{"id":53152,"date":"2026-05-15T06:17:46","date_gmt":"2026-05-15T06:17:46","guid":{"rendered":"https:\/\/zobai.com\/?page_id=53152"},"modified":"2026-05-15T06:24:57","modified_gmt":"2026-05-15T06:24:57","slug":"storage-tanks","status":"publish","type":"page","link":"https:\/\/zobai.com\/ru\/applications\/storage-tanks\/","title":{"rendered":"\u0420\u0435\u0437\u0435\u0440\u0432\u0443\u0430\u0440\u044b \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"53152\" class=\"elementor elementor-53152\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-122db5e0 e-con-full e-flex cmsmasters-bg-hide-none cmsmasters-bg-hide-none cmsmasters-block-default e-con e-parent\" data-id=\"122db5e0\" 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-2af0ad6 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2af0ad6\" 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-26900bd3 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=\"26900bd3\" 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-3081bfb8 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"3081bfb8\" 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\">Storage Tank Safety Valves for Atmospheric, Low-Pressure and Pressurized Tank Systems<\/h1>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-20c00292 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"20c00292\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4c231296 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=\"4c231296\" 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-1e2ebb e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1e2ebb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4b7a1bf3 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4b7a1bf3\" 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-103c5192 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=\"103c5192\" 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-316a0d85 e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"316a0d85\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4dab2016 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-html\" data-id=\"4dab2016\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\r\n  .zobai-tank-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-tank-page * {\r\n    box-sizing: border-box;\r\n  }\r\n\r\n  .zobai-tank-section {\r\n    max-width: 100%;\r\n    margin: 0 auto;\r\n    padding: 88px 80px;\r\n  }\r\n\r\n  .zobai-tank-section-soft {\r\n    background: #f8faf9;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-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-tank-grid {\r\n    display: grid;\r\n    grid-template-columns: repeat(12, 1fr);\r\n    gap: 28px;\r\n  }\r\n\r\n  .zobai-tank-span-4 { grid-column: span 4; }\r\n  .zobai-tank-span-5 { grid-column: span 5; }\r\n  .zobai-tank-span-6 { grid-column: span 6; }\r\n  .zobai-tank-span-7 { grid-column: span 7; }\r\n  .zobai-tank-span-12 { grid-column: span 12; }\r\n\r\n  .zobai-tank-card,\r\n  .zobai-tank-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-tank-card h2,\r\n  .zobai-tank-card h3,\r\n  .zobai-tank-case h3 {\r\n    margin: 0 0 14px;\r\n    color: var(--z-ink);\r\n  }\r\n\r\n  .zobai-tank-card h3,\r\n  .zobai-tank-case h3 {\r\n    font-size: 24px;\r\n    line-height: 1.25;\r\n  }\r\n\r\n  .zobai-tank-card p,\r\n  .zobai-tank-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-tank-card p:last-child,\r\n  .zobai-tank-case p:last-child {\r\n    margin-bottom: 0;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-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-tank-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-tank-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-tank-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-tank-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-tank-flow {\r\n    display: grid;\r\n    gap: 16px;\r\n    margin-top: 28px;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-flow-item p {\r\n    margin: 0;\r\n    color: #4d5863;\r\n    line-height: 1.68;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-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-tank-table tr:nth-child(even) td {\r\n    background: #fbfcfc;\r\n  }\r\n\r\n  .zobai-tank-table tr:last-child td {\r\n    border-bottom: 0;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-case {\r\n    border-radius: 24px;\r\n    padding: 28px;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-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-tank-case-data b {\r\n    color: var(--z-ink);\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-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-tank-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-tank-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-tank-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-tank-accordion {\r\n    display: grid;\r\n    gap: 14px;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-acc-item.is-open .zobai-tank-acc-btn span {\r\n    transform: rotate(45deg);\r\n  }\r\n\r\n  .zobai-tank-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-tank-acc-item.is-open .zobai-tank-acc-body {\r\n    display: block;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-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-tank-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-tank-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-tank-rfq-grid {\r\n    display: grid;\r\n    grid-template-columns: 1fr 1fr;\r\n    gap: 10px;\r\n  }\r\n\r\n  .zobai-tank-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-tank-btn-row {\r\n    display: flex;\r\n    flex-wrap: wrap;\r\n    gap: 14px;\r\n  }\r\n\r\n  .zobai-tank-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-tank-btn:hover {\r\n    transform: translateY(-2px);\r\n    opacity: 0.92;\r\n  }\r\n\r\n  .zobai-tank-btn-primary {\r\n    background: #ffc400;\r\n    color: #18201f;\r\n  }\r\n\r\n  .zobai-tank-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-tank-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-tank-span-4,\r\n    .zobai-tank-span-5,\r\n    .zobai-tank-span-6,\r\n    .zobai-tank-span-7,\r\n    .zobai-tank-span-12 {\r\n      grid-column: span 12;\r\n    }\r\n\r\n    .zobai-tank-kpi,\r\n    .zobai-tank-link-grid {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .zobai-tank-rfq {\r\n      grid-template-columns: 1fr;\r\n    }\r\n  }\r\n\r\n  @media (max-width: 640px) {\r\n    .zobai-tank-section {\r\n      padding: 58px 18px;\r\n    }\r\n\r\n    .zobai-tank-card,\r\n    .zobai-tank-hero-panel,\r\n    .zobai-tank-rfq,\r\n    .zobai-tank-case {\r\n      padding: 26px 20px;\r\n      border-radius: 24px;\r\n    }\r\n\r\n    .zobai-tank-flow-item {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .zobai-tank-case-top {\r\n      flex-direction: column;\r\n    }\r\n\r\n    .zobai-tank-case-data {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .zobai-tank-rfq-grid {\r\n      grid-template-columns: 1fr;\r\n    }\r\n  }\r\n<\/style>\r\n\r\n<div class=\"zobai-tank-page\">\r\n\r\n  <section class=\"zobai-tank-section\">\r\n    <div class=\"zobai-tank-hero-panel\">\r\n      <div class=\"zobai-tank-eyebrow\">Storage Tank Pressure Relief<\/div>\r\n      <h2>Storage Tank Safety Valves and Tank Venting for Atmospheric, Low-Pressure and Pressurized Tanks<\/h2>\r\n      <p>\r\n        Storage tank pressure relief protects fixed-roof tanks, nitrogen-blanketed tanks, low-pressure storage tanks, solvent tanks, chemical tanks, crude oil tanks, diesel tanks, LPG bullets, cryogenic storage packages and process day tanks from overpressure, vacuum damage, fire exposure and unsafe vapor release. Correct selection starts by identifying whether the equipment is an atmospheric tank, low-pressure tank or pressure vessel, then confirming normal venting, emergency venting, vacuum protection, tank design pressure, blanketing pressure, liquid fill\/empty rate, vapor properties, corrosion risk, flame protection, discharge destination and required documentation.\r\n      <\/p>\r\n\r\n      <div class=\"zobai-tank-kpi\">\r\n        <div class=\"zobai-tank-kpi-item\">\r\n          <strong>Core Equipment<\/strong>\r\n          <span>Fixed-roof tanks, solvent tanks, chemical tanks, blanketed tanks and LPG storage<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-kpi-item\">\r\n          <strong>Key Relief Cases<\/strong>\r\n          <span>Inbreathing, outbreathing, fire exposure, overfilling and blocked venting<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-kpi-item\">\r\n          <strong>Engineering Focus<\/strong>\r\n          <span>API 2000 venting, tank pressure, vacuum protection and emergency vent capacity<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-kpi-item\">\r\n          <strong>RFQ Output<\/strong>\r\n          <span>Datasheet, set pressure, vacuum setting, vent capacity, material and documents<\/span>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section zobai-tank-section-soft\">\r\n    <div class=\"zobai-tank-eyebrow\">Tank Applications<\/div>\r\n    <h2 class=\"zobai-tank-title\">Where Safety Valves and Tank Vents Are Used on Storage Tanks<\/h2>\r\n    <p class=\"zobai-tank-lead\">\r\n      Storage tank protection is not one single valve type. Atmospheric tanks usually require pressure\/vacuum relief valves, emergency vents, flame arresters or conservation vents. Low-pressure tanks may require larger capacity venting and gas blanketing review. Pressurized storage vessels require certified safety valves sized by pressure vessel relief cases.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-tank-grid\">\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Atmospheric Fixed-Roof Tanks<\/h3>\r\n        <p>\r\n          Used for crude oil, diesel, fuel oil, solvents, water treatment chemicals and bulk liquids. Protection usually includes normal pressure\/vacuum venting, emergency venting, flame protection and inspection access.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Nitrogen-Blanketed Storage Tanks<\/h3>\r\n        <p>\r\n          Used for solvents, monomers, oxygen-sensitive liquids, API intermediates and specialty chemicals. Relief review should include blanketing regulator failure, inert gas supply rate, vapor return, vacuum protection and emission control.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Low-Pressure Storage Tanks<\/h3>\r\n        <p>\r\n          Used where operating pressure is above simple atmospheric venting but below pressure-vessel service. Valve selection should confirm design pressure, vacuum rating, operating band, vent capacity and discharge destination.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Pressurized LPG and Hydrocarbon Storage<\/h3>\r\n        <p>\r\n          Used on LPG bullets, propane storage, butane storage and pressurized hydrocarbon vessels. These applications require PSV sizing for fire case, vapor pressure rise, overfilling and safe discharge routing.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Chemical and Corrosive Liquid Tanks<\/h3>\r\n        <p>\r\n          Used for acids, alkalis, chlorides, solvents, amines and aggressive chemicals. Material compatibility, vapor toxicity, scrubber back pressure, flame arresting and vent line corrosion should be reviewed.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Cryogenic and Refrigerated Storage<\/h3>\r\n        <p>\r\n          Used for LNG, LPG refrigerated service, liquid nitrogen, liquid oxygen and industrial gas storage. Low-temperature material, boil-off gas, thermal expansion and vacuum-jacket protection should be reviewed.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section\">\r\n    <div class=\"zobai-tank-eyebrow\">Relief Case Analysis<\/div>\r\n    <h2 class=\"zobai-tank-title\">Storage Tank Protection Starts With Normal Venting, Emergency Venting and Vacuum Cases<\/h2>\r\n    <p class=\"zobai-tank-lead\">\r\n      Storage tanks fail differently from pressure vessels. A tank can be damaged by only a small positive pressure or vacuum if it is not designed for it. The protection device must match the tank design pressure, design vacuum, liquid movement rate, vapor generation, fire exposure and venting path.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-tank-flow\">\r\n      <div class=\"zobai-tank-flow-item\">\r\n        <div class=\"zobai-tank-flow-num\">01<\/div>\r\n        <div>\r\n          <h3>Normal Outbreathing During Filling or Heating<\/h3>\r\n          <p>\r\n            When liquid enters a tank or tank contents warm up, vapor and gas must leave the tank. Pressure relief capacity should consider filling rate, thermal outbreathing, vapor pressure and blanketing gas behavior.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-flow-item\">\r\n        <div class=\"zobai-tank-flow-num\">02<\/div>\r\n        <div>\r\n          <h3>Normal Inbreathing During Emptying or Cooling<\/h3>\r\n          <p>\r\n            When liquid is pumped out or tank contents cool down, air or inert gas must enter the tank. Vacuum protection should be sized from pump-out rate, thermal inbreathing and tank vacuum rating.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-flow-item\">\r\n        <div class=\"zobai-tank-flow-num\">03<\/div>\r\n        <div>\r\n          <h3>Emergency Fire Exposure<\/h3>\r\n          <p>\r\n            External fire can heat tank contents and generate vapor quickly. Emergency venting should be reviewed with tank wetted area, liquid properties, insulation, fire exposure basis and discharge direction.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-flow-item\">\r\n        <div class=\"zobai-tank-flow-num\">04<\/div>\r\n        <div>\r\n          <h3>Blanketing Regulator Failure<\/h3>\r\n          <p>\r\n            Nitrogen blanketing protects products but can overpressure a tank if the regulator fails open. Relief capacity should consider maximum inert gas supply and downstream vapor control equipment.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-flow-item\">\r\n        <div class=\"zobai-tank-flow-num\">05<\/div>\r\n        <div>\r\n          <h3>Blocked Vent, Flame Arrester Fouling or Frozen Vent Line<\/h3>\r\n          <p>\r\n            Flame arresters, vapor recovery lines, conservation vents and discharge headers can become restricted by fouling, corrosion, ice, polymer or maintenance isolation. Blocked venting can overpressure or collapse a tank.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-flow-item\">\r\n        <div class=\"zobai-tank-flow-num\">06<\/div>\r\n        <div>\r\n          <h3>Pressurized Storage Vessel Fire Case<\/h3>\r\n          <p>\r\n            LPG bullets and other pressurized storage vessels are usually protected by certified PSVs rather than low-pressure tank vents. Fire case, vapor pressure, MAWP and flare or vent routing must be reviewed together.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section zobai-tank-section-soft\">\r\n    <div class=\"zobai-tank-eyebrow\">Application Case Data<\/div>\r\n    <h2 class=\"zobai-tank-title\">Storage Tank Safety Valve and Venting Application Cases with Typical RFQ Data<\/h2>\r\n    <p class=\"zobai-tank-lead\">\r\n      These cases show how storage tank relief requirements are commonly described before model selection. Final sizing must be confirmed by tank datasheet, liquid properties, fill\/empty rates, applicable standard, verified venting calculation and site safety review.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-tank-grid\">\r\n      <div class=\"zobai-tank-case zobai-tank-span-6\">\r\n        <div class=\"zobai-tank-case-top\">\r\n          <h3>Case 1: Fixed-Roof Diesel Tank Pressure\/Vacuum Relief Valve<\/h3>\r\n          <span class=\"zobai-tank-case-tag\">Normal Venting<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-case-data\">\r\n          <div><b>Protected equipment:<\/b> Aboveground fixed-roof diesel tank<\/div>\r\n          <div><b>Medium:<\/b> Diesel fuel vapor and air<\/div>\r\n          <div><b>Tank type:<\/b> Atmospheric storage tank<\/div>\r\n          <div><b>Pressure setting:<\/b> Tank design pressure basis<\/div>\r\n          <div><b>Vacuum setting:<\/b> Tank design vacuum basis<\/div>\r\n          <div><b>Relief cause:<\/b> Filling, emptying and thermal breathing<\/div>\r\n          <div><b>Required data:<\/b> Fill rate, pump-out rate and tank volume<\/div>\r\n          <div><b>Key review:<\/b> API 2000 venting basis, flame protection, seat tightness and weather hood<\/div>\r\n        <\/div>\r\n        <p>\r\n          A fixed-roof tank vent should be sized for both pressure and vacuum service. The correct device protects the tank shell and roof from excessive breathing pressure while limiting vapor loss during normal operation.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-case zobai-tank-span-6\">\r\n        <div class=\"zobai-tank-case-top\">\r\n          <h3>Case 2: Nitrogen-Blanketed Solvent Tank Conservation Vent<\/h3>\r\n          <span class=\"zobai-tank-case-tag\">Blanketed Tank<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-case-data\">\r\n          <div><b>Protected equipment:<\/b> Solvent storage tank with nitrogen blanketing<\/div>\r\n          <div><b>Medium:<\/b> Solvent vapor, nitrogen and air ingress risk<\/div>\r\n          <div><b>Tank type:<\/b> Low-pressure or atmospheric blanketed tank<\/div>\r\n          <div><b>Pressure setting:<\/b> Above blanketing operating pressure<\/div>\r\n          <div><b>Vacuum setting:<\/b> Below normal tank operating band<\/div>\r\n          <div><b>Relief cause:<\/b> Filling, thermal outbreathing or regulator failure<\/div>\r\n          <div><b>Discharge:<\/b> Vapor recovery, carbon bed or safe vent<\/div>\r\n          <div><b>Key review:<\/b> Nitrogen supply rate, VOC control, flame arrester and emission requirement<\/div>\r\n        <\/div>\r\n        <p>\r\n          Blanketed solvent tanks require careful separation between blanketing pressure, conservation vent setting and emergency relief setting. If the settings overlap incorrectly, nitrogen consumption, product oxidation or tank overpressure can occur.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-case zobai-tank-span-6\">\r\n        <div class=\"zobai-tank-case-top\">\r\n          <h3>Case 3: Chemical Acid Tank Corrosion-Resistant Vent<\/h3>\r\n          <span class=\"zobai-tank-case-tag\">Corrosive Vapor<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-case-data\">\r\n          <div><b>Protected equipment:<\/b> Hydrochloric acid or sulfuric acid storage tank<\/div>\r\n          <div><b>Medium:<\/b> Acid vapor, air and possible mist carryover<\/div>\r\n          <div><b>Tank type:<\/b> Atmospheric chemical storage tank<\/div>\r\n          <div><b>Pressure setting:<\/b> Tank datasheet value<\/div>\r\n          <div><b>Vacuum setting:<\/b> Tank datasheet value<\/div>\r\n          <div><b>Relief cause:<\/b> Filling, pump-out, thermal breathing and scrubber restriction<\/div>\r\n          <div><b>Discharge:<\/b> Scrubber or safe chemical vent line<\/div>\r\n          <div><b>Key review:<\/b> PTFE, FRP, PVC, alloy or lined material compatibility and vent corrosion<\/div>\r\n        <\/div>\r\n        <p>\r\n          Corrosive tank venting should not be selected from pressure setting only. Vapor corrosion, scrubber pressure drop, condensation, mist carryover and vent line material can decide the correct configuration.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-case zobai-tank-span-6\">\r\n        <div class=\"zobai-tank-case-top\">\r\n          <h3>Case 4: Emergency Vent for Flammable Liquid Storage Tank<\/h3>\r\n          <span class=\"zobai-tank-case-tag\">Fire Exposure<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-case-data\">\r\n          <div><b>Protected equipment:<\/b> Aboveground flammable liquid storage tank<\/div>\r\n          <div><b>Medium:<\/b> Hydrocarbon vapor and liquid<\/div>\r\n          <div><b>Tank type:<\/b> Fixed-roof atmospheric tank<\/div>\r\n          <div><b>Relief cause:<\/b> External fire exposure<\/div>\r\n          <div><b>Required data:<\/b> Tank diameter, shell height, wetted area and fluid properties<\/div>\r\n          <div><b>Discharge:<\/b> Emergency vent to safe location<\/div>\r\n          <div><b>Device type:<\/b> Emergency pressure relief vent or manway-style emergency vent<\/div>\r\n          <div><b>Key review:<\/b> Fire-case capacity, flame protection, roof design and emergency vent certification<\/div>\r\n        <\/div>\r\n        <p>\r\n          Emergency venting is separate from normal breathing. A normal P\/V vent may not have enough capacity for fire exposure, so emergency vent capacity should be reviewed independently.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-case zobai-tank-span-6\">\r\n        <div class=\"zobai-tank-case-top\">\r\n          <h3>Case 5: LPG Bullet Storage PSV<\/h3>\r\n          <span class=\"zobai-tank-case-tag\">Pressurized Storage<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-case-data\">\r\n          <div><b>Protected equipment:<\/b> LPG bullet or pressurized propane storage vessel<\/div>\r\n          <div><b>Medium:<\/b> Propane, butane or mixed LPG<\/div>\r\n          <div><b>Tank type:<\/b> Pressure vessel storage<\/div>\r\n          <div><b>Set pressure:<\/b> Vessel MAWP-based value<\/div>\r\n          <div><b>Relief cause:<\/b> Fire exposure, heat input or overfilling<\/div>\r\n          <div><b>Required data:<\/b> MAWP, wetted surface, fluid composition and required capacity<\/div>\r\n          <div><b>Discharge:<\/b> Elevated safe discharge or flare system<\/div>\r\n          <div><b>Key review:<\/b> Certified PSV capacity, vapor pressure, reaction force and outlet piping<\/div>\r\n        <\/div>\r\n        <p>\r\n          Pressurized LPG storage is not protected by a simple tank breather vent. It requires pressure vessel PSV selection based on MAWP, fire case and certified relieving capacity.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-case zobai-tank-span-6\">\r\n        <div class=\"zobai-tank-case-top\">\r\n          <h3>Case 6: Cryogenic Liquid Storage Tank Relief System<\/h3>\r\n          <span class=\"zobai-tank-case-tag\">Cryogenic Storage<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-tank-case-data\">\r\n          <div><b>Protected equipment:<\/b> LNG, LN\u2082, LOX or cryogenic liquid storage package<\/div>\r\n          <div><b>Medium:<\/b> Cryogenic liquid and cold vapor<\/div>\r\n          <div><b>Tank type:<\/b> Refrigerated or vacuum-insulated storage system<\/div>\r\n          <div><b>Set pressure:<\/b> Tank or inner vessel design basis<\/div>\r\n          <div><b>Relief cause:<\/b> Boil-off gas, heat leak or blocked outlet<\/div>\r\n          <div><b>Relieving temperature:<\/b> Cryogenic vapor condition<\/div>\r\n          <div><b>Discharge:<\/b> Safe cold vapor vent system<\/div>\r\n          <div><b>Key review:<\/b> Low-temperature material, dual relief arrangement, isolation procedure and vent icing<\/div>\r\n        <\/div>\r\n        <p>\r\n          Cryogenic storage relief must consider low-temperature material, cold vapor dispersion and blocked vent risk. Outlet icing and isolation valve management are important for safe operation.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section\">\r\n    <div class=\"zobai-tank-eyebrow\">Service Data Matrix<\/div>\r\n    <h2 class=\"zobai-tank-title\">Storage Tank Relief and Venting Data Matrix<\/h2>\r\n\r\n    <div class=\"zobai-tank-table-wrap\">\r\n      <table class=\"zobai-tank-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Tank Type<\/th>\r\n            <th>Typical Medium<\/th>\r\n            <th>Common Relief \/ Venting Case<\/th>\r\n            <th>Required Engineering Check<\/th>\r\n            <th>Recommended Device Review<\/th>\r\n            <th>Risk if Missed<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Atmospheric fixed-roof tank<\/td>\r\n            <td>Diesel, crude oil, fuel oil, water, low-volatility liquids<\/td>\r\n            <td>Filling, emptying, thermal breathing and emergency fire case<\/td>\r\n            <td>Fill rate, pump-out rate, tank pressure\/vacuum rating and wetted area<\/td>\r\n            <td>Pressure\/vacuum relief valve plus emergency vent where required<\/td>\r\n            <td>Tank roof damage, shell deformation or excessive vapor loss<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Nitrogen-blanketed tank<\/td>\r\n            <td>Solvent, monomer, API intermediate, oxygen-sensitive liquid<\/td>\r\n            <td>Blanketing regulator failure, thermal outbreathing and vacuum inbreathing<\/td>\r\n            <td>Blanketing pressure, nitrogen supply capacity, VOC control and vent setting<\/td>\r\n            <td>Conservation vent, vacuum relief and emergency relief review<\/td>\r\n            <td>Tank overpressure, product oxidation or high nitrogen consumption<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Chemical storage tank<\/td>\r\n            <td>Acid, alkali, amine, chloride, solvent or toxic vapor<\/td>\r\n            <td>Filling, pump-out, thermal breathing and scrubber restriction<\/td>\r\n            <td>Material compatibility, scrubber back pressure, corrosion and toxicity<\/td>\r\n            <td>Corrosion-resistant tank vent, flame arrester or scrubber-connected vent<\/td>\r\n            <td>Vent corrosion, toxic release or blocked vent line<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Low-pressure storage tank<\/td>\r\n            <td>Volatile liquid, refrigerated liquid, hydrocarbon vapor<\/td>\r\n            <td>Thermal breathing, vapor generation, fire exposure and pressure control failure<\/td>\r\n            <td>Design pressure, design vacuum, vapor generation rate and relief path<\/td>\r\n            <td>Low-pressure relief valve, vacuum breaker and emergency vent system<\/td>\r\n            <td>Tank buckling, overpressure or vapor cloud release<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Pressurized storage vessel<\/td>\r\n            <td>LPG, propane, butane, ammonia, compressed gas<\/td>\r\n            <td>Fire exposure, overfilling, regulator failure and vapor pressure rise<\/td>\r\n            <td>MAWP, required capacity, wetted surface, vapor pressure and discharge reaction<\/td>\r\n            <td>Certified PSV sized as pressure vessel protection<\/td>\r\n            <td>Undersized relief, vessel overpressure or unsafe flammable discharge<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Cryogenic storage tank<\/td>\r\n            <td>LNG, LN\u2082, LOX, LAr, cryogenic vapor<\/td>\r\n            <td>Boil-off gas, heat leak, blocked outlet and trapped liquid expansion<\/td>\r\n            <td>Low-temperature material, BOG capacity, vent icing and safe cold vapor routing<\/td>\r\n            <td>Cryogenic safety valve, thermal relief valve and dual relief arrangement<\/td>\r\n            <td>Cold embrittlement, overpressure or blocked icy discharge<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section zobai-tank-section-soft\">\r\n    <div class=\"zobai-tank-eyebrow\">Selection Framework<\/div>\r\n    <h2 class=\"zobai-tank-title\">How to Specify a Storage Tank Safety Valve or Vent Correctly<\/h2>\r\n\r\n    <div class=\"zobai-tank-grid\">\r\n      <div class=\"zobai-tank-card zobai-tank-span-6\">\r\n        <h3>1. Identify the tank design category<\/h3>\r\n        <p>\r\n          First confirm whether the equipment is an atmospheric tank, low-pressure tank, refrigerated tank, cryogenic storage package or pressurized storage vessel. This decision changes the applicable venting method, device type and sizing basis.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-6\">\r\n        <h3>2. Confirm tank design pressure and vacuum rating<\/h3>\r\n        <p>\r\n          Storage tanks can be sensitive to small pressure or vacuum changes. Confirm design pressure, design vacuum, normal operating pressure, blanketing pressure, emergency pressure limit and roof design before choosing settings.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-6\">\r\n        <h3>3. Define normal venting demand<\/h3>\r\n        <p>\r\n          Normal outbreathing and inbreathing are driven by fill rate, pump-out rate, thermal expansion, temperature change, vapor pressure and blanketing gas. Both pressure and vacuum directions must be checked.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-6\">\r\n        <h3>4. Define emergency venting demand<\/h3>\r\n        <p>\r\n          Fire exposure, regulator failure, blocked vapor recovery, overfilling or vapor generation can exceed normal breathing demand. Emergency vents or certified PSVs should be reviewed separately from conservation vents.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-6\">\r\n        <h3>5. Review material, flame protection and emissions<\/h3>\r\n        <p>\r\n          Flammable, corrosive, toxic, oxygen-sensitive and volatile liquids require review of flame arresters, material compatibility, soft seats, coatings, VOC control, scrubber connection and vapor recovery back pressure.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-6\">\r\n        <h3>6. Confirm installation and document requirements<\/h3>\r\n        <p>\r\n          Tank vents and safety valves should be specified with connection size, set pressure, vacuum setting, capacity, material, gasket, screen, weather hood, flame arrester interface, test report and tag documentation.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section\">\r\n    <div class=\"zobai-tank-eyebrow\">Installation & Discharge<\/div>\r\n    <h2 class=\"zobai-tank-title\">Storage Tank Relief Devices Must Be Reviewed With Vapor Recovery, Scrubber and Emergency Vent Paths<\/h2>\r\n\r\n    <div class=\"zobai-tank-grid\">\r\n      <div class=\"zobai-tank-card zobai-tank-span-7\">\r\n        <h3>Why tank vent installation changes protection performance<\/h3>\r\n        <p>\r\n          Storage tank protection depends on the whole vent path. A correctly sized device can still fail to protect the tank if a flame arrester is fouled, a vapor recovery line is blocked, a scrubber creates excessive back pressure, a bird screen freezes, or a roof nozzle is isolated during maintenance.\r\n        <\/p>\r\n        <p>\r\n          Installation should review tank nozzle location, vent verticality, weather protection, flame arrester pressure drop, vacuum path, emergency vent accessibility, condensate drainage, corrosion allowance, roof loading, inspection access and discharge direction away from personnel, ignition sources and air intakes.\r\n        <\/p>\r\n        <div class=\"zobai-tank-chip-row\">\r\n          <span class=\"zobai-tank-chip\">API 2000 Venting<\/span>\r\n          <span class=\"zobai-tank-chip\">Pressure \/ Vacuum Relief<\/span>\r\n          <span class=\"zobai-tank-chip\">Emergency Venting<\/span>\r\n          <span class=\"zobai-tank-chip\">Flame Arrester<\/span>\r\n          <span class=\"zobai-tank-chip\">Nitrogen Blanketing<\/span>\r\n          <span class=\"zobai-tank-chip\">Vapor Recovery<\/span>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-5\">\r\n        <h3>Field installation checks<\/h3>\r\n        <ul class=\"zobai-tank-list\">\r\n          <li>Confirm tank design pressure and vacuum rating before setting selection.<\/li>\r\n          <li>Size both pressure outbreathing and vacuum inbreathing capacity.<\/li>\r\n          <li>Check emergency vent capacity separately from normal breathing capacity.<\/li>\r\n          <li>Review flame arrester pressure drop, fouling risk and inspection interval.<\/li>\r\n          <li>Route flammable, toxic or corrosive vapor to a safe vent, scrubber or recovery system.<\/li>\r\n          <li>Avoid blocked bird screens, frozen vent lines and condensate pockets.<\/li>\r\n          <li>Provide access for inspection, cleaning, testing and emergency vent maintenance.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section zobai-tank-section-soft\">\r\n    <div class=\"zobai-tank-eyebrow\">Standards & Documentation<\/div>\r\n    <h2 class=\"zobai-tank-title\">Standards and Documents to Confirm Before Ordering<\/h2>\r\n\r\n    <div class=\"zobai-tank-grid\">\r\n      <div class=\"zobai-tank-card zobai-tank-span-6\">\r\n        <h3>Common storage tank references<\/h3>\r\n        <p>\r\n          Storage tank relief specifications may reference API, ISO, EN, NFPA, ASME, GB, local environmental rules, fire codes, owner specifications and tank farm standards. The applicable document set should be confirmed before quotation.\r\n        <\/p>\r\n        <ul class=\"zobai-tank-list\">\r\n          <li><a href=\"\/standards\/api-2000\/\">API 2000<\/a> for venting atmospheric and low-pressure storage tanks.<\/li>\r\n          <li><a href=\"\/standards\/api-650\/\">API 650<\/a> for welded tanks for oil storage where the tank is designed under this standard.<\/li>\r\n          <li><a href=\"\/standards\/api-620\/\">API 620<\/a> for large welded low-pressure storage tank projects where specified.<\/li>\r\n          <li><a href=\"\/standards\/api-653\/\">API 653<\/a> where in-service aboveground tank inspection, repair or alteration requirements are part of the project context.<\/li>\r\n          <li><a href=\"\/standards\/nfpa-30\/\">NFPA 30<\/a> where flammable and combustible liquid storage requirements are specified.<\/li>\r\n          <li><a href=\"\/standards\/asme-section-viii\/\">ASME Section VIII<\/a> where the storage equipment is a pressure vessel rather than an atmospheric tank.<\/li>\r\n          <li>Owner specifications for tank blanketing, VOC control, flame arresters, emergency venting, scrubbers and corrosive vapor service.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-6\">\r\n        <h3>Typical document package<\/h3>\r\n        <p>\r\n          Documentation should be agreed before manufacturing, especially for tank farms, chemical storage, solvent tanks, LNG\/LPG storage, emergency vents, flame arrester interfaces and regulated emission systems.\r\n        <\/p>\r\n        <ul class=\"zobai-tank-list\">\r\n          <li>Technical datasheet with device type, size, connection, pressure setting and vacuum setting.<\/li>\r\n          <li>Normal venting and emergency venting capacity confirmation.<\/li>\r\n          <li>Material certificate for body, trim, pallet, seat, spring and fasteners when specified.<\/li>\r\n          <li>Set pressure and vacuum setting test report when required.<\/li>\r\n          <li>Flow test, leakage test or bench test report when specified.<\/li>\r\n          <li>Flame arrester compatibility or pressure drop data when required.<\/li>\r\n          <li>General arrangement drawing, dimension, weight and nozzle orientation.<\/li>\r\n          <li>Tag number, nameplate, coating, packaging and project marking confirmation.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section\">\r\n    <div class=\"zobai-tank-eyebrow\">RFQ Checklist<\/div>\r\n    <h2 class=\"zobai-tank-title\">Storage Tank Safety Valve and Vent RFQ Data Checklist<\/h2>\r\n\r\n    <div class=\"zobai-tank-table-wrap\">\r\n      <table class=\"zobai-tank-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>Tank type<\/td>\r\n            <td>Defines whether the device is a tank vent, emergency vent or certified PSV.<\/td>\r\n            <td>API 650 tank, API 620 tank, blanketed tank, LPG bullet, cryogenic tank<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Tank design pressure \/ vacuum<\/td>\r\n            <td>Defines the pressure and vacuum limits to protect.<\/td>\r\n            <td>+20 mbar \/ -5 mbar, +56 mbar \/ -6 mbar, MAWP 16 barg<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Set pressure and vacuum setting<\/td>\r\n            <td>Defines device opening points and operating band.<\/td>\r\n            <td>Pressure 15 mbar, vacuum -3 mbar, PSV 10 barg<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Medium and vapor properties<\/td>\r\n            <td>Affects capacity, material, flame protection and emission control.<\/td>\r\n            <td>Diesel vapor, solvent vapor, nitrogen, LPG, HCl vapor, LNG boil-off gas<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Fill rate and pump-out rate<\/td>\r\n            <td>Determines normal outbreathing and inbreathing demand.<\/td>\r\n            <td>300 m\u00b3\/h filling, 250 m\u00b3\/h pump-out, truck loading rate<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Thermal breathing basis<\/td>\r\n            <td>Determines vent demand from ambient temperature change and solar heating.<\/td>\r\n            <td>Outdoor tank farm, tropical climate, winter service, insulated tank<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Emergency venting basis<\/td>\r\n            <td>Determines fire-case or emergency relief capacity.<\/td>\r\n            <td>Tank diameter, shell height, wetted area, fluid properties, fire case<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Blanketing system data<\/td>\r\n            <td>Checks regulator failure and nitrogen consumption risk.<\/td>\r\n            <td>Nitrogen supply pressure, regulator capacity, blanketing set pressure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Discharge destination<\/td>\r\n            <td>Determines back pressure, toxicity control and safe venting.<\/td>\r\n            <td>Atmosphere, flame arrester, vapor recovery, carbon bed, scrubber, flare<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Material and corrosion requirement<\/td>\r\n            <td>Prevents corrosion, sticking, leakage and contamination.<\/td>\r\n            <td>Aluminum, carbon steel, 304SS, 316SS, PTFE seat, FRP\/PVC-lined vent<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Connection and mounting<\/td>\r\n            <td>Ensures compatibility with tank nozzle and maintenance access.<\/td>\r\n            <td>Flange, threaded, clamp, manway emergency vent, roof nozzle orientation<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required documents<\/td>\r\n            <td>Avoids procurement, inspection and commissioning delays.<\/td>\r\n            <td>Datasheet, drawing, material record, setting test, capacity confirmation, tag list<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n\r\n    <p class=\"zobai-tank-note\">\r\n      Final selection must be confirmed by tank datasheet, design pressure, design vacuum, fill and empty rates, fluid properties, applicable standard, verified venting basis and engineering review.\r\n    <\/p>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section zobai-tank-section-soft\">\r\n    <div class=\"zobai-tank-eyebrow\">Selection Errors<\/div>\r\n    <h2 class=\"zobai-tank-title\">Common Storage Tank Relief and Venting Selection Mistakes<\/h2>\r\n\r\n    <div class=\"zobai-tank-grid\">\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Treating every storage tank as a pressure vessel<\/h3>\r\n        <p>\r\n          Atmospheric tanks usually need P\/V venting and emergency venting, while pressurized storage vessels need certified PSVs. Device type must match tank design category.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Checking pressure relief but ignoring vacuum<\/h3>\r\n        <p>\r\n          Pump-out or rapid cooling can collapse a tank if vacuum inbreathing is undersized. Vacuum setting and inbreathing capacity must be reviewed together.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Using normal venting for fire case<\/h3>\r\n        <p>\r\n          Normal breathing capacity is not the same as emergency venting capacity. Fire exposure should be reviewed separately with tank and liquid data.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Ignoring flame arrester pressure drop<\/h3>\r\n        <p>\r\n          A flame arrester can add pressure drop and can foul in service. It should be included in the venting path and maintenance plan.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Forgetting blanketing regulator failure<\/h3>\r\n        <p>\r\n          Nitrogen blanketing can protect product quality but may overpressure a tank if regulator failure is not included in relief review.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-card zobai-tank-span-4\">\r\n        <h3>Wrong material for corrosive vapor<\/h3>\r\n        <p>\r\n          Acid vapor, chloride vapor, amine, caustic and solvent service can damage seats, springs, screens and bodies. Material should follow vapor chemistry, not only liquid name.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section\">\r\n    <div class=\"zobai-tank-eyebrow\">Related Engineering Resources<\/div>\r\n    <h2 class=\"zobai-tank-title\">Continue Your Storage Tank Pressure Relief Review<\/h2>\r\n    <p class=\"zobai-tank-lead\">\r\n      These related pages help move from storage tank application requirements to detailed tank venting, safety valve sizing, material review and documentation preparation.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-tank-link-grid\">\r\n      <a class=\"zobai-tank-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 pressure relief devices by medium, pressure, capacity, material and installation condition.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-tank-link-card\" href=\"\/engineering\/safety-valve-sizing\/\">\r\n        <strong>Safety Valve Sizing<\/strong>\r\n        <span>Review required capacity, orifice selection, pressure data and sizing inputs before RFQ.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-tank-link-card\" href=\"\/engineering\/tank-venting-api-2000\/\">\r\n        <strong>Tank Venting and API 2000<\/strong>\r\n        <span>For normal venting, emergency venting, thermal breathing and pressure\/vacuum relief review.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-tank-link-card\" href=\"\/products\/pressure-vacuum-relief-valves\/\">\r\n        <strong>Pressure Vacuum Relief Valves<\/strong>\r\n        <span>For atmospheric tanks, low-pressure tanks, conservation vents and blanketed tank systems.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-tank-link-card\" href=\"\/products\/emergency-relief-vents\/\">\r\n        <strong>Emergency Relief Vents<\/strong>\r\n        <span>For fire-case tank emergency venting, manway vents and high-capacity pressure relief.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-tank-link-card\" href=\"\/applications\/corrosive-service\/\">\r\n        <strong>Corrosive Vapor Service<\/strong>\r\n        <span>For acid tanks, alkali tanks, chloride vapor, scrubber-connected vents and special materials.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-tank-link-card\" href=\"\/medium\/lpg\/\">\r\n        <strong>LPG Safety Valves<\/strong>\r\n        <span>For LPG bullets, propane storage, butane storage, fire-case PSVs and safe discharge routing.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-tank-link-card\" href=\"\/applications\/cryogenic-service\/\">\r\n        <strong>Cryogenic Safety Valves<\/strong>\r\n        <span>For LNG, liquid nitrogen, liquid oxygen, boil-off gas and low-temperature storage protection.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-tank-link-card\" href=\"\/standards\/api-2000\/\">\r\n        <strong>API 2000 Tank Venting<\/strong>\r\n        <span>Review storage tank normal venting, emergency venting and pressure\/vacuum protection basis.<\/span>\r\n      <\/a>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section zobai-tank-section-soft\">\r\n    <div class=\"zobai-tank-eyebrow\">FAQ<\/div>\r\n    <h2 class=\"zobai-tank-title\">Storage Tank Safety Valve and Venting FAQ<\/h2>\r\n\r\n    <div class=\"zobai-tank-accordion\" data-zobai-tank-accordion>\r\n      <div class=\"zobai-tank-acc-item is-open\">\r\n        <button class=\"zobai-tank-acc-btn\" type=\"button\">What is the difference between a tank vent and a safety valve? <span>+<\/span><\/button>\r\n        <div class=\"zobai-tank-acc-body\">\r\n          Atmospheric and low-pressure storage tanks usually use pressure\/vacuum relief valves, conservation vents and emergency vents. Pressurized storage vessels use certified safety valves or PSVs. The correct device depends on tank design pressure, design vacuum and applicable standard.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-acc-item\">\r\n        <button class=\"zobai-tank-acc-btn\" type=\"button\">Why does a storage tank need vacuum protection? <span>+<\/span><\/button>\r\n        <div class=\"zobai-tank-acc-body\">\r\n          A tank can experience vacuum when liquid is pumped out, vapor condenses or ambient temperature drops. If inbreathing capacity is not enough, the tank roof or shell can deform or collapse.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-acc-item\">\r\n        <button class=\"zobai-tank-acc-btn\" type=\"button\">Is normal tank breathing capacity enough for fire exposure? <span>+<\/span><\/button>\r\n        <div class=\"zobai-tank-acc-body\">\r\n          No. Normal breathing covers filling, emptying and thermal breathing. Fire exposure can create much larger vapor generation, so emergency venting should be reviewed separately.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-acc-item\">\r\n        <button class=\"zobai-tank-acc-btn\" type=\"button\">What data is required for a storage tank vent quotation? <span>+<\/span><\/button>\r\n        <div class=\"zobai-tank-acc-body\">\r\n          Provide tank type, design pressure, design vacuum, pressure setting, vacuum setting, medium, fill rate, pump-out rate, thermal breathing basis, emergency venting basis, discharge destination, material requirement, connection and required documents.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-acc-item\">\r\n        <button class=\"zobai-tank-acc-btn\" type=\"button\">When does a storage tank need a flame arrester? <span>+<\/span><\/button>\r\n        <div class=\"zobai-tank-acc-body\">\r\n          A flame arrester may be required when flammable vapor can be present and the vent path must prevent flame propagation. The final need depends on fluid, tank system, vent location, ignition risk and applicable site standard.\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-tank-section\">\r\n    <div class=\"zobai-tank-rfq\">\r\n      <div>\r\n        <div class=\"zobai-tank-eyebrow\">Engineering RFQ Support<\/div>\r\n        <h2>Prepare a Complete Storage Tank Venting Datasheet Before Quotation<\/h2>\r\n        <p>\r\n          Send the tank type, design pressure, design vacuum, pressure setting, vacuum setting, medium, fill rate, pump-out rate, thermal breathing basis, emergency venting basis, blanketing data, discharge destination, material requirement, connection standard and required documents. A complete datasheet helps avoid unsafe assumptions and speeds up engineering review.\r\n        <\/p>\r\n        <div class=\"zobai-tank-btn-row\">\r\n          <a class=\"zobai-tank-btn zobai-tank-btn-primary\" href=\"\/contact\/\">Request Engineering Quote<\/a>\r\n          <a class=\"zobai-tank-btn zobai-tank-btn-secondary\" href=\"\/ask-an-engineer\/\">Ask an Engineer<\/a>\r\n          <a class=\"zobai-tank-btn zobai-tank-btn-secondary\" href=\"\/catalog-pdf\/\">Download Catalog PDF<\/a>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-tank-rfq-box\">\r\n        <h3>Minimum RFQ data<\/h3>\r\n        <div class=\"zobai-tank-rfq-grid\">\r\n          <div class=\"zobai-tank-rfq-item\">Tank Type<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Design Pressure<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Design Vacuum<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">P\/V Settings<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Medium<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Fill \/ Empty Rate<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Emergency Case<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Blanketing Data<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Discharge Route<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Material<\/div>\r\n          <div class=\"zobai-tank-rfq-item\">Connection<\/div>\r\n          <div class=\"zobai-tank-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-tank-accordion]');\r\n    accordions.forEach(function (accordion) {\r\n      var items = accordion.querySelectorAll('.zobai-tank-acc-item');\r\n\r\n      items.forEach(function (item) {\r\n        var button = item.querySelector('.zobai-tank-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 difference between a tank vent and a safety valve?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Atmospheric and low-pressure storage tanks usually use pressure\/vacuum relief valves, conservation vents and emergency vents. Pressurized storage vessels use certified safety valves or PSVs. The correct device depends on tank design pressure, design vacuum and applicable standard.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Why does a storage tank need vacuum protection?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"A tank can experience vacuum when liquid is pumped out, vapor condenses or ambient temperature drops. If inbreathing capacity is not enough, the tank roof or shell can deform or collapse.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Is normal tank breathing capacity enough for fire exposure?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"No. Normal breathing covers filling, emptying and thermal breathing. Fire exposure can create much larger vapor generation, so emergency venting should be reviewed separately.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What data is required for a storage tank vent quotation?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Provide tank type, design pressure, design vacuum, pressure setting, vacuum setting, medium, fill rate, pump-out rate, thermal breathing basis, emergency venting basis, discharge destination, material requirement, connection and required documents.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"When does a storage tank need a flame arrester?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"A flame arrester may be required when flammable vapor can be present and the vent path must prevent flame propagation. The final need depends on fluid, tank system, vent location, ignition risk and applicable site standard.\"\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-6e8d5cd2 e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"6e8d5cd2\" 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-55682e6a 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=\"55682e6a\" 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-29042316 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"29042316\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-110debb6 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"110debb6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7a461e0d 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=\"7a461e0d\" 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-70610699 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"70610699\" 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-2c014e78 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"2c014e78\" 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-73d58725 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=\"73d58725\" 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 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2937df45 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"2937df45\" 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-225e3d57 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"225e3d57\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-17a947c8 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"17a947c8\" 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-43905b18 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"43905b18\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b4a3624 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"b4a3624\" 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-34f9984f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"34f9984f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7cf80048 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7cf80048\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22a62164 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"22a62164\" 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-39ad4560 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"39ad4560\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3e77268 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"3e77268\" 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\/storage-tanks\/\">\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-1a9fb817 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"1a9fb817\" 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 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7d664ceb e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"7d664ceb\" 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-66297383 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"66297383\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1dd0473c e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1dd0473c\" 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-4dad626a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4dad626a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6da0c3c6 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"6da0c3c6\" 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-7a6a0e5c e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7a6a0e5c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-65650575 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"65650575\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33c1c47a cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"33c1c47a\" 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-3dcace29 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"3dcace29\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7982a783 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"7982a783\" 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\/storage-tanks\/\">\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-2e787904 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"2e787904\" 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 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2fdc8b78 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"2fdc8b78\" 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-bb6b5a0 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"bb6b5a0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-80ddb9c e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"80ddb9c\" 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-7ef80800 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7ef80800\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5fa67479 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"5fa67479\" 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-769b7e13 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"769b7e13\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-7a88cc5b e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7a88cc5b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ef3f3ff cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"4ef3f3ff\" 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-4c9740e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4c9740e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e1ca03a cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"5e1ca03a\" 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\/storage-tanks\/\">\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-52bcc2e9 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"52bcc2e9\" 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 of 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-32e85877 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"32e85877\" 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-77f88b8a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"77f88b8a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4178c94a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4178c94a\" 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-b82111b e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"b82111b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4283e5a4 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"4283e5a4\" 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-3142e715 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"3142e715\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-35d36229 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"35d36229\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-397bb214 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"397bb214\" 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-590b9f49 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"590b9f49\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4ab7226b cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"4ab7226b\" 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\/storage-tanks\/\">\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-46a4603e cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"46a4603e\" 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=\"Previous\">\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=\"Next\">\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 Storage Tank Safety Valves for Atmospheric, Low-Pressure and Pressurized Tank Systems CONTACT SALES Storage Tank Pressure Relief Storage Tank Safety Valves and Tank Venting for Atmospheric, Low-Pressure and Pressurized Tanks Storage tank pressure relief protects fixed-roof tanks, nitrogen-blanketed tanks, low-pressure storage tanks, solvent tanks, chemical tanks, crude oil tanks, diesel tanks, LPG bullets, cryogenic&#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-53152","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53152","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=53152"}],"version-history":[{"count":4,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53152\/revisions"}],"predecessor-version":[{"id":53157,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53152\/revisions\/53157"}],"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=53152"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}