{"id":53231,"date":"2026-05-15T09:56:36","date_gmt":"2026-05-15T09:56:36","guid":{"rendered":"https:\/\/zobai.com\/?page_id=53231"},"modified":"2026-05-15T09:58:31","modified_gmt":"2026-05-15T09:58:31","slug":"natural-gas","status":"publish","type":"page","link":"https:\/\/zobai.com\/ru\/applications\/natural-gas\/","title":{"rendered":"\u041f\u0440\u0438\u0440\u043e\u0434\u043d\u044b\u0439 \u0433\u0430\u0437"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"53231\" class=\"elementor elementor-53231\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e699827 e-con-full e-flex cmsmasters-bg-hide-none cmsmasters-bg-hide-none cmsmasters-block-default e-con e-parent\" data-id=\"5e699827\" 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-bf6131 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"bf6131\" 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-104ecd47 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=\"104ecd47\" 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-5500ae22 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"5500ae22\" 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\">Natural Gas Safety Valves for Pipelines, Compressor Stations, PRV Stations and Fuel Gas Systems<\/h1>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-452cd5c4 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"452cd5c4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f630333 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=\"f630333\" 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-70c99cf1 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"70c99cf1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3d0ee3a9 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"3d0ee3a9\" 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-78527eaf 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=\"78527eaf\" 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-307ec52d e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"307ec52d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3b306359 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-html\" data-id=\"3b306359\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\r\n  .zobai-ng-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-ng-page * { box-sizing: border-box; }\r\n\r\n  .zobai-ng-section {\r\n    max-width: 100%;\r\n    margin: 0 auto;\r\n    padding: 88px 80px;\r\n  }\r\n\r\n  .zobai-ng-section-soft { background: #f8faf9; }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-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-ng-grid {\r\n    display: grid;\r\n    grid-template-columns: repeat(12, 1fr);\r\n    gap: 28px;\r\n  }\r\n\r\n  .zobai-ng-span-4 { grid-column: span 4; }\r\n  .zobai-ng-span-5 { grid-column: span 5; }\r\n  .zobai-ng-span-6 { grid-column: span 6; }\r\n  .zobai-ng-span-7 { grid-column: span 7; }\r\n  .zobai-ng-span-12 { grid-column: span 12; }\r\n\r\n  .zobai-ng-card,\r\n  .zobai-ng-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-ng-card h2,\r\n  .zobai-ng-card h3,\r\n  .zobai-ng-case h3 {\r\n    margin: 0 0 14px;\r\n    color: var(--z-ink);\r\n  }\r\n\r\n  .zobai-ng-card h3,\r\n  .zobai-ng-case h3 {\r\n    font-size: 24px;\r\n    line-height: 1.25;\r\n  }\r\n\r\n  .zobai-ng-card p,\r\n  .zobai-ng-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-ng-card p:last-child,\r\n  .zobai-ng-case p:last-child { margin-bottom: 0; }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-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-ng-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-ng-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-ng-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-ng-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-ng-flow {\r\n    display: grid;\r\n    gap: 16px;\r\n    margin-top: 28px;\r\n  }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-flow-item p {\r\n    margin: 0;\r\n    color: #4d5863;\r\n    line-height: 1.68;\r\n  }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-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-ng-table tr:nth-child(even) td { background: #fbfcfc; }\r\n  .zobai-ng-table tr:last-child td { border-bottom: 0; }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-case {\r\n    border-radius: 24px;\r\n    padding: 28px;\r\n  }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-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-ng-case-data b { color: var(--z-ink); }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-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-ng-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-ng-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-ng-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-ng-accordion { display: grid; gap: 14px; }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-acc-item.is-open .zobai-ng-acc-btn span { transform: rotate(45deg); }\r\n\r\n  .zobai-ng-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-ng-acc-item.is-open .zobai-ng-acc-body { display: block; }\r\n\r\n  .zobai-ng-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-ng-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-ng-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-ng-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-ng-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-ng-rfq-grid {\r\n    display: grid;\r\n    grid-template-columns: 1fr 1fr;\r\n    gap: 10px;\r\n  }\r\n\r\n  .zobai-ng-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-ng-btn-row {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 14px;\r\n  }\r\n\r\n  .zobai-ng-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-ng-btn:hover {\r\n    transform: translateY(-2px);\r\n    opacity: 0.92;\r\n  }\r\n\r\n  .zobai-ng-btn-primary {\r\n    background: #ffc400;\r\n    color: #18201f;\r\n  }\r\n\r\n  .zobai-ng-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-ng-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-ng-span-4,\r\n    .zobai-ng-span-5,\r\n    .zobai-ng-span-6,\r\n    .zobai-ng-span-7,\r\n    .zobai-ng-span-12 { grid-column: span 12; }\r\n\r\n    .zobai-ng-kpi,\r\n    .zobai-ng-link-grid { grid-template-columns: 1fr; }\r\n\r\n    .zobai-ng-rfq { grid-template-columns: 1fr; }\r\n  }\r\n\r\n  @media (max-width: 640px) {\r\n    .zobai-ng-section { padding: 58px 18px; }\r\n\r\n    .zobai-ng-card,\r\n    .zobai-ng-hero-panel,\r\n    .zobai-ng-rfq,\r\n    .zobai-ng-case {\r\n      padding: 26px 20px;\r\n      border-radius: 24px;\r\n    }\r\n\r\n    .zobai-ng-flow-item { grid-template-columns: 1fr; }\r\n    .zobai-ng-case-top { flex-direction: column; }\r\n    .zobai-ng-case-data { grid-template-columns: 1fr; }\r\n    .zobai-ng-rfq-grid { grid-template-columns: 1fr; }\r\n  }\r\n<\/style>\r\n\r\n<div class=\"zobai-ng-page\">\r\n\r\n  <section class=\"zobai-ng-section\">\r\n    <div class=\"zobai-ng-hero-panel\">\r\n      <div class=\"zobai-ng-eyebrow\">Natural Gas Pressure Relief Service<\/div>\r\n      <h2>Natural Gas Safety Valves for Pipelines, Compressor Stations, PRV Stations and Fuel Gas Systems<\/h2>\r\n      <p>\r\n        Natural gas safety valves protect transmission pipelines, distribution stations, compressor packages, gas receivers, separators, filter vessels, metering skids, pressure reducing stations, fuel gas systems, gas storage equipment, heater skids, dehydration units and gas processing packages from overpressure. Correct selection starts with gas composition, molecular weight, set pressure, protected equipment MAWP, maximum operating pressure, required relieving capacity, blocked outlet case, compressor discharge case, regulator failed-open case, fire case, back pressure, discharge destination, leakage tightness, material compatibility, low-temperature condition, sour gas content and required test documents.\r\n      <\/p>\r\n\r\n      <div class=\"zobai-ng-kpi\">\r\n        <div class=\"zobai-ng-kpi-item\">\r\n          <strong>Core Equipment<\/strong>\r\n          <span>Pipelines, compressors, PRV stations, separators, metering skids and fuel gas systems<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-kpi-item\">\r\n          <strong>Key Relief Cases<\/strong>\r\n          <span>Blocked outlet, regulator failed open, compressor discharge, fire case and thermal expansion<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-kpi-item\">\r\n          <strong>Engineering Focus<\/strong>\r\n          <span>Gas capacity, MAOP \/ MAWP, back pressure, noise, leakage and safe venting<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-kpi-item\">\r\n          <strong>RFQ Output<\/strong>\r\n          <span>Datasheet, sizing basis, material certificates, calibration and seat test records<\/span>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section zobai-ng-section-soft\">\r\n    <div class=\"zobai-ng-eyebrow\">Natural Gas Applications<\/div>\r\n    <h2 class=\"zobai-ng-title\">Where Natural Gas Safety Valves Are Used<\/h2>\r\n    <p class=\"zobai-ng-lead\">\r\n      Natural gas relief service is common across upstream, midstream, downstream and industrial fuel gas systems. The right valve depends on whether the protected system is a pipeline, compressor package, pressure reducing station, separator, fuel gas skid or gas storage unit.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-ng-grid\">\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Gas Transmission and Distribution Pipelines<\/h3>\r\n        <p>\r\n          Used on pipeline stations, city gate stations, district regulating stations, line heaters, metering runs and downstream headers. Selection should review MAOP, regulator failure, blocked outlet, gas composition, vent stack height and downstream pressure boundary.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Natural Gas Compressor Stations<\/h3>\r\n        <p>\r\n          Used on compressor discharge lines, interstage separators, gas receivers, knockout drums, lube oil\/gas packages and recycle systems. Relief review should include compressor map, blocked discharge, recycle failure, pulsation, vibration and discharge routing.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Pressure Reducing and Metering Stations<\/h3>\r\n        <p>\r\n          Used downstream of pressure regulators, slam-shut valves, control valves and metering skids. The key scenario is often regulator failed open, where downstream equipment must be protected from higher upstream source pressure.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Gas Separators, Filters and Dehydration Units<\/h3>\r\n        <p>\r\n          Used on inlet separators, filter separators, coalescers, glycol contactors, molecular sieve vessels and dehydration packages. Selection should review blocked gas outlet, fire case, liquid carryover, sour gas, wet gas and flare back pressure.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Fuel Gas and Burner Supply Systems<\/h3>\r\n        <p>\r\n          Used on fuel gas conditioning skids, heater fuel systems, turbine fuel gas packages, boiler gas trains and industrial burner supply lines. Relief review should include regulator failure, low-pressure downstream piping, vent location and leakage tightness.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>CNG, Gas Storage and Skid Packages<\/h3>\r\n        <p>\r\n          Used on CNG storage banks, buffer vessels, tube trailers, gas charging skids, pressure letdown skids and modular gas packages. Selection should review high pressure, temperature change, isolation, vent dispersion, seat tightness and inspection access.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section\">\r\n    <div class=\"zobai-ng-eyebrow\">Relief Case Analysis<\/div>\r\n    <h2 class=\"zobai-ng-title\">Natural Gas Safety Valve Selection Starts With the Credible Pressure Source<\/h2>\r\n    <p class=\"zobai-ng-lead\">\r\n      Natural gas systems are often protected from high upstream pressure, compressor energy, blocked discharge, fire exposure, control failure or thermal expansion. The valve must be sized from the governing relief scenario, not from normal gas demand only.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-ng-flow\">\r\n      <div class=\"zobai-ng-flow-item\">\r\n        <div class=\"zobai-ng-flow-num\">01<\/div>\r\n        <div>\r\n          <h3>Pressure Regulator Failed Open<\/h3>\r\n          <p>\r\n            When a regulator fails open, high-pressure upstream gas can flow into a lower-rated downstream header. The downstream safety valve should be sized from failed-open flow, upstream pressure, regulator capacity and downstream design pressure.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-flow-item\">\r\n        <div class=\"zobai-ng-flow-num\">02<\/div>\r\n        <div>\r\n          <h3>Compressor Blocked Discharge<\/h3>\r\n          <p>\r\n            Gas compressors can overpressure receivers, discharge lines and interstage equipment if discharge is blocked or recycle fails. Selection should review compressor map, maximum flow, discharge temperature, pulsation and vent or flare back pressure.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-flow-item\">\r\n        <div class=\"zobai-ng-flow-num\">03<\/div>\r\n        <div>\r\n          <h3>Blocked Outlet on Separator or Filter Vessel<\/h3>\r\n          <p>\r\n            Separators, filters and dehydration vessels can be overpressured by upstream flow when the outlet is blocked. Relief capacity should be based on maximum credible inlet flow and pressure source, not normal vessel throughput only.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-flow-item\">\r\n        <div class=\"zobai-ng-flow-num\">04<\/div>\r\n        <div>\r\n          <h3>External Fire Exposure<\/h3>\r\n          <p>\r\n            Gas receivers, separators, storage vessels and condensate-containing equipment may require fire-case relief review. Fire case can involve vapor expansion, liquid vaporization and simultaneous relief into a shared flare or vent system.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-flow-item\">\r\n        <div class=\"zobai-ng-flow-num\">05<\/div>\r\n        <div>\r\n          <h3>Thermal Expansion of Blocked-In Gas or Condensate<\/h3>\r\n          <p>\r\n            Isolated gas sections, condensate pockets or liquid-filled lines can increase pressure when heated. Thermal relief is especially important on blocked-in liquid hydrocarbon, condensate or glycol sections connected to natural gas systems.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-flow-item\">\r\n        <div class=\"zobai-ng-flow-num\">06<\/div>\r\n        <div>\r\n          <h3>Back Pressure From Flare or Closed Vent Systems<\/h3>\r\n          <p>\r\n            Natural gas relief often discharges to vent stacks, flare headers, closed vents or recovery systems. Superimposed and built-up back pressure can affect valve capacity, opening behavior and reseating.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section zobai-ng-section-soft\">\r\n    <div class=\"zobai-ng-eyebrow\">Application Case Data<\/div>\r\n    <h2 class=\"zobai-ng-title\">Natural Gas Safety Valve Application Cases with Typical RFQ Data<\/h2>\r\n    <p class=\"zobai-ng-lead\">\r\n      These cases show how natural gas safety valve requirements are commonly described before model selection. Final sizing must be confirmed by gas composition, protected equipment datasheet, pressure source, relief calculation, back pressure review and project standard.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-ng-grid\">\r\n      <div class=\"zobai-ng-case zobai-ng-span-6\">\r\n        <div class=\"zobai-ng-case-top\">\r\n          <h3>Case 1: Downstream Safety Valve for Natural Gas PRV Station<\/h3>\r\n          <span class=\"zobai-ng-case-tag\">Regulator Failed Open<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-case-data\">\r\n          <div><b>Protected equipment:<\/b> Downstream gas header and distribution piping<\/div>\r\n          <div><b>Medium:<\/b> Dry natural gas or odorized fuel gas<\/div>\r\n          <div><b>Upstream pressure:<\/b> High-pressure transmission or plant gas header<\/div>\r\n          <div><b>Set pressure:<\/b> Below downstream MAOP or 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 capacity, gas composition and downstream MAOP<\/div>\r\n          <div><b>Discharge:<\/b> Vent stack, flare, safe outdoor vent or relief header<\/div>\r\n          <div><b>Key review:<\/b> Failed-open flow, noise, vent dispersion, leakage tightness and back pressure<\/div>\r\n        <\/div>\r\n        <p>\r\n          PRV station safety valves should be sized from the failed-open case. Normal downstream gas demand is usually not enough to confirm protection.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-case zobai-ng-span-6\">\r\n        <div class=\"zobai-ng-case-top\">\r\n          <h3>Case 2: Compressor Discharge Safety Valve<\/h3>\r\n          <span class=\"zobai-ng-case-tag\">Compressor Protection<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-case-data\">\r\n          <div><b>Protected equipment:<\/b> Compressor discharge line and gas receiver<\/div>\r\n          <div><b>Medium:<\/b> Natural gas, fuel gas, hydrogen blend or methane-rich gas<\/div>\r\n          <div><b>Set pressure:<\/b> Receiver or discharge piping protection value<\/div>\r\n          <div><b>Relief cause:<\/b> Blocked discharge, recycle failure or compressor control failure<\/div>\r\n          <div><b>Required data:<\/b> Compressor map, maximum flow, discharge temperature and gas molecular weight<\/div>\r\n          <div><b>Discharge:<\/b> Flare header, vent stack, recycle system or closed relief header<\/div>\r\n          <div><b>Valve review:<\/b> Spring-loaded gas PSV or pilot operated safety valve for clean gas<\/div>\r\n          <div><b>Key review:<\/b> Pulsation, vibration, outlet reaction force, back pressure and seat tightness<\/div>\r\n        <\/div>\r\n        <p>\r\n          Compressor discharge relief is often a high-flow gas case. Valve stability, vibration and discharge system capacity should be reviewed together.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-case zobai-ng-span-6\">\r\n        <div class=\"zobai-ng-case-top\">\r\n          <h3>Case 3: Gas Filter Separator Safety Valve<\/h3>\r\n          <span class=\"zobai-ng-case-tag\">Separator \/ Filter Vessel<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-case-data\">\r\n          <div><b>Protected equipment:<\/b> Filter separator, coalescer or knockout drum<\/div>\r\n          <div><b>Medium:<\/b> Natural gas with possible condensate, water or solids<\/div>\r\n          <div><b>Set pressure:<\/b> Vessel MAWP-based value<\/div>\r\n          <div><b>Relief cause:<\/b> Blocked gas outlet, upstream control failure or fire exposure<\/div>\r\n          <div><b>Required data:<\/b> Maximum inlet flow, upstream pressure, liquid carryover and gas composition<\/div>\r\n          <div><b>Discharge:<\/b> Flare, vent stack, closed vent or safe relief header<\/div>\r\n          <div><b>Valve review:<\/b> Gas PSV or bellows PSV where back pressure is significant<\/div>\r\n          <div><b>Key review:<\/b> Wet gas, fouling, sour gas, condensate, back pressure and material compatibility<\/div>\r\n        <\/div>\r\n        <p>\r\n          Filter separators may contain wet gas and condensate. Material, fouling risk and discharge handling should be reviewed before selecting a standard gas valve.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-case zobai-ng-span-6\">\r\n        <div class=\"zobai-ng-case-top\">\r\n          <h3>Case 4: Fuel Gas Skid Safety Valve<\/h3>\r\n          <span class=\"zobai-ng-case-tag\">Industrial Fuel Gas<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-case-data\">\r\n          <div><b>Protected equipment:<\/b> Fuel gas conditioning skid or burner gas train<\/div>\r\n          <div><b>Medium:<\/b> Natural gas, fuel gas or odorized gas<\/div>\r\n          <div><b>Set pressure:<\/b> Below downstream piping or equipment design pressure<\/div>\r\n          <div><b>Relief cause:<\/b> Pressure regulator failed open, blocked outlet or heater control failure<\/div>\r\n          <div><b>Required data:<\/b> Upstream pressure, regulator Cv, downstream design pressure and gas flow<\/div>\r\n          <div><b>Discharge:<\/b> Safe vent stack, outdoor vent, flare or closed relief system<\/div>\r\n          <div><b>Valve review:<\/b> Compact gas safety valve or pilot valve where applicable<\/div>\r\n          <div><b>Key review:<\/b> Leakage tightness, compact layout, vent location, nearby ignition sources and maintenance access<\/div>\r\n        <\/div>\r\n        <p>\r\n          Fuel gas skids often have compact layouts and operators nearby. Vent routing and leakage control are as important as pressure capacity.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-case zobai-ng-span-6\">\r\n        <div class=\"zobai-ng-case-top\">\r\n          <h3>Case 5: CNG Storage Bank Safety Valve<\/h3>\r\n          <span class=\"zobai-ng-case-tag\">High Pressure Gas<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-case-data\">\r\n          <div><b>Protected equipment:<\/b> CNG storage bank, buffer vessel or charging skid<\/div>\r\n          <div><b>Medium:<\/b> Compressed natural gas<\/div>\r\n          <div><b>Set pressure:<\/b> Storage vessel or pipe protection value<\/div>\r\n          <div><b>Relief cause:<\/b> Overfill, compressor control failure, thermal expansion or fire exposure<\/div>\r\n          <div><b>Required data:<\/b> Storage pressure, temperature range, compressor pressure and vessel rating<\/div>\r\n          <div><b>Discharge:<\/b> High vent stack or approved safe gas relief location<\/div>\r\n          <div><b>Valve review:<\/b> High-pressure gas safety valve with tight shutoff<\/div>\r\n          <div><b>Key review:<\/b> High pressure, noise, reaction force, vent dispersion, low ambient temperature and certification<\/div>\r\n        <\/div>\r\n        <p>\r\n          CNG service requires high-pressure gas review, tight shutoff and safe venting. Small leakage can become a flammable gas hazard.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-case zobai-ng-span-6\">\r\n        <div class=\"zobai-ng-case-top\">\r\n          <h3>Case 6: Sour Natural Gas Separator PSV<\/h3>\r\n          <span class=\"zobai-ng-case-tag\">Sour Gas \/ H\u2082S<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-ng-case-data\">\r\n          <div><b>Protected equipment:<\/b> Sour gas separator, knockout drum or amine unit vessel<\/div>\r\n          <div><b>Medium:<\/b> Natural gas with H\u2082S, CO\u2082, water vapor and condensate<\/div>\r\n          <div><b>Set pressure:<\/b> Vessel MAWP-based value<\/div>\r\n          <div><b>Relief cause:<\/b> Blocked outlet, upstream pressure surge or fire case<\/div>\r\n          <div><b>Required data:<\/b> H\u2082S partial pressure, CO\u2082, pH, chlorides, temperature and liquid carryover<\/div>\r\n          <div><b>Discharge:<\/b> Flare, acid gas header or closed relief system<\/div>\r\n          <div><b>Valve review:<\/b> Sour service PSV with qualified materials and document package<\/div>\r\n          <div><b>Key review:<\/b> Material hardness, sour service certificate, toxicity, corrosion and back pressure<\/div>\r\n        <\/div>\r\n        <p>\r\n          Sour natural gas service requires material and documentation review in addition to normal gas sizing. Toxic discharge should be routed to a controlled system.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section\">\r\n    <div class=\"zobai-ng-eyebrow\">Service Data Matrix<\/div>\r\n    <h2 class=\"zobai-ng-title\">Natural Gas Safety Valve Data Matrix<\/h2>\r\n\r\n    <div class=\"zobai-ng-table-wrap\">\r\n      <table class=\"zobai-ng-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Natural Gas 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>Pressure reducing station<\/td>\r\n            <td>Dry gas, odorized gas, fuel gas<\/td>\r\n            <td>Regulator failed open, bypass leakage, downstream blockage<\/td>\r\n            <td>Upstream pressure, failed-open flow, downstream MAOP, vent back pressure and noise<\/td>\r\n            <td>Gas PSV or pilot operated safety valve where clean service allows<\/td>\r\n            <td>Downstream overpressure, nuisance relief or unsafe venting<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Compressor discharge<\/td>\r\n            <td>Natural gas, methane-rich gas, fuel gas, hydrogen blend<\/td>\r\n            <td>Blocked discharge, recycle failure, compressor control failure<\/td>\r\n            <td>Compressor map, molecular weight, discharge temperature, pulsation and vibration<\/td>\r\n            <td>High-capacity gas PSV or pilot operated valve<\/td>\r\n            <td>Receiver overpressure, chatter, leakage or outlet pipe damage<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Gas separator \/ filter vessel<\/td>\r\n            <td>Wet gas, dry gas, condensate carryover, water vapor<\/td>\r\n            <td>Blocked outlet, fire case, upstream pressure surge<\/td>\r\n            <td>Vessel MAWP, maximum gas flow, liquid carryover, fouling and material compatibility<\/td>\r\n            <td>Spring-loaded PSV, bellows PSV or sour service PSV depending on conditions<\/td>\r\n            <td>Undersized relief, fouled valve or unsafe discharge<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Fuel gas skid<\/td>\r\n            <td>Natural gas, fuel gas, odorized gas<\/td>\r\n            <td>Regulator failure, blocked burner header, control failure<\/td>\r\n            <td>Downstream design pressure, regulator Cv, vent location and leakage tightness<\/td>\r\n            <td>Compact gas safety valve or pilot valve for clean service<\/td>\r\n            <td>Burner train overpressure, gas leakage or operator exposure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>CNG \/ high pressure gas storage<\/td>\r\n            <td>Compressed natural gas<\/td>\r\n            <td>Overfill, compressor failure, thermal expansion, fire exposure<\/td>\r\n            <td>Storage pressure, temperature rise, high-pressure rating, vent dispersion and noise<\/td>\r\n            <td>High-pressure gas safety valve with tight shutoff and certified capacity<\/td>\r\n            <td>High-energy release, noise hazard or flammable gas cloud<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Sour natural gas<\/td>\r\n            <td>Natural gas with H\u2082S, CO\u2082, water and condensate<\/td>\r\n            <td>Blocked outlet, fire case, pressure control failure<\/td>\r\n            <td>H\u2082S, CO\u2082, pH, chlorides, hardness, wet\/dry condition and toxic discharge route<\/td>\r\n            <td>Sour service PSV with material and hardness documentation<\/td>\r\n            <td>Cracking failure, toxic release or project document rejection<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section zobai-ng-section-soft\">\r\n    <div class=\"zobai-ng-eyebrow\">Selection Framework<\/div>\r\n    <h2 class=\"zobai-ng-title\">How to Specify a Natural Gas Safety Valve Correctly<\/h2>\r\n\r\n    <div class=\"zobai-ng-grid\">\r\n      <div class=\"zobai-ng-card zobai-ng-span-6\">\r\n        <h3>1. Confirm protected equipment and pressure boundary<\/h3>\r\n        <p>\r\n          Start with pipeline MAOP, vessel MAWP, skid piping design pressure, compressor receiver rating or downstream header pressure limit. The set pressure should protect the lowest-rated credible pressure boundary.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-6\">\r\n        <h3>2. Define gas composition and molecular weight<\/h3>\r\n        <p>\r\n          Natural gas composition affects molecular weight, compressibility, relief capacity, flammability, sour service risk and material selection. Provide methane, ethane, propane, nitrogen, CO\u2082, H\u2082S and water content where available.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-6\">\r\n        <h3>3. Size from the governing relief case<\/h3>\r\n        <p>\r\n          Review regulator failed open, compressor blocked discharge, separator blocked outlet, fire case, control valve failure and thermal expansion. The highest credible relieving flow controls valve capacity.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-6\">\r\n        <h3>4. Review back pressure and discharge destination<\/h3>\r\n        <p>\r\n          Discharge may go to atmosphere, vent stack, flare header, closed vent or recovery system. Back pressure can affect valve capacity, opening, blowdown and reseating, especially in closed relief systems.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-6\">\r\n        <h3>5. Select valve type for leakage and operating margin<\/h3>\r\n        <p>\r\n          Clean gas with high operating pressure margin may suit pilot operated valves. Conventional or spring-loaded valves may suit standard systems. Soft seat, metal seat, leakage class and maintenance requirements should be defined early.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-6\">\r\n        <h3>6. Confirm material and low-temperature requirements<\/h3>\r\n        <p>\r\n          High pressure letdown can cool gas during relief. Low ambient temperature, Joule-Thomson cooling, sour gas, wet gas and CO\u2082 content may require low-temperature material, sour service review or special trim selection.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section\">\r\n    <div class=\"zobai-ng-eyebrow\">Installation & Discharge<\/div>\r\n    <h2 class=\"zobai-ng-title\">Natural Gas Safety Valves Must Be Reviewed With Venting, Noise, Back Pressure and Gas Dispersion<\/h2>\r\n\r\n    <div class=\"zobai-ng-grid\">\r\n      <div class=\"zobai-ng-card zobai-ng-span-7\">\r\n        <h3>Why natural gas relief installation controls real safety<\/h3>\r\n        <p>\r\n          Natural gas safety valve performance depends on the full relief path. A correctly sized valve can still create risk if the vent stack is too short, the outlet points toward operators, the flare header creates excessive back pressure, the inlet branch is undersized, or the valve discharges near ignition sources, air intakes or enclosed areas.\r\n        <\/p>\r\n        <p>\r\n          Installation should review inlet pressure loss, valve orientation, outlet support, acoustic vibration, vent stack height, gas dispersion, safe distance from ignition sources, closed header back pressure, flare capacity, drain and liquid pocket removal, low-temperature cooling, snow or ice formation, inspection access and whether the valve can be isolated only under approved procedures.\r\n        <\/p>\r\n        <div class=\"zobai-ng-chip-row\">\r\n          <span class=\"zobai-ng-chip\">Natural Gas<\/span>\r\n          <span class=\"zobai-ng-chip\">Fuel Gas<\/span>\r\n          <span class=\"zobai-ng-chip\">Regulator Failure<\/span>\r\n          <span class=\"zobai-ng-chip\">Compressor Discharge<\/span>\r\n          <span class=\"zobai-ng-chip\">Vent Stack<\/span>\r\n          <span class=\"zobai-ng-chip\">Sour Gas<\/span>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-5\">\r\n        <h3>Field installation checks<\/h3>\r\n        <ul class=\"zobai-ng-list\">\r\n          <li>Confirm set pressure, MAOP \/ MAWP and protected equipment tag before installation.<\/li>\r\n          <li>Keep inlet pressure loss within the project design limit.<\/li>\r\n          <li>Route natural gas discharge to an approved vent stack, flare, closed vent or recovery system.<\/li>\r\n          <li>Check outlet back pressure from flare, vent stack, silencer or closed relief header.<\/li>\r\n          <li>Keep discharge away from platforms, air intakes, doors, ignition sources and enclosed spaces.<\/li>\r\n          <li>Support outlet piping for reaction force, vibration and thermal movement.<\/li>\r\n          <li>Provide access for calibration, seat tightness testing, inspection and valve replacement.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section zobai-ng-section-soft\">\r\n    <div class=\"zobai-ng-eyebrow\">Standards & Documentation<\/div>\r\n    <h2 class=\"zobai-ng-title\">Standards and Documents to Confirm Before Ordering<\/h2>\r\n\r\n    <div class=\"zobai-ng-grid\">\r\n      <div class=\"zobai-ng-card zobai-ng-span-6\">\r\n        <h3>Common natural gas relief references<\/h3>\r\n        <p>\r\n          Natural gas safety valve specifications may reference ASME, API, ISO, EN, GB, local gas pipeline rules, owner pipeline standards, compressor package specifications and project relief philosophy. The applicable design basis should be confirmed before quotation.\r\n        <\/p>\r\n        <ul class=\"zobai-ng-list\">\r\n          <li><a href=\"\/standards\/asme-b31-8\/\">ASME B31.8<\/a> for gas transmission and distribution piping systems where specified by the project.<\/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 pressure-relieving and depressuring system review, including flare, fire case and system-level relief cases.<\/li>\r\n          <li><a href=\"\/standards\/asme-section-viii\/\">ASME BPVC Section VIII<\/a> where gas receivers, separators, filters or storage vessels are pressure vessels.<\/li>\r\n          <li><a href=\"\/standards\/asme-b31-3\/\">ASME B31.3<\/a> where gas processing plant piping, skid piping or fuel gas process piping is specified.<\/li>\r\n          <li><a href=\"\/standards\/api-526\/\">API 526<\/a> when flanged steel pressure relief valve dimensions and pressure classes are specified.<\/li>\r\n          <li><a href=\"\/standards\/api-527\/\">API 527<\/a> when seat tightness testing is required by project specification.<\/li>\r\n          <li><a href=\"\/standards\/nace-mr0175-iso-15156\/\">NACE MR0175 \/ ISO 15156<\/a> where sour natural gas or H\u2082S-containing environments are specified.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-6\">\r\n        <h3>Typical natural gas valve document package<\/h3>\r\n        <p>\r\n          Documentation should be agreed before manufacturing, especially for pipeline stations, compressor packages, PRV stations, gas processing units, sour gas systems, CNG skids and EPC export projects.\r\n        <\/p>\r\n        <ul class=\"zobai-ng-list\">\r\n          <li>Technical datasheet with tag number, model, size, orifice, set pressure and connection.<\/li>\r\n          <li>Sizing calculation or certified gas relieving capacity confirmation.<\/li>\r\n          <li>Gas composition, molecular weight, compressibility basis and relieving temperature data.<\/li>\r\n          <li>Set pressure calibration certificate, pressure test report and seat tightness test report.<\/li>\r\n          <li>Material certificate for body, bonnet, nozzle, disc, trim, spring and pressure-retaining parts.<\/li>\r\n          <li>Sour service, hardness, PMI or low-temperature material documents where specified.<\/li>\r\n          <li>General arrangement drawing with dimensions, weight, outlet orientation and maintenance clearance.<\/li>\r\n          <li>Nameplate, tag list, spare parts list, inspection witness record and packing record when required.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section\">\r\n    <div class=\"zobai-ng-eyebrow\">RFQ Checklist<\/div>\r\n    <h2 class=\"zobai-ng-title\">Natural Gas Safety Valve RFQ Data Checklist<\/h2>\r\n\r\n    <div class=\"zobai-ng-table-wrap\">\r\n      <table class=\"zobai-ng-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>Pipeline header, compressor receiver, filter separator, PRV station, fuel gas skid, CNG storage<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>MAOP \/ MAWP \/ design pressure<\/td>\r\n            <td>Defines the maximum pressure the valve must protect.<\/td>\r\n            <td>6 barg, 16 barg, 42 barg, 100 barg, Class 300, pipeline MAOP value<\/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>Downstream protection set point, vessel MAWP-based set pressure, compressor discharge set pressure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Gas composition<\/td>\r\n            <td>Affects molecular weight, capacity, material, sour service and flammability review.<\/td>\r\n            <td>Methane-rich gas, fuel gas, odorized gas, wet gas, H\u2082S, CO\u2082, nitrogen, hydrogen blend<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Relief scenario<\/td>\r\n            <td>Determines required capacity and valve type.<\/td>\r\n            <td>Regulator failed open, compressor blocked discharge, blocked outlet, fire case, control failure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required capacity<\/td>\r\n            <td>Confirms whether the valve can protect the system.<\/td>\r\n            <td>kg\/h, Nm\u00b3\/h, SCFM, MMSCFD, regulator failed-open flow, compressor map<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Operating pressure range<\/td>\r\n            <td>Shows operating margin and leakage risk.<\/td>\r\n            <td>Normal pressure, maximum operating pressure, pressure fluctuation range<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Relieving temperature<\/td>\r\n            <td>Controls material, low-temperature review and capacity.<\/td>\r\n            <td>Ambient, low ambient, compressor discharge temperature, post-letdown cold gas temperature<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Back pressure and discharge route<\/td>\r\n            <td>Influences capacity, stability, noise and safe venting.<\/td>\r\n            <td>Atmospheric vent, flare header, closed vent, recovery line, high vent stack<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Installation condition<\/td>\r\n            <td>Affects orientation, piping loads, maintenance access and discharge safety.<\/td>\r\n            <td>Outdoor station, compact skid, compressor package, pipeline yard, offshore module<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Material and seat requirement<\/td>\r\n            <td>Prevents leakage, corrosion, sour service failure and document rejection.<\/td>\r\n            <td>Carbon steel, stainless trim, soft seat, metal seat, low-temperature material, sour service material<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required documents<\/td>\r\n            <td>Avoids inspection, FAT, shipment and commissioning delays.<\/td>\r\n            <td>Datasheet, drawing, MTC, sizing report, calibration report, pressure test, seat tightness test<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n\r\n    <p class=\"zobai-ng-note\">\r\n      Final selection must be confirmed by gas composition, protected equipment datasheet, pressure source, relief scenario, required capacity, applicable standard, back pressure calculation, discharge philosophy, certified valve capacity and engineering review.\r\n    <\/p>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section zobai-ng-section-soft\">\r\n    <div class=\"zobai-ng-eyebrow\">Selection Errors<\/div>\r\n    <h2 class=\"zobai-ng-title\">Common Natural Gas Safety Valve Selection Mistakes<\/h2>\r\n\r\n    <div class=\"zobai-ng-grid\">\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Using normal gas demand as relief flow<\/h3>\r\n        <p>\r\n          Regulator failed-open flow or compressor blocked-discharge flow can be much larger than normal consumption. The valve should be sized from the governing upset case.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Ignoring back pressure from flare or closed vent<\/h3>\r\n        <p>\r\n          Back pressure can reduce capacity or change valve behavior. It should be reviewed before choosing conventional, bellows or pilot operated design.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Missing leakage tightness requirements<\/h3>\r\n        <p>\r\n          Natural gas leakage can create flammable gas hazards and emissions. Seat type, leakage test and operating pressure margin should be defined clearly.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Forgetting sour gas material review<\/h3>\r\n        <p>\r\n          Natural gas containing H\u2082S, CO\u2082 or water may require sour service material, hardness control and additional documentation.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Discharging gas near unsafe areas<\/h3>\r\n        <p>\r\n          Vent discharge should avoid platforms, air intakes, doors, ignition sources and enclosed spaces. Gas dispersion and wind direction should be reviewed.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-card zobai-ng-span-4\">\r\n        <h3>Ignoring low-temperature relief conditions<\/h3>\r\n        <p>\r\n          High-pressure gas letdown can cool during relief. Low ambient temperature and Joule-Thomson cooling can require low-temperature material review.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section\">\r\n    <div class=\"zobai-ng-eyebrow\">Related Engineering Resources<\/div>\r\n    <h2 class=\"zobai-ng-title\">Continue Your Natural Gas Safety Valve Selection Review<\/h2>\r\n    <p class=\"zobai-ng-lead\">\r\n      These related pages help move from natural gas relief requirements to detailed valve selection, sizing, high-pressure service, compressor protection, high back pressure review and complete RFQ preparation.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-ng-link-grid\">\r\n      <a class=\"zobai-ng-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-ng-link-card\" href=\"\/engineering\/safety-valve-sizing\/\">\r\n        <strong>Safety Valve Sizing<\/strong>\r\n        <span>Review gas capacity, set pressure, molecular weight, back pressure and sizing inputs before RFQ.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-ng-link-card\" href=\"\/products\/pilot-operated-safety-valves\/\">\r\n        <strong>Pilot Operated Safety Valves<\/strong>\r\n        <span>For clean natural gas, high pressure, tight shutoff, high capacity and selected high back pressure applications.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-ng-link-card\" href=\"\/products\/spring-loaded-safety-valves\/\">\r\n        <strong>Spring Loaded Safety Valves<\/strong>\r\n        <span>For standard natural gas, fuel gas, separators, pressure vessels and pipeline station service.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-ng-link-card\" href=\"\/applications\/high-pressure\/\">\r\n        <strong>High Pressure Safety Valves<\/strong>\r\n        <span>For CNG storage, compressor discharge, gas injection, pipeline stations and high-pressure vessels.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-ng-link-card\" href=\"\/applications\/high-back-pressure\/\">\r\n        <strong>High Back Pressure Service<\/strong>\r\n        <span>For gas PSVs discharging to flare headers, closed vents, recovery systems and shared relief headers.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-ng-link-card\" href=\"\/applications\/corrosive-service\/\">\r\n        <strong>Corrosive and Sour Gas Service<\/strong>\r\n        <span>For H\u2082S, CO\u2082, wet gas, acid gas, material compatibility and sour service documentation.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-ng-link-card\" href=\"\/equipment\/compressors\/\">\r\n        <strong>Compressor Safety Valves<\/strong>\r\n        <span>For compressor blocked discharge, recycle failure, pulsation, vibration and high-flow gas relief.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-ng-link-card\" href=\"\/equipment\/skid-systems\/\">\r\n        <strong>Skid System Safety Valves<\/strong>\r\n        <span>For fuel gas skids, metering skids, pressure reducing stations and modular gas packages.<\/span>\r\n      <\/a>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section zobai-ng-section-soft\">\r\n    <div class=\"zobai-ng-eyebrow\">FAQ<\/div>\r\n    <h2 class=\"zobai-ng-title\">Natural Gas Safety Valve FAQ<\/h2>\r\n\r\n    <div class=\"zobai-ng-accordion\" data-zobai-ng-accordion>\r\n      <div class=\"zobai-ng-acc-item is-open\">\r\n        <button class=\"zobai-ng-acc-btn\" type=\"button\">What is the most common natural gas safety valve application? <span>+<\/span><\/button>\r\n        <div class=\"zobai-ng-acc-body\">\r\n          Common applications include downstream protection of pressure reducing stations, compressor discharge protection, filter separator protection, fuel gas skid protection and high-pressure CNG or gas storage protection.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-acc-item\">\r\n        <button class=\"zobai-ng-acc-btn\" type=\"button\">Can a natural gas safety valve be selected by pipe size only? <span>+<\/span><\/button>\r\n        <div class=\"zobai-ng-acc-body\">\r\n          No. Pipe size only confirms mechanical fit. The valve must match gas composition, set pressure, required capacity, relieving temperature, back pressure, discharge route, leakage requirement, material and documentation requirements.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-acc-item\">\r\n        <button class=\"zobai-ng-acc-btn\" type=\"button\">When should a pilot operated valve be reviewed for natural gas service? <span>+<\/span><\/button>\r\n        <div class=\"zobai-ng-acc-body\">\r\n          A pilot operated safety valve should be reviewed for clean natural gas, high set pressure, large capacity, tight shutoff or selected high back pressure applications. Pilot line plugging, freezing, maintenance and gas cleanliness must be checked.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-acc-item\">\r\n        <button class=\"zobai-ng-acc-btn\" type=\"button\">What data is required for a natural gas safety valve quotation? <span>+<\/span><\/button>\r\n        <div class=\"zobai-ng-acc-body\">\r\n          Provide protected equipment, MAOP or MAWP, set pressure, gas composition, relief scenario, required capacity, operating pressure range, relieving temperature, back pressure, discharge route, installation condition, material requirement, seat requirement and required documents.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-acc-item\">\r\n        <button class=\"zobai-ng-acc-btn\" type=\"button\">Where should natural gas safety valve discharge be routed? <span>+<\/span><\/button>\r\n        <div class=\"zobai-ng-acc-body\">\r\n          Discharge should be routed to an approved safe destination such as a vent stack, flare header, closed vent or recovery system according to the project relief philosophy. Gas dispersion, ignition sources, back pressure, noise and personnel exposure must be reviewed.\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-ng-section\">\r\n    <div class=\"zobai-ng-rfq\">\r\n      <div>\r\n        <div class=\"zobai-ng-eyebrow\">Engineering RFQ Support<\/div>\r\n        <h2>Prepare a Complete Natural Gas Safety Valve Datasheet Before Quotation<\/h2>\r\n        <p>\r\n          Send the protected equipment datasheet, MAOP or MAWP, design pressure, set pressure, gas composition, molecular weight, relief scenario, required capacity, operating pressure range, relieving temperature, back pressure, discharge route, installation condition, material requirement, seat requirement, connection standard and required documents. A complete datasheet helps confirm correct gas sizing, valve stability, leakage control and safe flammable gas discharge.\r\n        <\/p>\r\n        <div class=\"zobai-ng-btn-row\">\r\n          <a class=\"zobai-ng-btn zobai-ng-btn-primary\" href=\"\/contact\/\">Request Engineering Quote<\/a>\r\n          <a class=\"zobai-ng-btn zobai-ng-btn-secondary\" href=\"\/ask-an-engineer\/\">Ask an Engineer<\/a>\r\n          <a class=\"zobai-ng-btn zobai-ng-btn-secondary\" href=\"\/catalog-pdf\/\">Download Catalog PDF<\/a>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-ng-rfq-box\">\r\n        <h3>Minimum RFQ data<\/h3>\r\n        <div class=\"zobai-ng-rfq-grid\">\r\n          <div class=\"zobai-ng-rfq-item\">Protected Equipment<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">MAOP \/ MAWP<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Set Pressure<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Gas Composition<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Relief Scenario<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Required Capacity<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Operating Pressure<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Temperature<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Back Pressure<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Discharge Route<\/div>\r\n          <div class=\"zobai-ng-rfq-item\">Seat \/ Material<\/div>\r\n          <div class=\"zobai-ng-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-ng-accordion]');\r\n    accordions.forEach(function (accordion) {\r\n      var items = accordion.querySelectorAll('.zobai-ng-acc-item');\r\n\r\n      items.forEach(function (item) {\r\n        var button = item.querySelector('.zobai-ng-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 common natural gas safety valve application?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Common applications include downstream protection of pressure reducing stations, compressor discharge protection, filter separator protection, fuel gas skid protection and high-pressure CNG or gas storage protection.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Can a natural gas safety valve be selected by pipe size only?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"No. Pipe size only confirms mechanical fit. The valve must match gas composition, set pressure, required capacity, relieving temperature, back pressure, discharge route, leakage requirement, material and documentation requirements.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"When should a pilot operated valve be reviewed for natural gas service?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"A pilot operated safety valve should be reviewed for clean natural gas, high set pressure, large capacity, tight shutoff or selected high back pressure applications. Pilot line plugging, freezing, maintenance and gas cleanliness must be checked.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What data is required for a natural gas safety valve quotation?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Provide protected equipment, MAOP or MAWP, set pressure, gas composition, relief scenario, required capacity, operating pressure range, relieving temperature, back pressure, discharge route, installation condition, material requirement, seat requirement and required documents.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Where should natural gas safety valve discharge be routed?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Discharge should be routed to an approved safe destination such as a vent stack, flare header, closed vent or recovery system according to the project relief philosophy. Gas dispersion, ignition sources, back pressure, noise and personnel exposure must be reviewed.\"\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-77ae2f08 e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"77ae2f08\" 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-33c67162 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=\"33c67162\" 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-2bf98db5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2bf98db5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4348a0b3 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4348a0b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4dd6ffa3 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=\"4dd6ffa3\" 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-74e12d35 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"74e12d35\" 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-62a70cb0 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"62a70cb0\" 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-6b4525a9 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=\"6b4525a9\" 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-5ec51baf e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"5ec51baf\" 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-5e1eb4dd e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5e1eb4dd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-19000086 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"19000086\" 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-5f4f511c e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5f4f511c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6a0c0f2f cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"6a0c0f2f\" 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-15507b69 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"15507b69\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-358e0b08 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"358e0b08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ebcc812 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"6ebcc812\" 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-67e984cb e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"67e984cb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26fae4ed cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"26fae4ed\" 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\/natural-gas\/\">\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-5e68a9d2 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"5e68a9d2\" 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-54856091 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"54856091\" 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-4ed3f6d1 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4ed3f6d1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-33c36c4e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"33c36c4e\" 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-1ad809bc e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1ad809bc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34798566 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"34798566\" 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-e7d921f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"e7d921f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-54f3d6c9 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"54f3d6c9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-66b5dda4 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"66b5dda4\" 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-10d0175a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"10d0175a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b6cc3d4 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"5b6cc3d4\" 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\/natural-gas\/\">\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-603e96d4 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"603e96d4\" 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-34049437 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"34049437\" 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-4c49db72 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4c49db72\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-42a93c58 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"42a93c58\" 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-308f1e3c e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"308f1e3c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-17ba97ee cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"17ba97ee\" 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-3d564bc e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"3d564bc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-12fd6e04 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"12fd6e04\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-726764df cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"726764df\" 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-5431e839 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5431e839\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4dc9e6e0 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"4dc9e6e0\" 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\/natural-gas\/\">\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-2797d2a cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"2797d2a\" 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-542dc0cf e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"542dc0cf\" 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-7197493f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7197493f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-55673816 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"55673816\" 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-33d8b4a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"33d8b4a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6848ca3c cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"6848ca3c\" 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-7eafac6a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7eafac6a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-3b44f79e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"3b44f79e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4a74d2a5 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"4a74d2a5\" 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-534e7b70 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"534e7b70\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ea3b9dc cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"7ea3b9dc\" 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\/natural-gas\/\">\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-2da808af cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"2da808af\" 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 Natural Gas Safety Valves for Pipelines, Compressor Stations, PRV Stations and Fuel Gas Systems CONTACT SALES Natural Gas Pressure Relief Service Natural Gas Safety Valves for Pipelines, Compressor Stations, PRV Stations and Fuel Gas Systems Natural gas safety valves protect transmission pipelines, distribution stations, compressor packages, gas receivers, separators, filter vessels, metering skids, pressure&#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-53231","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53231","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=53231"}],"version-history":[{"count":4,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53231\/revisions"}],"predecessor-version":[{"id":53235,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53231\/revisions\/53235"}],"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=53231"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}