOX, Compressors, Medical Gas and Industrial Oxygen Systems<\/h2>\r\n      <p>\r\n        Oxygen safety valves protect industrial oxygen pipelines, gaseous oxygen manifolds, LOX storage tanks, cryogenic oxygen vaporizers, oxygen compressors, PSA \/ VPSA oxygen generators, medical oxygen supply systems, cutting and welding oxygen stations, steel plant oxygen headers, chemical oxidation units, wastewater oxygenation systems, aerospace test systems and oxygen cylinder filling skids from overpressure. Correct selection starts with oxygen concentration, gas or liquid phase, set pressure, protected equipment MAWP, required relieving capacity, oxygen cleaning requirement, ignition risk, adiabatic compression, particle impact, material compatibility, seat design, leakage tightness, back pressure, discharge destination and required inspection documents.\r\n      <\/p>\r\n\r\n      <div class=\"zobai-oxygen-kpi\">\r\n        <div class=\"zobai-oxygen-kpi-item\">\r\n          <strong>Core Equipment<\/strong>\r\n          <span>O2 pipelines, LOX tanks, vaporizers, compressors, PSA units and medical gas systems<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-kpi-item\">\r\n          <strong>Key Relief Cases<\/strong>\r\n          <span>Regulator failure, compressor discharge, blocked outlet, thermal expansion and vaporizer upset<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-kpi-item\">\r\n          <strong>Engineering Focus<\/strong>\r\n          <span>Oxygen cleaning, ignition control, material compatibility, tight shutoff and safe venting<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-kpi-item\">\r\n          <strong>RFQ Output<\/strong>\r\n          <span>Datasheet, sizing basis, oxygen-clean record, MTC, calibration and seat test reports<\/span>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section zobai-oxygen-section-soft\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Oxygen Applications<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Where Oxygen Safety Valves Are Used<\/h2>\r\n    <p class=\"zobai-oxygen-lead\">\r\n      Oxygen relief service is not ordinary air or inert gas service. Oxygen supports combustion strongly, and contamination, unsuitable materials, excessive velocity, adiabatic compression, particle impact or poor cleaning can create ignition risk. Valve selection should combine pressure relief sizing with oxygen compatibility and cleanliness control.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-oxygen-grid\">\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Industrial Oxygen Pipelines and Headers<\/h3>\r\n        <p>\r\n          Used on steel plant oxygen headers, chemical plant O2 distribution, gas yard manifolds, pressure reducing stations and high-flow oxygen supply networks. Selection should review pipeline pressure, regulator failed-open flow, velocity control, cleanliness, vent location and downstream pressure boundary.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>LOX Storage Tanks and Cryogenic Oxygen Systems<\/h3>\r\n        <p>\r\n          Used on liquid oxygen storage tanks, cold boxes, vacuum-insulated lines, cryogenic pumps, vaporizers and LOX transfer systems. Relief review should include blocked-in liquid expansion, boil-off, fire exposure, low-temperature materials and cold oxygen discharge.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Oxygen Compressors and Booster Skids<\/h3>\r\n        <p>\r\n          Used on oxygen compressors, booster packages, cylinder filling compressors, discharge receivers and interstage vessels. Selection should review compressor map, blocked discharge, discharge temperature, vibration, pulsation, oxygen-clean construction and safe venting.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>PSA \/ VPSA Oxygen Generator Systems<\/h3>\r\n        <p>\r\n          Used on oxygen generator outlets, product receivers, buffer vessels, molecular sieve packages and downstream oxygen skids. Relief cases include blocked outlet, pressure control failure, receiver overpressure and downstream regulator failure.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Medical Oxygen and Healthcare Gas Systems<\/h3>\r\n        <p>\r\n          Used on medical oxygen manifolds, bulk oxygen supply systems, vaporizers, line regulators and hospital oxygen distribution. Requirements may include strict cleanliness, pressure control, traceability, seat tightness, labeling and project-specific verification documents.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Oxygen Process and Combustion Systems<\/h3>\r\n        <p>\r\n          Used on oxy-fuel burners, cutting systems, oxidation reactors, gasification units, wastewater oxygenation, ozone generation support systems and test stands. Selection should review oxidizing service, high purity, pressure cycling, contamination control and ignition source separation.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Relief Case Analysis<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Oxygen Safety Valve Selection Starts With Relief Scenario, Cleanliness and Ignition Risk<\/h2>\r\n    <p class=\"zobai-oxygen-lead\">\r\n      Oxygen systems can overpressure through regulator failure, compressor blocked discharge, vaporizer outlet blockage, blocked-in liquid oxygen expansion, PSA receiver overpressure, heat input or fire exposure. The selected valve must provide certified capacity and remain compatible with oxygen service.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-oxygen-flow\">\r\n      <div class=\"zobai-oxygen-flow-item\">\r\n        <div class=\"zobai-oxygen-flow-num\">01<\/div>\r\n        <div>\r\n          <h3>Pressure Regulator Failed Open<\/h3>\r\n          <p>\r\n            A failed-open oxygen regulator can expose lower-rated downstream piping, receivers or process equipment to higher upstream pressure. The downstream safety valve should be sized from failed-open flow and downstream design pressure.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-flow-item\">\r\n        <div class=\"zobai-oxygen-flow-num\">02<\/div>\r\n        <div>\r\n          <h3>Oxygen Compressor Blocked Discharge<\/h3>\r\n          <p>\r\n            Oxygen compressors can overpressure discharge piping and receivers if a downstream valve closes or control logic fails. Sizing should review compressor maximum flow, discharge temperature, oxygen purity, pulsation, vibration and outlet vent pressure.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-flow-item\">\r\n        <div class=\"zobai-oxygen-flow-num\">03<\/div>\r\n        <div>\r\n          <h3>Blocked-In LOX Thermal Expansion<\/h3>\r\n          <p>\r\n            Liquid oxygen trapped between closed valves can create rapid pressure rise as heat leaks into the line. Thermal relief should be reviewed on LOX transfer lines, cryogenic pump lines, vaporizer inlets and isolated liquid sections.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-flow-item\">\r\n        <div class=\"zobai-oxygen-flow-num\">04<\/div>\r\n        <div>\r\n          <h3>Vaporizer Outlet Blockage<\/h3>\r\n          <p>\r\n            Oxygen vaporizers can continue generating gaseous oxygen while downstream flow is restricted. Relief review should include LOX feed rate, vaporizer duty, outlet pressure, gas temperature, back pressure and safe vent dispersion.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-flow-item\">\r\n        <div class=\"zobai-oxygen-flow-num\">05<\/div>\r\n        <div>\r\n          <h3>PSA \/ VPSA Product Receiver Overpressure<\/h3>\r\n          <p>\r\n            Oxygen generator receivers and buffer vessels can overpressure if outlet valves close, controls fail or downstream regulators restrict flow. The relief valve should protect the receiver and downstream skid pressure boundary.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-flow-item\">\r\n        <div class=\"zobai-oxygen-flow-num\">06<\/div>\r\n        <div>\r\n          <h3>Contamination, Particle Impact and Adiabatic Compression<\/h3>\r\n          <p>\r\n            Oxygen service can ignite contaminants, unsuitable soft goods or particles under fast pressurization. Valve specification should include oxygen-compatible materials, oxygen-clean preparation, packaging and installation cleanliness control.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section zobai-oxygen-section-soft\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Application Case Data<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Oxygen Safety Valve Application Cases with Typical RFQ Data<\/h2>\r\n    <p class=\"zobai-oxygen-lead\">\r\n      These cases show how oxygen safety valve requirements are commonly described before model selection. Final sizing must be confirmed by oxygen phase, purity, protected equipment datasheet, relief scenario, cleanliness requirement, discharge system review and project standard.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-oxygen-grid\">\r\n      <div class=\"zobai-oxygen-case zobai-oxygen-span-6\">\r\n        <div class=\"zobai-oxygen-case-top\">\r\n          <h3>Case 1: Downstream Oxygen PRV Station Safety Valve<\/h3>\r\n          <span class=\"zobai-oxygen-case-tag\">Regulator Failure<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-case-data\">\r\n          <div><b>Protected equipment:<\/b> Downstream oxygen header or process skid<\/div>\r\n          <div><b>Medium:<\/b> Gaseous oxygen, industrial grade or high purity<\/div>\r\n          <div><b>Upstream pressure:<\/b> High-pressure oxygen manifold or pipeline<\/div>\r\n          <div><b>Set pressure:<\/b> Below downstream design pressure<\/div>\r\n          <div><b>Relief cause:<\/b> Regulator failed open or bypass leakage<\/div>\r\n          <div><b>Required data:<\/b> Upstream pressure, regulator Cv, oxygen purity and downstream MAWP<\/div>\r\n          <div><b>Discharge:<\/b> Safe outdoor oxygen vent or approved relief header<\/div>\r\n          <div><b>Key review:<\/b> Failed-open flow, oxygen cleaning, velocity, ignition sources and vent location<\/div>\r\n        <\/div>\r\n        <p>\r\n          Oxygen PRV station relief should be sized from the failed-open condition. Downstream equipment should not be protected based on normal oxygen demand only.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-case zobai-oxygen-span-6\">\r\n        <div class=\"zobai-oxygen-case-top\">\r\n          <h3>Case 2: LOX Storage Tank and Vaporizer Relief System<\/h3>\r\n          <span class=\"zobai-oxygen-case-tag\">Cryogenic Oxygen<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-case-data\">\r\n          <div><b>Protected equipment:<\/b> LOX tank, vaporizer inlet or cryogenic oxygen line<\/div>\r\n          <div><b>Medium:<\/b> Liquid oxygen, cold oxygen vapor and flashing oxygen<\/div>\r\n          <div><b>Service temperature:<\/b> Cryogenic oxygen temperature<\/div>\r\n          <div><b>Set pressure:<\/b> Tank or piping protection value<\/div>\r\n          <div><b>Relief cause:<\/b> Boil-off, blocked-in liquid expansion or vaporizer upset<\/div>\r\n          <div><b>Required data:<\/b> Tank volume, heat leak, trapped volume, vaporizer duty and discharge route<\/div>\r\n          <div><b>Valve review:<\/b> Cryogenic oxygen safety valve or thermal relief valve<\/div>\r\n          <div><b>Key review:<\/b> Low-temperature material, oxygen compatibility, flashing, icing and safe venting<\/div>\r\n        <\/div>\r\n        <p>\r\n          LOX service requires both cryogenic material review and oxygen compatibility review. Oxygen-clean handling and protected packaging should be defined before shipment.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-case zobai-oxygen-span-6\">\r\n        <div class=\"zobai-oxygen-case-top\">\r\n          <h3>Case 3: Oxygen Compressor Discharge Safety Valve<\/h3>\r\n          <span class=\"zobai-oxygen-case-tag\">Compressor Protection<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-case-data\">\r\n          <div><b>Protected equipment:<\/b> Oxygen compressor discharge line and receiver<\/div>\r\n          <div><b>Medium:<\/b> Compressed gaseous oxygen<\/div>\r\n          <div><b>Set pressure:<\/b> Compressor package or receiver protection value<\/div>\r\n          <div><b>Relief cause:<\/b> Blocked discharge, control failure or downstream valve closure<\/div>\r\n          <div><b>Required data:<\/b> Compressor map, maximum flow, discharge pressure and discharge temperature<\/div>\r\n          <div><b>Discharge:<\/b> Safe oxygen vent stack or approved oxygen relief header<\/div>\r\n          <div><b>Valve review:<\/b> Oxygen-clean gas PSV with compatible trim and seat<\/div>\r\n          <div><b>Key review:<\/b> Vibration, pulsation, adiabatic compression, oxygen-clean assembly and outlet velocity<\/div>\r\n        <\/div>\r\n        <p>\r\n          Oxygen compressor relief valves should be selected with compressor data and oxygen service cleanliness requirements. Oil, grease and incompatible soft materials must be excluded from wetted parts.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-case zobai-oxygen-span-6\">\r\n        <div class=\"zobai-oxygen-case-top\">\r\n          <h3>Case 4: PSA Oxygen Generator Receiver Safety Valve<\/h3>\r\n          <span class=\"zobai-oxygen-case-tag\">Oxygen Generator<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-case-data\">\r\n          <div><b>Protected equipment:<\/b> PSA \/ VPSA oxygen product receiver or buffer vessel<\/div>\r\n          <div><b>Medium:<\/b> Oxygen-enriched gas or product oxygen<\/div>\r\n          <div><b>Set pressure:<\/b> Receiver MAWP-based value<\/div>\r\n          <div><b>Relief cause:<\/b> Outlet blockage, pressure control failure or downstream regulator failure<\/div>\r\n          <div><b>Required data:<\/b> Oxygen concentration, generator flow, receiver volume and operating pressure<\/div>\r\n          <div><b>Discharge:<\/b> Safe outdoor vent or oxygen relief header<\/div>\r\n          <div><b>Valve review:<\/b> Oxygen-clean safety valve for oxygen-enriched gas<\/div>\r\n          <div><b>Key review:<\/b> Oxygen purity, particulate cleanliness, seat tightness, vent location and documentation<\/div>\r\n        <\/div>\r\n        <p>\r\n          PSA and VPSA systems may produce oxygen-enriched gas rather than pure oxygen, but oxygen-compatible cleaning and material review may still be required by the project.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-case zobai-oxygen-span-6\">\r\n        <div class=\"zobai-oxygen-case-top\">\r\n          <h3>Case 5: Medical Oxygen Manifold Safety Valve<\/h3>\r\n          <span class=\"zobai-oxygen-case-tag\">Medical Gas<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-case-data\">\r\n          <div><b>Protected equipment:<\/b> Medical oxygen manifold, bulk oxygen supply or line regulator station<\/div>\r\n          <div><b>Medium:<\/b> Medical oxygen<\/div>\r\n          <div><b>Set pressure:<\/b> Project medical gas system protection value<\/div>\r\n          <div><b>Relief cause:<\/b> Regulator failure, vaporizer overpressure or downstream blockage<\/div>\r\n          <div><b>Required data:<\/b> Supply pressure, downstream pressure limit, flow demand and verification requirements<\/div>\r\n          <div><b>Discharge:<\/b> Approved safe oxygen vent location<\/div>\r\n          <div><b>Valve review:<\/b> Oxygen-clean valve with traceable material and cleanliness documents<\/div>\r\n          <div><b>Key review:<\/b> Cleanliness, labeling, seat tightness, pressure setting, verification and maintenance access<\/div>\r\n        <\/div>\r\n        <p>\r\n          Medical oxygen service normally requires stronger documentation control than general industrial gas service. Cleaning, packaging and traceability should be aligned with the project specification.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-case zobai-oxygen-span-6\">\r\n        <div class=\"zobai-oxygen-case-top\">\r\n          <h3>Case 6: Oxygen Process Reactor or Oxidation Skid PSV<\/h3>\r\n          <span class=\"zobai-oxygen-case-tag\">Process Oxygen<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-oxygen-case-data\">\r\n          <div><b>Protected equipment:<\/b> Oxidation reactor, oxygen dosing skid or process O2 vessel<\/div>\r\n          <div><b>Medium:<\/b> Oxygen, oxygen-enriched gas, solvent vapor or process mixture<\/div>\r\n          <div><b>Set pressure:<\/b> Reactor or vessel MAWP-based value<\/div>\r\n          <div><b>Relief cause:<\/b> Blocked outlet, reaction upset, control failure or fire exposure<\/div>\r\n          <div><b>Required data:<\/b> O2 concentration, process fluid, temperature, pressure and reaction relief basis<\/div>\r\n          <div><b>Discharge:<\/b> Flare, scrubber, safe vent or approved process relief system<\/div>\r\n          <div><b>Valve review:<\/b> Process PSV with oxygen-compatible wetted parts and project documentation<\/div>\r\n          <div><b>Key review:<\/b> Combustible mixture risk, two-phase flow, compatibility, back pressure and safe disposal<\/div>\r\n        <\/div>\r\n        <p>\r\n          Process oxygen relief can involve oxidizing gas mixed with combustible vapors. Valve selection should be integrated with the process relief study and material compatibility review.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Service Data Matrix<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Oxygen Safety Valve Data Matrix<\/h2>\r\n\r\n    <div class=\"zobai-oxygen-table-wrap\">\r\n      <table class=\"zobai-oxygen-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Oxygen Service<\/th>\r\n            <th>Typical Medium<\/th>\r\n            <th>Common Relief Cause<\/th>\r\n            <th>Required Engineering Check<\/th>\r\n            <th>Recommended Valve Review<\/th>\r\n            <th>Risk if Missed<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Oxygen PRV station<\/td>\r\n            <td>Industrial oxygen, high purity O2, oxygen-enriched gas<\/td>\r\n            <td>Regulator failed open, bypass leakage, downstream blockage<\/td>\r\n            <td>Failed-open flow, downstream design pressure, velocity, oxygen cleaning and vent location<\/td>\r\n            <td>Oxygen-clean gas safety valve with compatible seat and trim<\/td>\r\n            <td>Downstream overpressure, ignition risk or unsafe oxygen release<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>LOX storage and vaporizer<\/td>\r\n            <td>Liquid oxygen, cold oxygen vapor, flashing oxygen<\/td>\r\n            <td>Boil-off, blocked-in liquid, vaporizer outlet blockage, heat leak<\/td>\r\n            <td>Cryogenic material, heat leak, trapped volume, flashing, icing and safe cold venting<\/td>\r\n            <td>Cryogenic oxygen safety valve or oxygen thermal relief valve<\/td>\r\n            <td>Rapid overpressure, brittle failure, oxygen-enriched atmosphere or cold burn hazard<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Oxygen compressor discharge<\/td>\r\n            <td>Compressed gaseous oxygen<\/td>\r\n            <td>Blocked discharge, control failure, downstream valve closure<\/td>\r\n            <td>Compressor map, discharge temperature, pulsation, vibration and oxygen-clean assembly<\/td>\r\n            <td>Oxygen-clean PSV with qualified materials and seat tightness review<\/td>\r\n            <td>Compressor package overpressure, ignition, leakage or chatter<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>PSA \/ VPSA oxygen receiver<\/td>\r\n            <td>Oxygen-enriched gas or product oxygen<\/td>\r\n            <td>Outlet blockage, pressure control failure, receiver overpressure<\/td>\r\n            <td>Oxygen concentration, receiver MAWP, generator flow and particulate cleanliness<\/td>\r\n            <td>Oxygen-clean safety valve for oxygen-enriched service<\/td>\r\n            <td>Receiver overpressure, contamination or project document rejection<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Medical oxygen system<\/td>\r\n            <td>Medical oxygen<\/td>\r\n            <td>Regulator failure, vaporizer overpressure, downstream blockage<\/td>\r\n            <td>Cleanliness, traceability, labeling, set pressure verification and approved venting<\/td>\r\n            <td>Oxygen-clean valve with medical gas documentation where specified<\/td>\r\n            <td>Non-compliance, contamination, leakage or unsafe venting near occupied areas<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Process oxygen \/ oxidation unit<\/td>\r\n            <td>Oxygen, oxygen-enriched gas, process vapor mixture<\/td>\r\n            <td>Blocked outlet, reaction upset, control failure, fire case<\/td>\r\n            <td>O2 concentration, combustible mixture, phase behavior, back pressure and compatibility<\/td>\r\n            <td>Process PSV with oxygen-compatible materials and complete documentation<\/td>\r\n            <td>Wrong phase sizing, ignition risk or unsafe process discharge<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section zobai-oxygen-section-soft\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Selection Framework<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">How to Specify an Oxygen Safety Valve Correctly<\/h2>\r\n\r\n    <div class=\"zobai-oxygen-grid\">\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-6\">\r\n        <h3>1. Confirm oxygen concentration, phase and purity<\/h3>\r\n        <p>\r\n          Specify gaseous oxygen, liquid oxygen, oxygen-enriched gas, medical oxygen, industrial oxygen, high-purity oxygen or process oxygen mixture. Oxygen concentration and phase control the cleanliness, material, sizing and discharge requirements.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-6\">\r\n        <h3>2. Define protected equipment MAWP and set pressure<\/h3>\r\n        <p>\r\n          Start with pipeline design pressure, receiver MAWP, vaporizer rating, compressor package pressure, medical gas manifold rating or downstream process skid limit. The valve should protect the lowest-rated credible pressure boundary.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-6\">\r\n        <h3>3. Size from the governing relief scenario<\/h3>\r\n        <p>\r\n          Review regulator failed open, compressor blocked discharge, vaporizer outlet blockage, PSA receiver overpressure, blocked-in LOX expansion, fire exposure and process reaction relief. The highest credible case controls valve capacity.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-6\">\r\n        <h3>4. Specify oxygen-compatible materials<\/h3>\r\n        <p>\r\n          Body, bonnet, nozzle, disc, stem, spring, gasket, seat and soft goods should be suitable for oxygen concentration, pressure, temperature and flow condition. Nonmetallic parts require special review in oxygen service.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-6\">\r\n        <h3>5. Define oxygen cleaning, packaging and labeling<\/h3>\r\n        <p>\r\n          Oxygen-clean valves should be cleaned, dried, inspected, capped, bagged and labeled according to the project cleanliness requirement. Field handling should preserve cleanliness until installation.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-6\">\r\n        <h3>6. Review discharge route, velocity and ignition control<\/h3>\r\n        <p>\r\n          Oxygen relief discharge should be routed to a safe, well-ventilated location away from combustible materials, oil, grease, personnel exposure and ignition sources. Back pressure, noise and oxygen-enriched atmosphere risk should be reviewed.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Installation & Discharge<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Oxygen Relief Valves Must Be Reviewed With Cleanliness, Materials, Venting, Velocity and Ignition Risk<\/h2>\r\n\r\n    <div class=\"zobai-oxygen-grid\">\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-7\">\r\n        <h3>Why oxygen relief valve installation controls real safety<\/h3>\r\n        <p>\r\n          Oxygen safety valve performance depends on the full installation. A correctly sized valve can still create risk if the inlet is contaminated, the outlet vents toward combustible materials, the valve is installed with oil or grease contamination, the discharge line creates excessive back pressure, or field handling destroys oxygen-clean preparation.\r\n        <\/p>\r\n        <p>\r\n          Installation should review inlet pressure loss, valve orientation, oxygen-clean caps and bags, cleanliness preservation, degreased tools, compatible sealants, outlet support, vent stack direction, oxygen-enriched atmosphere risk, combustible material separation, back pressure, pressure rise rate, particle control, low-temperature conditions, maintenance access and safe valve replacement procedures.\r\n        <\/p>\r\n        <div class=\"zobai-oxygen-chip-row\">\r\n          <span class=\"zobai-oxygen-chip\">Oxygen Clean<\/span>\r\n          <span class=\"zobai-oxygen-chip\">Gaseous Oxygen<\/span>\r\n          <span class=\"zobai-oxygen-chip\">Liquid Oxygen<\/span>\r\n          <span class=\"zobai-oxygen-chip\">LOX Thermal Relief<\/span>\r\n          <span class=\"zobai-oxygen-chip\">Medical Oxygen<\/span>\r\n          <span class=\"zobai-oxygen-chip\">Safe Venting<\/span>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-5\">\r\n        <h3>Field installation checks<\/h3>\r\n        <ul class=\"zobai-oxygen-list\">\r\n          <li>Confirm set pressure, MAWP and oxygen concentration before installation.<\/li>\r\n          <li>Keep oxygen-clean valves capped, sealed and protected until installation.<\/li>\r\n          <li>Use oxygen-compatible gaskets, sealants and installation procedures.<\/li>\r\n          <li>Keep oil, grease, dust, metal chips and incompatible lubricants away from wetted parts.<\/li>\r\n          <li>Route oxygen discharge to a safe, well-ventilated outdoor location.<\/li>\r\n          <li>Check outlet back pressure from vent stack, relief header or connected discharge system.<\/li>\r\n          <li>Provide safe access for calibration, inspection, seat testing and valve replacement.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section zobai-oxygen-section-soft\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Standards & Documentation<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Standards and Documents to Confirm Before Ordering<\/h2>\r\n\r\n    <div class=\"zobai-oxygen-grid\">\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-6\">\r\n        <h3>Common oxygen relief references<\/h3>\r\n        <p>\r\n          Oxygen safety valve specifications may reference ASTM, CGA, NFPA, ASME, API, ISO, EN, GB, medical gas rules, owner oxygen-cleaning standards and project relief philosophy. The applicable design basis should be confirmed before quotation.\r\n        <\/p>\r\n        <ul class=\"zobai-oxygen-list\">\r\n          <li><a href=\"\/standards\/astm-g88\/\">ASTM G88<\/a> for oxygen system design guidance where specified by the project.<\/li>\r\n          <li><a href=\"\/standards\/astm-g93\/\">ASTM G93 \/ G93M<\/a> for cleanliness levels and cleaning methods for oxygen-enriched equipment where specified.<\/li>\r\n          <li><a href=\"\/standards\/cga-g-4-4\/\">CGA G-4.4<\/a> for oxygen pipeline and piping system requirements where specified.<\/li>\r\n          <li><a href=\"\/standards\/nfpa-55\/\">NFPA 55<\/a> where compressed gas or cryogenic fluid storage, use or handling requirements are part of the project.<\/li>\r\n          <li><a href=\"\/standards\/nfpa-99\/\">NFPA 99<\/a> where medical oxygen or healthcare facility gas systems are part of the project scope.<\/li>\r\n          <li><a href=\"\/standards\/api-520\/\">API 520<\/a> for pressure-relieving device sizing and selection reference where required.<\/li>\r\n          <li><a href=\"\/standards\/api-521\/\">API 521<\/a> for system-level pressure relief, depressuring and discharge review where required.<\/li>\r\n          <li><a href=\"\/standards\/asme-section-viii\/\">ASME BPVC Section VIII<\/a> where oxygen receivers, storage vessels, vaporizers or process vessels are pressure vessels.<\/li>\r\n          <li><a href=\"\/standards\/asme-b31-3\/\">ASME B31.3<\/a> where process oxygen piping or skid piping is specified.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-6\">\r\n        <h3>Typical oxygen valve document package<\/h3>\r\n        <p>\r\n          Documentation should be agreed before manufacturing, especially for LOX systems, medical oxygen, oxygen compressor skids, PSA plants, steel plant oxygen headers, high-purity oxygen and EPC export projects.\r\n        <\/p>\r\n        <ul class=\"zobai-oxygen-list\">\r\n          <li>Technical datasheet with tag number, model, size, orifice, set pressure and connection.<\/li>\r\n          <li>Sizing calculation or certified relieving capacity confirmation.<\/li>\r\n          <li>Oxygen concentration, phase, purity, operating temperature and relieving temperature basis.<\/li>\r\n          <li>Oxygen cleaning certificate, cleanliness statement or cleaning procedure record where specified.<\/li>\r\n          <li>Protected packaging, capping, bagging and oxygen-clean labeling records where required.<\/li>\r\n          <li>Material certificate for body, bonnet, nozzle, disc, trim, spring and pressure-retaining parts.<\/li>\r\n          <li>Set pressure calibration certificate, pressure test report and seat tightness test report.<\/li>\r\n          <li>General arrangement drawing with dimensions, weight, outlet orientation and maintenance clearance.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section\">\r\n    <div class=\"zobai-oxygen-eyebrow\">RFQ Checklist<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Oxygen Safety Valve RFQ Data Checklist<\/h2>\r\n\r\n    <div class=\"zobai-oxygen-table-wrap\">\r\n      <table class=\"zobai-oxygen-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Required Data<\/th>\r\n            <th>Why It Matters<\/th>\r\n            <th>Example Input<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Protected equipment<\/td>\r\n            <td>Defines pressure boundary, code basis and set pressure limit.<\/td>\r\n            <td>O2 pipeline, LOX tank, vaporizer, compressor receiver, PSA receiver, medical oxygen manifold<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>MAWP \/ design pressure<\/td>\r\n            <td>Defines the maximum pressure the valve must protect.<\/td>\r\n            <td>6 barg, 16 barg, 40 barg, 100 barg, Class 300, vessel MAWP, medical gas system limit<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Set pressure<\/td>\r\n            <td>Defines valve opening pressure and capacity basis.<\/td>\r\n            <td>Receiver protection value, regulator downstream protection value, LOX thermal relief set pressure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Oxygen concentration and purity<\/td>\r\n            <td>Affects cleaning, compatibility, ignition risk and material review.<\/td>\r\n            <td>93% PSA oxygen, industrial oxygen, medical oxygen, 99.5% oxygen, oxygen-enriched gas<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Oxygen phase<\/td>\r\n            <td>Affects sizing, material, temperature and discharge design.<\/td>\r\n            <td>Gaseous oxygen, liquid oxygen, cold oxygen vapor, oxygen-enriched process gas, flashing LOX<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Relief scenario<\/td>\r\n            <td>Determines required capacity and valve configuration.<\/td>\r\n            <td>Regulator failed open, compressor blocked discharge, vaporizer outlet blockage, blocked-in LOX, PSA receiver overpressure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required capacity<\/td>\r\n            <td>Confirms whether the valve can protect the oxygen system.<\/td>\r\n            <td>kg\/h, Nm\u00b3\/h, SCFM, compressor map, regulator failed-open flow, vaporizer flow, thermal expansion basis<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Operating and relieving temperature<\/td>\r\n            <td>Controls material, seat, gasket and cryogenic review.<\/td>\r\n            <td>Ambient oxygen, compressor discharge temperature, cold gaseous oxygen, liquid oxygen temperature<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Back pressure and discharge route<\/td>\r\n            <td>Influences capacity, stability, oxygen-enriched atmosphere risk and valve configuration.<\/td>\r\n            <td>Atmospheric vent, oxygen vent stack, relief header, safe outdoor discharge, treatment system<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Cleaning and packaging requirement<\/td>\r\n            <td>Prevents contamination and installation rejection.<\/td>\r\n            <td>Oxygen cleaned, degreased, capped, double bagged, cleaned for oxygen service, project cleanliness level<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Material and seat requirement<\/td>\r\n            <td>Prevents ignition, leakage and compatibility problems.<\/td>\r\n            <td>Stainless trim, PTFE \/ PCTFE seat where suitable, metal seat, oxygen-compatible gasket, cryogenic material<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required documents<\/td>\r\n            <td>Avoids procurement, inspection and commissioning delays.<\/td>\r\n            <td>Datasheet, drawing, MTC, sizing report, oxygen cleaning certificate, calibration report, pressure test, seat test<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n\r\n    <p class=\"zobai-oxygen-note\">\r\n      Final selection must be confirmed by oxygen concentration, phase, protected equipment datasheet, set pressure, relief scenario, required capacity, applicable standard, oxygen cleaning requirement, back pressure calculation, certified valve capacity and engineering review.\r\n    <\/p>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section zobai-oxygen-section-soft\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Selection Errors<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Common Oxygen Safety Valve Selection Mistakes<\/h2>\r\n\r\n    <div class=\"zobai-oxygen-grid\">\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Treating oxygen as ordinary compressed air<\/h3>\r\n        <p>\r\n          Oxygen service has higher ignition sensitivity. Valve materials, cleaning, packaging, handling, seat design and discharge routing should be reviewed for oxygen compatibility.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Missing oxygen-clean requirements<\/h3>\r\n        <p>\r\n          A valve can be correctly sized but unsuitable if it is not cleaned, dried, capped, bagged and protected for oxygen service according to project requirements.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Using incompatible soft goods<\/h3>\r\n        <p>\r\n          Seat, gasket and elastomer materials must be checked for oxygen concentration, pressure and temperature. Standard soft materials may not be acceptable.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Ignoring fast pressurization risk<\/h3>\r\n        <p>\r\n          Fast pressurization can create adiabatic heating. Oxygen systems should review pressure rise rate, regulator behavior, valve opening dynamics and clean installation practice.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Discharging oxygen near combustible materials<\/h3>\r\n        <p>\r\n          Oxygen discharge can create an oxygen-enriched atmosphere. Vent outlets should be located away from oil, grease, combustible materials, enclosed areas and personnel work zones.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-card zobai-oxygen-span-4\">\r\n        <h3>Forgetting cryogenic LOX conditions<\/h3>\r\n        <p>\r\n          LOX systems need low-temperature material review, thermal relief for blocked-in liquid, cold discharge routing, insulation clearance and cryogenic cleaning preservation.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section\">\r\n    <div class=\"zobai-oxygen-eyebrow\">Related Engineering Resources<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Continue Your Oxygen Safety Valve Selection Review<\/h2>\r\n    <p class=\"zobai-oxygen-lead\">\r\n      These related pages help move from oxygen relief requirements to detailed valve selection, sizing, cryogenic review, high-pressure gas service, material compatibility and complete RFQ preparation.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-oxygen-link-grid\">\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/engineering\/safety-valve-selection-guide\/\">\r\n        <strong>Safety Valve Selection Guide<\/strong>\r\n        <span>Step-by-step guidance for selecting safety valves by medium, pressure, capacity, material and installation condition.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/engineering\/safety-valve-sizing\/\">\r\n        <strong>Safety Valve Sizing<\/strong>\r\n        <span>Review oxygen gas capacity, LOX thermal relief, set pressure, back pressure and sizing inputs before RFQ.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/products\/cryogenic-safety-valves\/\">\r\n        <strong>Cryogenic Safety Valves<\/strong>\r\n        <span>For liquid oxygen, cold oxygen vapor, LOX transfer lines, vaporizers and low-temperature equipment.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/products\/spring-loaded-safety-valves\/\">\r\n        <strong>Spring Loaded Safety Valves<\/strong>\r\n        <span>For oxygen receivers, PSA systems, pressure reducing stations and standard O2 pressure relief service.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/applications\/thermal-relief\/\">\r\n        <strong>Thermal Relief Valves<\/strong>\r\n        <span>For blocked-in liquid oxygen, cryogenic transfer lines, isolated liquid sections and heat leak pressure rise.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/applications\/high-pressure\/\">\r\n        <strong>High Pressure Safety Valves<\/strong>\r\n        <span>For oxygen compressors, cylinder filling, high-pressure O2 manifolds and booster packages.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/applications\/low-temperature\/\">\r\n        <strong>Low Temperature Safety Valves<\/strong>\r\n        <span>For liquid oxygen, cryogenic gas, low-temperature materials, extended bonnet and cold venting review.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/equipment\/compressors\/\">\r\n        <strong>Compressor Safety Valves<\/strong>\r\n        <span>For oxygen compressor blocked discharge, vibration, pulsation, discharge temperature and clean gas relief.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-oxygen-link-card\" href=\"\/equipment\/skid-systems\/\">\r\n        <strong>Skid System Safety Valves<\/strong>\r\n        <span>For PSA oxygen skids, medical oxygen manifolds, vaporizer skids and modular oxygen packages.<\/span>\r\n      <\/a>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section zobai-oxygen-section-soft\">\r\n    <div class=\"zobai-oxygen-eyebrow\">FAQ<\/div>\r\n    <h2 class=\"zobai-oxygen-title\">Oxygen Safety Valve FAQ<\/h2>\r\n\r\n    <div class=\"zobai-oxygen-accordion\" data-zobai-oxygen-accordion>\r\n      <div class=\"zobai-oxygen-acc-item is-open\">\r\n        <button class=\"zobai-oxygen-acc-btn\" type=\"button\">What is the most important requirement for oxygen safety valves? <span>+<\/span><\/button>\r\n        <div class=\"zobai-oxygen-acc-body\">\r\n          The valve must be correctly sized and suitable for oxygen service. This includes oxygen-compatible materials, oxygen-clean preparation, controlled packaging, correct set pressure, verified capacity, suitable seat design and safe vent routing.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-acc-item\">\r\n        <button class=\"zobai-oxygen-acc-btn\" type=\"button\">Can a standard air safety valve be used for oxygen? <span>+<\/span><\/button>\r\n        <div class=\"zobai-oxygen-acc-body\">\r\n          Not automatically. Oxygen service requires review of oxygen concentration, pressure, temperature, material compatibility, ignition risk, cleaning, packaging, leakage requirement and discharge location.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-acc-item\">\r\n        <button class=\"zobai-oxygen-acc-btn\" type=\"button\">When is a thermal relief valve needed for liquid oxygen? <span>+<\/span><\/button>\r\n        <div class=\"zobai-oxygen-acc-body\">\r\n          Thermal relief should be reviewed whenever liquid oxygen can be trapped between closed valves and warmed by ambient heat, heat leak, vaporizer operation or shutdown conditions. LOX transfer lines and vaporizer inlet sections are common examples.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-acc-item\">\r\n        <button class=\"zobai-oxygen-acc-btn\" type=\"button\">What data is required for an oxygen safety valve quotation? <span>+<\/span><\/button>\r\n        <div class=\"zobai-oxygen-acc-body\">\r\n          Provide protected equipment, MAWP or design pressure, set pressure, oxygen concentration, phase, relief scenario, required capacity, operating temperature, relieving temperature, back pressure, discharge route, material requirement, oxygen cleaning requirement and required documents.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-acc-item\">\r\n        <button class=\"zobai-oxygen-acc-btn\" type=\"button\">Where should oxygen safety valve discharge be routed? <span>+<\/span><\/button>\r\n        <div class=\"zobai-oxygen-acc-body\">\r\n          Oxygen discharge should be routed to an approved safe, well-ventilated location. The outlet should avoid combustible materials, oil and grease sources, enclosed spaces, personnel areas, air intakes and equipment that may be affected by oxygen enrichment.\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-oxygen-section\">\r\n    <div class=\"zobai-oxygen-rfq\">\r\n      <div>\r\n        <div class=\"zobai-oxygen-eyebrow\">Engineering RFQ Support<\/div>\r\n        <h2>Prepare a Complete Oxygen Safety Valve Datasheet Before Quotation<\/h2>\r\n        <p>\r\n          Send the protected equipment datasheet, MAWP or design pressure, set pressure, oxygen concentration, oxygen phase, purity, relief scenario, required capacity, operating pressure, operating temperature, relieving temperature, compressor data or regulator failed-open data where applicable, back pressure, discharge route, material requirement, seat requirement, oxygen cleaning requirement, packaging requirement, connection standard and required documents. A complete datasheet helps confirm correct O2 sizing, oxygen compatibility, clean construction and safe oxidizing gas discharge.\r\n        <\/p>\r\n        <div class=\"zobai-oxygen-btn-row\">\r\n          <a class=\"zobai-oxygen-btn zobai-oxygen-btn-primary\" href=\"\/contact\/\">Request Engineering Quote<\/a>\r\n          <a class=\"zobai-oxygen-btn zobai-oxygen-btn-secondary\" href=\"\/ask-an-engineer\/\">Ask an Engineer<\/a>\r\n          <a class=\"zobai-oxygen-btn zobai-oxygen-btn-secondary\" href=\"\/catalog-pdf\/\">Download Catalog PDF<\/a>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-oxygen-rfq-box\">\r\n        <h3>Minimum RFQ data<\/h3>\r\n        <div class=\"zobai-oxygen-rfq-grid\">\r\n          <div class=\"zobai-oxygen-rfq-item\">Protected Equipment<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">MAWP \/ Design Pressure<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Set Pressure<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Oxygen Concentration<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Relief Scenario<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Required Capacity<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Phase \/ Purity<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Temperature<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Back Pressure<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Discharge Route<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Oxygen Clean<\/div>\r\n          <div class=\"zobai-oxygen-rfq-item\">Documents<\/div>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n<\/div>\r\n\r\n<script>\r\n  (function () {\r\n    var accordions = document.querySelectorAll('[data-zobai-oxygen-accordion]');\r\n    accordions.forEach(function (accordion) {\r\n      var items = accordion.querySelectorAll('.zobai-oxygen-acc-item');\r\n\r\n      items.forEach(function (item) {\r\n        var button = item.querySelector('.zobai-oxygen-acc-btn');\r\n        button.addEventListener('click', function () {\r\n          var isOpen = item.classList.contains('is-open');\r\n\r\n          items.forEach(function (i) {\r\n            i.classList.remove('is-open');\r\n          });\r\n\r\n          if (!isOpen) {\r\n            item.classList.add('is-open');\r\n          }\r\n        });\r\n      });\r\n    });\r\n  })();\r\n<\/script>\r\n\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is the most important requirement for oxygen safety valves?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"The valve must be correctly sized and suitable for oxygen service. This includes oxygen-compatible materials, oxygen-clean preparation, controlled packaging, correct set pressure, verified capacity, suitable seat design and safe vent routing.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Can a standard air safety valve be used for oxygen?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Not automatically. Oxygen service requires review of oxygen concentration, pressure, temperature, material compatibility, ignition risk, cleaning, packaging, leakage requirement and discharge location.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"When is a thermal relief valve needed for liquid oxygen?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Thermal relief should be reviewed whenever liquid oxygen can be trapped between closed valves and warmed by ambient heat, heat leak, vaporizer operation or shutdown conditions. LOX transfer lines and vaporizer inlet sections are common examples.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What data is required for an oxygen safety valve quotation?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Provide protected equipment, MAWP or design pressure, set pressure, oxygen concentration, phase, relief scenario, required capacity, operating temperature, relieving temperature, back pressure, discharge route, material requirement, oxygen cleaning requirement and required documents.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Where should oxygen safety valve discharge be routed?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Oxygen discharge should be routed to an approved safe, well-ventilated location. The outlet should avoid combustible materials, oil and grease sources, enclosed spaces, personnel areas, air intakes and equipment that may be affected by oxygen enrichment.\"\r\n      }\r\n    }\r\n  ]\r\n}\r\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2b2ee0dc e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"2b2ee0dc\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-3b437888 e-con-full cmsmasters-effect cmsmasters-effect-type-transform e-flex cmsmasters-effect-hover-type-element cmsmasters-block-default e-con e-child\" data-id=\"3b437888\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;position&quot;:&quot;absolute&quot;,&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-de933c0 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"de933c0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-394ca40a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"394ca40a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e2203be elementor-position-inline-start elementor-mobile-position-inline-start elementor-view-default cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-icon-box\" data-id=\"4e2203be\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;cmsmasters-fade-in-left&quot;}\" data-widget_type=\"icon-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<span  class=\"elementor-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-2\"><\/i>\t\t\t\t<\/span>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<span  >\n\t\t\t\t\t\t\tFEATURED SERIES\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51001829 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"51001829\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;cmsmasters-fade-in-up&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Featured Safety Valve Series<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20d73b3d elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"20d73b3d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;cmsmasters-fade-in-right&quot;,&quot;_animation_tablet&quot;:&quot;cmsmasters-fade-in-up&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<div class=\"elementor-heading-title elementor-size-default\">Explore selected ZOBAI safety valve series for high-pressure service, back pressure conditions, steam systems, hygienic process lines, and continuous protection applications. These featured models help buyers and engineers compare product directions across different service conditions.<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-739d455c elementor-pagination-type-bullets elementor-arrows-position-inside elementor-pagination-position-outside cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-n-carousel\" data-id=\"739d455c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;carousel_items&quot;:[{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;01fe9a5&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;945d82b&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;8ec93bd&quot;},{&quot;slide_title&quot;:&quot;Slide #1&quot;,&quot;_id&quot;:&quot;ee987c2&quot;}],&quot;slides_to_show&quot;:&quot;4&quot;,&quot;slides_to_show_tablet&quot;:&quot;2&quot;,&quot;slides_to_show_mobile&quot;:&quot;1&quot;,&quot;autoplay&quot;:&quot;yes&quot;,&quot;autoplay_speed&quot;:5000,&quot;pause_on_hover&quot;:&quot;yes&quot;,&quot;pause_on_interaction&quot;:&quot;yes&quot;,&quot;infinite&quot;:&quot;yes&quot;,&quot;speed&quot;:500,&quot;offset_sides&quot;:&quot;none&quot;,&quot;arrows&quot;:&quot;yes&quot;,&quot;pagination&quot;:&quot;bullets&quot;,&quot;image_spacing_custom&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:10,&quot;sizes&quot;:[]},&quot;image_spacing_custom_widescreen&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;image_spacing_custom_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-carousel.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-carousel swiper\" role=\"region\" aria-roledescription=\"carousel\" aria-label=\"Carousel\" dir=\"ltr\">\n\t\t\t<div class=\"swiper-wrapper\" aria-live=\"off\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"1\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"1 von 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f87a759 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"f87a759\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-4022ad2e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4022ad2e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-48bdac3f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"48bdac3f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-1b1df372 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1b1df372\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37673155 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"37673155\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"850\" height=\"850\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service.webp\" class=\"attachment-large size-large wp-image-51693\" alt=\"A46Y pilot-operated relief valve with external pilot tubing and flanged body\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service.webp 850w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-260x260.webp 260w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-354c4fab e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"354c4fab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-22112ba7 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"22112ba7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-497f89c6 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"497f89c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ZBA46 Series Pilot Operated Safety Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-39062cce e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"39062cce\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-78cf4a0d cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"78cf4a0d\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zobai.com\/ru\/applications\/oxygen\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e801ed5 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"e801ed5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Pilot operated safety valves for higher-pressure service requiring tighter sealing and stable set pressure performance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"2\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"2 von 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-39b0881b e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"39b0881b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-25ec3cbf e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"25ec3cbf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-686deadd e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"686deadd\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-16e711ca e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"16e711ca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e2baa1e cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"e2baa1e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"850\" height=\"850\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure.webp\" class=\"attachment-large size-large wp-image-51697\" alt=\"WA42Y bellows-balanced full-lift safety valve with flanged connections\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure.webp 850w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/wa42y-bellows-balanced-full-lift-safety-valve-back-pressure-260x260.webp 260w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7021f577 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7021f577\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-35d2a29d e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"35d2a29d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17ac6d61 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"17ac6d61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ZBWA42 Series Bellows Balanced Safety Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2f92bb5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2f92bb5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-25e3367 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"25e3367\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zobai.com\/ru\/applications\/oxygen\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52e03b0f cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"52e03b0f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Bellows balanced safety valves for back pressure applications where stable performance is important.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"3\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"3 von 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6ca987c6 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"6ca987c6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f569afb e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"f569afb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-5dc29033 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5dc29033\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-728373f0 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"728373f0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-550e852a cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"550e852a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"850\" height=\"850\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service.webp\" class=\"attachment-large size-large wp-image-51693\" alt=\"A46Y pilot-operated relief valve with external pilot tubing and flanged body\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service.webp 850w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/a46y-pilot-operated-relief-valve-high-pressure-service-260x260.webp 260w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6ac86297 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6ac86297\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-21fa54eb e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"21fa54eb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-612851be cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"612851be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ZBA68 Series High Temperature Steam Safety Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-61b2a7e2 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"61b2a7e2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6dc9a8fc cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"6dc9a8fc\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zobai.com\/ru\/applications\/oxygen\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35839b97 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"35839b97\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>High temperature steam safety valves for boilers, steam lines, and other elevated-temperature systems.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<div class=\"swiper-slide\" data-slide=\"4\" role=\"group\" aria-roledescription=\"slide\" aria-label=\"4 von 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7fd351ff e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"7fd351ff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-52ab0b41 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"52ab0b41\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-e6f3d8a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"e6f3d8a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-1dcaaaf7 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1dcaaaf7\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9bf8eef cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"9bf8eef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"850\" height=\"850\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system.webp\" class=\"attachment-large size-large wp-image-51695\" alt=\"SVL488 stainless steel safety valve for cleaning systems with sanitary clamp connection and lifting lever\" srcset=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system.webp 850w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system-300x300.webp 300w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system-150x150.webp 150w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system-768x768.webp 768w, https:\/\/zobai.com\/wp-content\/uploads\/2026\/04\/svl488-stainless-steel-safety-valve-cleaning-system-260x260.webp 260w\" sizes=\"(max-width: 850px) 100vw, 850px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2dbbb885 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2dbbb885\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-28900ab e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"28900ab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7cd5a7d7 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"7cd5a7d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">SVL488 Series Sanitary Safety Valves<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1009d5c2 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1009d5c2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-58d1f452 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"58d1f452\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;cms_transform_hover_type&quot;:&quot;element&quot;}\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/zobai.com\/ru\/applications\/oxygen\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t<span class=\"elementor-button-icon\">\n\t\t\t\t<i aria-hidden=\"true\" class=\"cmsmsdemo-icon- cmsms-demo-icon-arrows-1\"><\/i>\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-385ca46a cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"385ca46a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sanitary safety valves for hygienic process lines and cleaning systems requiring cleanable pressure protection.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-prev\" role=\"button\" tabindex=\"0\" aria-label=\"Zur\u00fcck\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-left\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M646 125C629 125 613 133 604 142L308 442C296 454 292 471 292 487 292 504 296 521 308 533L604 854C617 867 629 875 646 875 663 875 679 871 692 858 704 846 713 829 713 812 713 796 708 779 692 767L438 487 692 225C700 217 708 204 708 187 708 171 704 154 692 142 675 129 663 125 646 125Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"elementor-swiper-button elementor-swiper-button-next\" role=\"button\" tabindex=\"0\" aria-label=\"Weiter\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-chevron-right\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M696 533C708 521 713 504 713 487 713 471 708 454 696 446L400 146C388 133 375 125 354 125 338 125 325 129 313 142 300 154 292 171 292 187 292 204 296 221 308 233L563 492 304 771C292 783 288 800 288 817 288 833 296 850 308 863 321 871 338 875 354 875 371 875 388 867 400 854L696 533Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t\t\t<div class=\"swiper-pagination\"><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home Oxygen Safety Valves for O2 Pipelines, LOX, Compressors, Medical Gas and Industrial Oxygen Systems CONTACT SALES Oxygen \/ O2 Pressure Relief Service Oxygen Safety Valves for O2 Pipelines, LOX, Compressors, Medical Gas and Industrial Oxygen Systems Oxygen safety valves protect industrial oxygen pipelines, gaseous oxygen manifolds, LOX storage tanks, cryogenic oxygen vaporizers, oxygen compressors,&#8230;<\/p>","protected":false},"author":2,"featured_media":0,"parent":52780,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-53247","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53247","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/comments?post=53247"}],"version-history":[{"count":4,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53247\/revisions"}],"predecessor-version":[{"id":53251,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53247\/revisions\/53251"}],"up":[{"embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/52780"}],"wp:attachment":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/media?parent=53247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}