{"id":53236,"date":"2026-05-15T10:06:33","date_gmt":"2026-05-15T10:06:33","guid":{"rendered":"https:\/\/zobai.com\/?page_id=53236"},"modified":"2026-05-15T10:07:46","modified_gmt":"2026-05-15T10:07:46","slug":"ammonia","status":"publish","type":"page","link":"https:\/\/zobai.com\/ru\/applications\/ammonia\/","title":{"rendered":"\u0410\u043c\u043c\u0438\u0430\u043a"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"53236\" class=\"elementor elementor-53236\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51fe58ea e-con-full e-flex cmsmasters-bg-hide-none cmsmasters-bg-hide-none cmsmasters-block-default e-con e-parent\" data-id=\"51fe58ea\" 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-1120f7de e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1120f7de\" 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-48a73a8b 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=\"48a73a8b\" 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-12eaed46 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"12eaed46\" 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\">Ammonia Safety Valves for Refrigeration, Storage, Compressors, Receivers and Process Systems<\/h1>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6528788c e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6528788c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6ed4e7db 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=\"6ed4e7db\" 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-61e94fd3 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"61e94fd3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-40db43a5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"40db43a5\" 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-f9f9e5b 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=\"f9f9e5b\" 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-543f1bab e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"543f1bab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6657359c cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-html\" data-id=\"6657359c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\r\n  .zobai-nh3-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-nh3-page * { box-sizing: border-box; }\r\n\r\n  .zobai-nh3-section {\r\n    max-width: 100%;\r\n    margin: 0 auto;\r\n    padding: 88px 80px;\r\n  }\r\n\r\n  .zobai-nh3-section-soft { background: #f8faf9; }\r\n\r\n  .zobai-nh3-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-nh3-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-nh3-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-nh3-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-nh3-grid {\r\n    display: grid;\r\n    grid-template-columns: repeat(12, 1fr);\r\n    gap: 28px;\r\n  }\r\n\r\n  .zobai-nh3-span-4 { grid-column: span 4; }\r\n  .zobai-nh3-span-5 { grid-column: span 5; }\r\n  .zobai-nh3-span-6 { grid-column: span 6; }\r\n  .zobai-nh3-span-7 { grid-column: span 7; }\r\n  .zobai-nh3-span-12 { grid-column: span 12; }\r\n\r\n  .zobai-nh3-card,\r\n  .zobai-nh3-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-nh3-card h2,\r\n  .zobai-nh3-card h3,\r\n  .zobai-nh3-case h3 {\r\n    margin: 0 0 14px;\r\n    color: var(--z-ink);\r\n  }\r\n\r\n  .zobai-nh3-card h3,\r\n  .zobai-nh3-case h3 {\r\n    font-size: 24px;\r\n    line-height: 1.25;\r\n  }\r\n\r\n  .zobai-nh3-card p,\r\n  .zobai-nh3-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-nh3-card p:last-child,\r\n  .zobai-nh3-case p:last-child { margin-bottom: 0; }\r\n\r\n  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24px;\r\n    padding: 28px;\r\n  }\r\n\r\n  .zobai-nh3-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-nh3-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-nh3-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-nh3-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-nh3-case-data b { color: var(--z-ink); }\r\n\r\n  .zobai-nh3-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-nh3-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-nh3-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-nh3-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-nh3-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-nh3-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-nh3-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-nh3-accordion { display: grid; gap: 14px; }\r\n\r\n  .zobai-nh3-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-nh3-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-nh3-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-nh3-acc-item.is-open .zobai-nh3-acc-btn span { transform: rotate(45deg); }\r\n\r\n  .zobai-nh3-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-nh3-acc-item.is-open .zobai-nh3-acc-body { display: block; }\r\n\r\n  .zobai-nh3-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-nh3-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-nh3-rfq p 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@media (max-width: 640px) {\r\n    .zobai-nh3-section { padding: 58px 18px; }\r\n\r\n    .zobai-nh3-card,\r\n    .zobai-nh3-hero-panel,\r\n    .zobai-nh3-rfq,\r\n    .zobai-nh3-case {\r\n      padding: 26px 20px;\r\n      border-radius: 24px;\r\n    }\r\n\r\n    .zobai-nh3-flow-item { grid-template-columns: 1fr; }\r\n    .zobai-nh3-case-top { flex-direction: column; }\r\n    .zobai-nh3-case-data { grid-template-columns: 1fr; }\r\n    .zobai-nh3-rfq-grid { grid-template-columns: 1fr; }\r\n  }\r\n<\/style>\r\n\r\n<div class=\"zobai-nh3-page\">\r\n\r\n  <section class=\"zobai-nh3-section\">\r\n    <div class=\"zobai-nh3-hero-panel\">\r\n      <div class=\"zobai-nh3-eyebrow\">Ammonia \/ NH3 Pressure Relief Service<\/div>\r\n      <h2>Ammonia Safety Valves for Refrigeration, Storage, Compressors, Receivers and Process Systems<\/h2>\r\n      <p>\r\n        Ammonia safety valves protect NH3 \/ R717 refrigeration systems, anhydrous ammonia storage vessels, compressor packages, high-pressure receivers, low-pressure receivers, accumulators, condensers, evaporators, recirculators, transfer pumps, liquid lines, vapor headers, ammonia loading skids, fertilizer units and process ammonia systems from overpressure. Correct selection starts with ammonia phase, set pressure, protected equipment MAWP, maximum operating pressure, saturated pressure-temperature relationship, compressor discharge case, blocked outlet case, liquid thermal expansion, fire exposure, toxic discharge routing, back pressure, material compatibility, seat tightness, leakage control and required test documents.\r\n      <\/p>\r\n\r\n      <div class=\"zobai-nh3-kpi\">\r\n        <div class=\"zobai-nh3-kpi-item\">\r\n          <strong>Core Equipment<\/strong>\r\n          <span>Receivers, compressors, condensers, evaporators, pumps, storage tanks and NH3 skids<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-kpi-item\">\r\n          <strong>Key Relief Cases<\/strong>\r\n          <span>Compressor discharge, blocked outlet, thermal expansion, fire case and heat input<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-kpi-item\">\r\n          <strong>Engineering Focus<\/strong>\r\n          <span>Toxic discharge, vapor-liquid phase, seat tightness, materials and safe venting<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-kpi-item\">\r\n          <strong>RFQ Output<\/strong>\r\n          <span>Datasheet, sizing basis, MTC, calibration, pressure test and seat test reports<\/span>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section zobai-nh3-section-soft\">\r\n    <div class=\"zobai-nh3-eyebrow\">Ammonia Applications<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Where Ammonia Safety Valves Are Used<\/h2>\r\n    <p class=\"zobai-nh3-lead\">\r\n      Ammonia relief service can involve toxic vapor, anhydrous liquid ammonia, saturated vapor-liquid mixtures, cold refrigerant and hot compressor discharge gas. A correct ammonia safety valve should be selected for the actual phase, temperature, discharge destination and maintenance philosophy.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-nh3-grid\">\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Industrial Ammonia Refrigeration Systems<\/h3>\r\n        <p>\r\n          Used on high-pressure receivers, low-pressure receivers, surge drums, recirculators, accumulators, evaporators, condensers and refrigeration vessels. Selection should review R717 pressure-temperature condition, trapped liquid, heat input, compressor isolation and toxic relief discharge.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Ammonia Compressors and Discharge Lines<\/h3>\r\n        <p>\r\n          Used on screw compressors, reciprocating compressors, compressor packages, oil separators, discharge headers and intercoolers. Relief review should include compressor capacity, blocked discharge, discharge temperature, vibration, pulsation and vent header pressure.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Anhydrous Ammonia Storage Vessels<\/h3>\r\n        <p>\r\n          Used on storage tanks, bullets, spheres, day tanks and process receivers. Selection should review vessel MAWP, liquid filling limit, fire exposure, vapor generation, emergency relief, multiple valves and discharge to safe vent or scrubber system.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Ammonia Transfer Pumps and Liquid Lines<\/h3>\r\n        <p>\r\n          Used on transfer pumps, liquid feed lines, pump discharge headers, loading skids and isolated pipe sections. Liquid ammonia thermal relief is important where ammonia can be trapped between closed valves and warmed by ambient heat.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Condensers, Evaporators and Heat Exchangers<\/h3>\r\n        <p>\r\n          Used on evaporative condensers, shell-and-tube condensers, plate heat exchangers, ammonia evaporators and chillers. Relief cases include blocked outlet, heat input, tube rupture, liquid overfeed and trapped liquid expansion.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Fertilizer, Chemical and Process Ammonia Units<\/h3>\r\n        <p>\r\n          Used on ammonia synthesis, urea, fertilizer, neutralization, dosing, vaporizer, pressure letdown and process skids. Selection should review anhydrous ammonia, aqueous ammonia, toxic service, corrosion, back pressure and scrubber discharge.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section\">\r\n    <div class=\"zobai-nh3-eyebrow\">Relief Case Analysis<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Ammonia Safety Valve Selection Starts With Phase, Toxic Discharge and Relief Scenario<\/h2>\r\n    <p class=\"zobai-nh3-lead\">\r\n      Ammonia systems can overpressure through compressor blocked discharge, heat input, fire exposure, trapped liquid expansion, blocked vapor outlet, pressure regulator failure or liquid overfeed. Relief valves must be sized from the governing case and installed with a safe discharge route.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-nh3-flow\">\r\n      <div class=\"zobai-nh3-flow-item\">\r\n        <div class=\"zobai-nh3-flow-num\">01<\/div>\r\n        <div>\r\n          <h3>Compressor Blocked Discharge<\/h3>\r\n          <p>\r\n            Ammonia compressors can overpressure discharge lines, oil separators and receivers if the discharge is blocked or capacity control fails. Sizing should review compressor flow, discharge temperature, refrigerant condition and outlet header pressure.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-flow-item\">\r\n        <div class=\"zobai-nh3-flow-num\">02<\/div>\r\n        <div>\r\n          <h3>Blocked-In Liquid Ammonia Thermal Expansion<\/h3>\r\n          <p>\r\n            Liquid ammonia trapped between closed valves can build pressure as temperature rises. Thermal relief should be reviewed on liquid lines, pump discharge sections, loading lines, condensate traps and isolated refrigeration sections.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-flow-item\">\r\n        <div class=\"zobai-nh3-flow-num\">03<\/div>\r\n        <div>\r\n          <h3>Fire Exposure on Storage or Process Vessels<\/h3>\r\n          <p>\r\n            Anhydrous ammonia vessels and process receivers may require large vapor relief capacity during external fire exposure. Fire case review should include wetted area, inventory, relieving pressure, vapor generation and discharge treatment.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-flow-item\">\r\n        <div class=\"zobai-nh3-flow-num\">04<\/div>\r\n        <div>\r\n          <h3>Heat Input to Receivers and Heat Exchangers<\/h3>\r\n          <p>\r\n            Condensers, evaporators, surge drums and heat exchangers can overpressure when heat is added while outlets are blocked or flow is restricted. Phase behavior, liquid carryover and relief header back pressure should be checked.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-flow-item\">\r\n        <div class=\"zobai-nh3-flow-num\">05<\/div>\r\n        <div>\r\n          <h3>Pressure Regulator or Control Valve Failure<\/h3>\r\n          <p>\r\n            Failed-open control valves or pressure regulators can expose lower-rated downstream equipment to higher ammonia pressure. The downstream valve should protect the lowest-rated credible pressure boundary.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-flow-item\">\r\n        <div class=\"zobai-nh3-flow-num\">06<\/div>\r\n        <div>\r\n          <h3>Toxic Relief Discharge and Back Pressure<\/h3>\r\n          <p>\r\n            Ammonia relief discharge may require safe vent stack routing, diffuser, water tank, scrubber, flare or closed relief system depending on project philosophy. Back pressure and toxic exposure control should be reviewed before valve selection.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section zobai-nh3-section-soft\">\r\n    <div class=\"zobai-nh3-eyebrow\">Application Case Data<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Ammonia Safety Valve Application Cases with Typical RFQ Data<\/h2>\r\n    <p class=\"zobai-nh3-lead\">\r\n      These cases show how ammonia safety valve requirements are commonly described before model selection. Final sizing must be confirmed by ammonia phase, protected equipment datasheet, pressure-temperature condition, relief scenario, discharge philosophy and applicable project standard.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-nh3-grid\">\r\n      <div class=\"zobai-nh3-case zobai-nh3-span-6\">\r\n        <div class=\"zobai-nh3-case-top\">\r\n          <h3>Case 1: High-Pressure Ammonia Receiver Safety Valve<\/h3>\r\n          <span class=\"zobai-nh3-case-tag\">R717 Receiver<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-case-data\">\r\n          <div><b>Protected equipment:<\/b> High-pressure receiver or liquid receiver<\/div>\r\n          <div><b>Medium:<\/b> Anhydrous ammonia \/ R717 vapor and liquid<\/div>\r\n          <div><b>Set pressure:<\/b> Receiver MAWP-based value<\/div>\r\n          <div><b>Relief cause:<\/b> Heat input, blocked outlet, fire exposure or overfilling<\/div>\r\n          <div><b>Required data:<\/b> Receiver volume, ammonia inventory, design pressure and operating temperature<\/div>\r\n          <div><b>Discharge:<\/b> Vent stack, diffusion tank, scrubber or approved relief header<\/div>\r\n          <div><b>Valve review:<\/b> Spring-loaded ammonia safety valve with compatible seat and trim<\/div>\r\n          <div><b>Key review:<\/b> Toxic discharge, back pressure, liquid carryover, corrosion and maintenance access<\/div>\r\n        <\/div>\r\n        <p>\r\n          Receiver relief valves should be selected for ammonia phase behavior and safe discharge. Vent routing should protect personnel and avoid routing toxic vapor into enclosed or occupied areas.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-case zobai-nh3-span-6\">\r\n        <div class=\"zobai-nh3-case-top\">\r\n          <h3>Case 2: Ammonia Compressor Discharge Safety Valve<\/h3>\r\n          <span class=\"zobai-nh3-case-tag\">Compressor Protection<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-case-data\">\r\n          <div><b>Protected equipment:<\/b> Compressor discharge line, oil separator or discharge receiver<\/div>\r\n          <div><b>Medium:<\/b> Hot ammonia gas with possible oil carryover<\/div>\r\n          <div><b>Set pressure:<\/b> Compressor package or receiver protection value<\/div>\r\n          <div><b>Relief cause:<\/b> Blocked discharge, control failure or shutoff valve closure<\/div>\r\n          <div><b>Required data:<\/b> Compressor capacity, discharge temperature, gas condition and pressure range<\/div>\r\n          <div><b>Discharge:<\/b> Ammonia relief header, safe vent or treatment system<\/div>\r\n          <div><b>Valve review:<\/b> Gas safety valve with ammonia-compatible materials and seat design<\/div>\r\n          <div><b>Key review:<\/b> Vibration, pulsation, outlet force, back pressure, oil contamination and seat leakage<\/div>\r\n        <\/div>\r\n        <p>\r\n          Compressor relief is often controlled by maximum compressor flow, not normal operating load. Vibration and oil carryover should be considered in valve and installation review.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-case zobai-nh3-span-6\">\r\n        <div class=\"zobai-nh3-case-top\">\r\n          <h3>Case 3: Blocked-In Liquid Ammonia Thermal Relief Valve<\/h3>\r\n          <span class=\"zobai-nh3-case-tag\">Thermal Relief<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-case-data\">\r\n          <div><b>Protected equipment:<\/b> Isolated liquid ammonia line or pump discharge section<\/div>\r\n          <div><b>Medium:<\/b> Liquid ammonia with possible flashing during relief<\/div>\r\n          <div><b>Set pressure:<\/b> Below protected piping design pressure<\/div>\r\n          <div><b>Relief cause:<\/b> Thermal expansion between closed valves<\/div>\r\n          <div><b>Required data:<\/b> Trapped volume, pipe size, temperature range and isolation sequence<\/div>\r\n          <div><b>Discharge:<\/b> Receiver return, suction line, relief header or approved safe destination<\/div>\r\n          <div><b>Valve review:<\/b> Ammonia thermal relief valve with tight shutoff<\/div>\r\n          <div><b>Key review:<\/b> Flashing, return pressure, toxic discharge, seat tightness and frequent cycling<\/div>\r\n        <\/div>\r\n        <p>\r\n          Small trapped ammonia volumes can create high pressure when warmed. Every liquid ammonia section that can be isolated should be checked for thermal relief coverage.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-case zobai-nh3-span-6\">\r\n        <div class=\"zobai-nh3-case-top\">\r\n          <h3>Case 4: Ammonia Condenser or Evaporator Relief Valve<\/h3>\r\n          <span class=\"zobai-nh3-case-tag\">Heat Exchanger Protection<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-case-data\">\r\n          <div><b>Protected equipment:<\/b> Condenser, evaporator, chiller or ammonia heat exchanger<\/div>\r\n          <div><b>Medium:<\/b> Ammonia vapor, liquid ammonia or two-phase refrigerant<\/div>\r\n          <div><b>Set pressure:<\/b> Equipment MAWP-based value<\/div>\r\n          <div><b>Relief cause:<\/b> Heat input, blocked outlet, liquid overfeed or tube rupture<\/div>\r\n          <div><b>Required data:<\/b> Heat duty, ammonia inventory, design pressure and phase condition<\/div>\r\n          <div><b>Discharge:<\/b> Ammonia relief header, safe vent or scrubber system<\/div>\r\n          <div><b>Valve review:<\/b> Ammonia safety valve sized for governing heat input or blocked outlet case<\/div>\r\n          <div><b>Key review:<\/b> Two-phase relief, liquid carryover, toxic venting, corrosion and outlet back pressure<\/div>\r\n        <\/div>\r\n        <p>\r\n          Heat exchangers can relieve vapor, liquid or two-phase ammonia depending on the failure mode. The phase assumption should be confirmed before sizing.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-case zobai-nh3-span-6\">\r\n        <div class=\"zobai-nh3-case-top\">\r\n          <h3>Case 5: Anhydrous Ammonia Storage Tank Safety Valve<\/h3>\r\n          <span class=\"zobai-nh3-case-tag\">Storage \/ Chemical<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-case-data\">\r\n          <div><b>Protected equipment:<\/b> Ammonia storage bullet, sphere or process tank<\/div>\r\n          <div><b>Medium:<\/b> Anhydrous ammonia vapor and liquid<\/div>\r\n          <div><b>Set pressure:<\/b> Storage vessel MAWP-based value<\/div>\r\n          <div><b>Relief cause:<\/b> Fire exposure, blocked vapor outlet, overfilling or heat input<\/div>\r\n          <div><b>Required data:<\/b> Vessel size, fill level, ammonia inventory, design pressure and fire case basis<\/div>\r\n          <div><b>Discharge:<\/b> High vent, water scrubber, flare or approved treatment system<\/div>\r\n          <div><b>Valve review:<\/b> Large-capacity ammonia PSV or multiple valve arrangement<\/div>\r\n          <div><b>Key review:<\/b> Toxic cloud control, emergency relief load, isolation policy and inspection access<\/div>\r\n        <\/div>\r\n        <p>\r\n          Storage tank ammonia relief should be reviewed as a system with emergency discharge, toxic exposure control and maintenance isolation philosophy.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-case zobai-nh3-span-6\">\r\n        <div class=\"zobai-nh3-case-top\">\r\n          <h3>Case 6: Ammonia Refrigeration Skid Relief Valve<\/h3>\r\n          <span class=\"zobai-nh3-case-tag\">Skid Package<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-nh3-case-data\">\r\n          <div><b>Protected equipment:<\/b> Compact refrigeration skid, pump skid or packaged NH3 system<\/div>\r\n          <div><b>Medium:<\/b> R717 vapor, liquid ammonia or two-phase refrigerant<\/div>\r\n          <div><b>Set pressure:<\/b> Skid piping or vessel protection value<\/div>\r\n          <div><b>Relief cause:<\/b> Blocked outlet, trapped liquid, compressor isolation or control failure<\/div>\r\n          <div><b>Required data:<\/b> Skid P&ID, pipe volume, vessel MAWP, compressor data and discharge philosophy<\/div>\r\n          <div><b>Discharge:<\/b> Common relief header, outdoor vent, scrubber or approved ammonia vent line<\/div>\r\n          <div><b>Valve review:<\/b> Compact ammonia safety valve or thermal relief valve combination<\/div>\r\n          <div><b>Key review:<\/b> Compact layout, valve accessibility, toxic vent direction and nearby instruments<\/div>\r\n        <\/div>\r\n        <p>\r\n          Packaged ammonia systems need early relief valve layout review because compact skid designs can make venting, testing and replacement difficult after fabrication.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section\">\r\n    <div class=\"zobai-nh3-eyebrow\">Service Data Matrix<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Ammonia Safety Valve Data Matrix<\/h2>\r\n\r\n    <div class=\"zobai-nh3-table-wrap\">\r\n      <table class=\"zobai-nh3-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Ammonia Service<\/th>\r\n            <th>Typical Medium<\/th>\r\n            <th>Common Relief Cause<\/th>\r\n            <th>Required Engineering Check<\/th>\r\n            <th>Recommended Valve Review<\/th>\r\n            <th>Risk if Missed<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Refrigeration receiver<\/td>\r\n            <td>R717 vapor, liquid ammonia, two-phase refrigerant<\/td>\r\n            <td>Heat input, blocked outlet, overfill, fire case<\/td>\r\n            <td>Receiver MAWP, ammonia inventory, operating temperature, relief header and discharge treatment<\/td>\r\n            <td>Spring-loaded ammonia safety valve with suitable seat and materials<\/td>\r\n            <td>Toxic release, receiver overpressure or unsafe discharge<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Compressor discharge<\/td>\r\n            <td>Hot ammonia gas, oil-contaminated vapor<\/td>\r\n            <td>Blocked discharge, control failure, valve closure<\/td>\r\n            <td>Compressor capacity, discharge temperature, pulsation, vibration and outlet back pressure<\/td>\r\n            <td>Gas PSV for ammonia compressor service<\/td>\r\n            <td>Compressor package overpressure, chatter, leakage or pipe vibration<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Blocked-in liquid line<\/td>\r\n            <td>Liquid ammonia and flashing ammonia<\/td>\r\n            <td>Thermal expansion between closed valves<\/td>\r\n            <td>Trapped volume, temperature rise, return pressure and isolation sequence<\/td>\r\n            <td>Ammonia thermal relief valve with tight shutoff<\/td>\r\n            <td>Rapid pressure rise, line rupture or nuisance ammonia release<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Condenser \/ evaporator<\/td>\r\n            <td>Ammonia vapor, liquid, two-phase mixture<\/td>\r\n            <td>Heat input, blocked outlet, tube rupture, liquid overfeed<\/td>\r\n            <td>Heat duty, phase behavior, equipment MAWP, liquid carryover and toxic discharge route<\/td>\r\n            <td>Ammonia PSV sized for the governing exchanger relief case<\/td>\r\n            <td>Undersized relief, liquid carryover or unsafe toxic venting<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Anhydrous ammonia storage<\/td>\r\n            <td>Ammonia vapor and liquid inventory<\/td>\r\n            <td>Fire exposure, overfill, blocked vapor outlet, heat input<\/td>\r\n            <td>Vessel size, fill level, fire case, emergency discharge and multiple valve arrangement<\/td>\r\n            <td>Large-capacity ammonia PSV or multiple PSV arrangement<\/td>\r\n            <td>Storage vessel overpressure or large toxic release<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Process ammonia \/ aqueous ammonia<\/td>\r\n            <td>Anhydrous ammonia, aqueous ammonia, ammonia vapor<\/td>\r\n            <td>Pump deadhead, heat input, blocked outlet, regulator failure<\/td>\r\n            <td>Concentration, corrosion, vapor pressure, toxicity, material and scrubber back pressure<\/td>\r\n            <td>Compatible PSV, liquid relief valve or bellows PSV depending on service<\/td>\r\n            <td>Corrosion failure, wrong phase sizing or rejected documentation<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section zobai-nh3-section-soft\">\r\n    <div class=\"zobai-nh3-eyebrow\">Selection Framework<\/div>\r\n    <h2 class=\"zobai-nh3-title\">How to Specify an Ammonia Safety Valve Correctly<\/h2>\r\n\r\n    <div class=\"zobai-nh3-grid\">\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-6\">\r\n        <h3>1. Confirm ammonia type and phase<\/h3>\r\n        <p>\r\n          Specify R717 refrigerant, anhydrous ammonia, aqueous ammonia, vapor, liquid, saturated two-phase mixture or hot compressor discharge gas. Phase and temperature determine sizing, materials, discharge piping and valve configuration.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-6\">\r\n        <h3>2. Define protected equipment MAWP and set pressure<\/h3>\r\n        <p>\r\n          Start with receiver MAWP, compressor package rating, storage vessel design pressure, exchanger rating, skid piping pressure or downstream equipment limit. The set pressure should protect the lowest-rated pressure boundary.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-6\">\r\n        <h3>3. Size from the governing relief scenario<\/h3>\r\n        <p>\r\n          Review compressor blocked discharge, heat input, external fire, trapped liquid expansion, blocked outlet, pump deadhead, liquid overfeed and pressure control failure. The highest credible relieving load controls capacity.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-6\">\r\n        <h3>4. Review toxic discharge routing<\/h3>\r\n        <p>\r\n          Ammonia relief should be routed to an approved safe destination such as outdoor vent, common relief header, diffusion tank, scrubber or treatment system. Personnel exposure, wind direction, air intakes and occupied areas must be reviewed.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-6\">\r\n        <h3>5. Select materials and seats for NH3 compatibility<\/h3>\r\n        <p>\r\n          Body, trim, spring, gasket, seat and bolting materials should be compatible with ammonia, temperature, moisture and oil carryover. Copper and copper alloys are generally avoided in ammonia-wetted parts.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-6\">\r\n        <h3>6. Confirm inspection, testing and maintenance access<\/h3>\r\n        <p>\r\n          Ammonia valves often require periodic testing, replacement, isolation management and leakage control. RFQ documents should define calibration, seat tightness, material certificates, spare valve strategy and safe removal access.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section\">\r\n    <div class=\"zobai-nh3-eyebrow\">Installation & Discharge<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Ammonia Relief Valves Must Be Reviewed With Vent Headers, Toxic Exposure, Back Pressure and Liquid Trapping<\/h2>\r\n\r\n    <div class=\"zobai-nh3-grid\">\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-7\">\r\n        <h3>Why ammonia relief valve installation controls real safety<\/h3>\r\n        <p>\r\n          Ammonia relief performance depends on the full relief path. A correctly sized valve can still create risk if the vent header creates excessive back pressure, the outlet points toward operators, the valve discharges near air intakes, isolated liquid sections lack thermal relief, or liquid ammonia can collect in low points.\r\n        <\/p>\r\n        <p>\r\n          Installation should review inlet pressure loss, valve orientation, relief header capacity, outlet support, common vent header back pressure, vent stack height, toxic plume direction, diffusion tank or scrubber sizing, liquid pocket drainage, trapped liquid sections, compressor vibration, isolation valve policy, tag visibility, test access and safe removal clearance.\r\n        <\/p>\r\n        <div class=\"zobai-nh3-chip-row\">\r\n          <span class=\"zobai-nh3-chip\">NH3 \/ R717<\/span>\r\n          <span class=\"zobai-nh3-chip\">Anhydrous Ammonia<\/span>\r\n          <span class=\"zobai-nh3-chip\">Thermal Relief<\/span>\r\n          <span class=\"zobai-nh3-chip\">Compressor Discharge<\/span>\r\n          <span class=\"zobai-nh3-chip\">Toxic Venting<\/span>\r\n          <span class=\"zobai-nh3-chip\">Receiver Protection<\/span>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-5\">\r\n        <h3>Field installation checks<\/h3>\r\n        <ul class=\"zobai-nh3-list\">\r\n          <li>Confirm set pressure, protected equipment MAWP and ammonia phase before installation.<\/li>\r\n          <li>Check every isolated liquid ammonia section for thermal relief coverage.<\/li>\r\n          <li>Keep inlet pressure loss within the project design limit.<\/li>\r\n          <li>Route ammonia discharge to an approved vent, relief header, scrubber or treatment system.<\/li>\r\n          <li>Check relief header or scrubber back pressure under simultaneous relief conditions.<\/li>\r\n          <li>Avoid venting toward operators, platforms, air intakes, doors, occupied areas and enclosed spaces.<\/li>\r\n          <li>Provide safe access for calibration, replacement, inspection and seat tightness testing.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section zobai-nh3-section-soft\">\r\n    <div class=\"zobai-nh3-eyebrow\">Standards & Documentation<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Standards and Documents to Confirm Before Ordering<\/h2>\r\n\r\n    <div class=\"zobai-nh3-grid\">\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-6\">\r\n        <h3>Common ammonia relief references<\/h3>\r\n        <p>\r\n          Ammonia safety valve specifications may reference IIAR, ASME, API, ISO, EN, GB, local refrigeration rules, pressure equipment regulations, PSM requirements, owner ammonia refrigeration standards and project relief philosophy.\r\n        <\/p>\r\n        <ul class=\"zobai-nh3-list\">\r\n          <li><a href=\"\/standards\/iiar-2\/\">ANSI\/IIAR 2<\/a> for safe design of closed-circuit ammonia refrigeration systems where specified by the project.<\/li>\r\n          <li><a href=\"\/standards\/iiar-9\/\">ANSI\/IIAR 9<\/a> for minimum system safety requirements for existing closed-circuit ammonia refrigeration systems where specified.<\/li>\r\n          <li><a href=\"\/standards\/api-520\/\">API 520<\/a> for pressure-relieving device sizing and selection reference where required.<\/li>\r\n          <li><a href=\"\/standards\/api-521\/\">API 521<\/a> for pressure-relieving and depressuring system review, including fire case, relief header and discharge treatment.<\/li>\r\n          <li><a href=\"\/standards\/asme-section-viii\/\">ASME BPVC Section VIII<\/a> where ammonia receivers, storage vessels, accumulators or heat exchangers are pressure vessels.<\/li>\r\n          <li><a href=\"\/standards\/asme-b31-3\/\">ASME B31.3<\/a> where process ammonia piping, chemical plant piping or skid piping is specified.<\/li>\r\n          <li><a href=\"\/standards\/api-527\/\">API 527<\/a> when seat tightness testing is required by the project specification.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-6\">\r\n        <h3>Typical ammonia valve document package<\/h3>\r\n        <p>\r\n          Documentation should be agreed before manufacturing, especially for industrial refrigeration plants, cold storage facilities, food processing plants, fertilizer units, chemical plants, ammonia storage and EPC export projects.\r\n        <\/p>\r\n        <ul class=\"zobai-nh3-list\">\r\n          <li>Technical datasheet with tag number, model, size, orifice, set pressure and connection.<\/li>\r\n          <li>Sizing calculation or certified relieving capacity confirmation.<\/li>\r\n          <li>Ammonia phase, operating temperature, relieving temperature and relief scenario basis.<\/li>\r\n          <li>Set pressure calibration certificate, pressure test report and seat tightness test report.<\/li>\r\n          <li>Material certificate for body, bonnet, nozzle, disc, trim, spring and pressure-retaining parts.<\/li>\r\n          <li>Compatibility statement for ammonia wetted parts and seat materials when specified.<\/li>\r\n          <li>General arrangement drawing with dimensions, weight, outlet orientation and maintenance clearance.<\/li>\r\n          <li>Nameplate, tag list, spare parts list, inspection witness record and packing record when required.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section\">\r\n    <div class=\"zobai-nh3-eyebrow\">RFQ Checklist<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Ammonia Safety Valve RFQ Data Checklist<\/h2>\r\n\r\n    <div class=\"zobai-nh3-table-wrap\">\r\n      <table class=\"zobai-nh3-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Required Data<\/th>\r\n            <th>Why It Matters<\/th>\r\n            <th>Example Input<\/th>\r\n          <\/tr>\r\n        <\/thead>\r\n        <tbody>\r\n          <tr>\r\n            <td>Protected equipment<\/td>\r\n            <td>Defines pressure boundary, code basis and set pressure limit.<\/td>\r\n            <td>Receiver, compressor discharge line, condenser, evaporator, storage tank, pump line, refrigeration skid<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>MAWP \/ design pressure<\/td>\r\n            <td>Defines the maximum pressure the valve must protect.<\/td>\r\n            <td>10 barg, 16 barg, 25 barg, 300 psi, vessel MAWP value, skid design pressure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Set pressure<\/td>\r\n            <td>Defines valve opening pressure and capacity basis.<\/td>\r\n            <td>Receiver protection value, compressor package set pressure, thermal relief set pressure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Ammonia type and phase<\/td>\r\n            <td>Affects sizing, material, seat, discharge route and toxicity review.<\/td>\r\n            <td>R717 vapor, liquid ammonia, anhydrous ammonia, aqueous ammonia, hot discharge gas, two-phase ammonia<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Relief scenario<\/td>\r\n            <td>Determines required capacity and valve type.<\/td>\r\n            <td>Compressor blocked discharge, heat input, fire case, blocked-in liquid, pump deadhead, regulator failure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required capacity<\/td>\r\n            <td>Confirms whether the valve can protect the ammonia system.<\/td>\r\n            <td>kg\/h, lb\/h, Nm\u00b3\/h, compressor flow, fire case load, thermal expansion basis<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Operating and relieving temperature<\/td>\r\n            <td>Controls pressure-temperature behavior, material selection and seat compatibility.<\/td>\r\n            <td>-40\u00b0C suction system, ambient receiver, 120\u00b0C compressor discharge, fire case relieving temperature<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Back pressure and discharge route<\/td>\r\n            <td>Influences capacity, stability, toxic exposure and valve configuration.<\/td>\r\n            <td>Atmospheric vent, common relief header, diffusion tank, scrubber, flare, closed treatment system<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Installation condition<\/td>\r\n            <td>Affects orientation, piping load, maintenance access and discharge safety.<\/td>\r\n            <td>Outdoor receiver, machine room, cold room, roof vent, compressor skid, refrigeration package<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Material and seat requirement<\/td>\r\n            <td>Prevents leakage, incompatibility and documentation rejection.<\/td>\r\n            <td>Carbon steel, stainless trim, soft seat, metal seat, PTFE seat, ammonia-compatible elastomer<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Leakage and testing requirement<\/td>\r\n            <td>Important because ammonia leakage creates toxic odor and safety complaints.<\/td>\r\n            <td>Seat tightness test, set pressure calibration, pressure test, inspection witness requirement<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required documents<\/td>\r\n            <td>Avoids procurement, inspection and commissioning delays.<\/td>\r\n            <td>Datasheet, drawing, MTC, sizing report, calibration report, pressure test, seat test<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n\r\n    <p class=\"zobai-nh3-note\">\r\n      Final selection must be confirmed by ammonia phase, protected equipment datasheet, set pressure, relief scenario, required capacity, applicable standard, back pressure calculation, discharge philosophy, certified valve capacity and engineering review.\r\n    <\/p>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section zobai-nh3-section-soft\">\r\n    <div class=\"zobai-nh3-eyebrow\">Selection Errors<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Common Ammonia Safety Valve Selection Mistakes<\/h2>\r\n\r\n    <div class=\"zobai-nh3-grid\">\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Treating ammonia as ordinary gas service<\/h3>\r\n        <p>\r\n          Ammonia service can involve toxic vapor, liquid ammonia, two-phase refrigerant and hot compressor discharge gas. Phase and toxicity must be reviewed before sizing and discharge design.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Missing trapped liquid thermal relief<\/h3>\r\n        <p>\r\n          Liquid ammonia trapped between closed valves can build high pressure as temperature rises. Liquid lines, pump sections and isolated skids should be checked for thermal relief.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Ignoring toxic discharge route<\/h3>\r\n        <p>\r\n          Ammonia discharge cannot be treated like harmless air. Vent location, air intakes, platforms, machine room openings, occupied areas and treatment systems should be reviewed.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Using unsuitable wetted materials<\/h3>\r\n        <p>\r\n          Ammonia compatibility should be checked for body, trim, seat, gasket and bolting. Copper-bearing wetted parts are generally avoided in ammonia service.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Ignoring oil, moisture or dirty refrigerant<\/h3>\r\n        <p>\r\n          Oil carryover, moisture, dirt and corrosion products can affect seat tightness and reseating. Compressor discharge and older refrigeration systems need maintenance review.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-card zobai-nh3-span-4\">\r\n        <h3>Forgetting common relief header back pressure<\/h3>\r\n        <p>\r\n          Multiple ammonia relief valves may discharge into a common header. Simultaneous relief, header size, treatment equipment and built-up back pressure should be checked.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section\">\r\n    <div class=\"zobai-nh3-eyebrow\">Related Engineering Resources<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Continue Your Ammonia Safety Valve Selection Review<\/h2>\r\n    <p class=\"zobai-nh3-lead\">\r\n      These related pages help move from ammonia relief requirements to detailed valve selection, sizing, thermal relief, compressor protection, toxic discharge review and complete RFQ preparation.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-nh3-link-grid\">\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/engineering\/safety-valve-selection-guide\/\">\r\n        <strong>Safety Valve Selection Guide<\/strong>\r\n        <span>Step-by-step guidance for selecting safety valves by medium, pressure, capacity, material and installation condition.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/engineering\/safety-valve-sizing\/\">\r\n        <strong>Safety Valve Sizing<\/strong>\r\n        <span>Review ammonia vapor, liquid, two-phase relief, set pressure, capacity and back pressure inputs before RFQ.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/products\/spring-loaded-safety-valves\/\">\r\n        <strong>Spring Loaded Safety Valves<\/strong>\r\n        <span>For ammonia receivers, storage vessels, refrigeration packages and general NH3 pressure relief service.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/applications\/thermal-relief\/\">\r\n        <strong>Thermal Relief Valves<\/strong>\r\n        <span>For blocked-in liquid ammonia, isolated pump lines, liquid feed lines and trapped refrigerant sections.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/equipment\/compressors\/\">\r\n        <strong>Compressor Safety Valves<\/strong>\r\n        <span>For ammonia compressor discharge, oil separators, vibration, pulsation and high-temperature NH3 gas.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/equipment\/pressure-vessels\/\">\r\n        <strong>Pressure Vessel Safety Valves<\/strong>\r\n        <span>For ammonia receivers, accumulators, storage vessels, surge drums and process pressure equipment.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/equipment\/heat-exchangers\/\">\r\n        <strong>Heat Exchanger Safety Valves<\/strong>\r\n        <span>For ammonia condensers, evaporators, chillers, tube rupture, heat input and liquid carryover review.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/applications\/corrosive-service\/\">\r\n        <strong>Corrosive and Toxic Service<\/strong>\r\n        <span>For ammonia compatibility, toxic discharge, scrubber routing, material review and documentation.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-nh3-link-card\" href=\"\/equipment\/skid-systems\/\">\r\n        <strong>Skid System Safety Valves<\/strong>\r\n        <span>For ammonia refrigeration skids, pump packages, process modules and compact NH3 equipment layouts.<\/span>\r\n      <\/a>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section zobai-nh3-section-soft\">\r\n    <div class=\"zobai-nh3-eyebrow\">FAQ<\/div>\r\n    <h2 class=\"zobai-nh3-title\">Ammonia Safety Valve FAQ<\/h2>\r\n\r\n    <div class=\"zobai-nh3-accordion\" data-zobai-nh3-accordion>\r\n      <div class=\"zobai-nh3-acc-item is-open\">\r\n        <button class=\"zobai-nh3-acc-btn\" type=\"button\">What is the most common ammonia safety valve application? <span>+<\/span><\/button>\r\n        <div class=\"zobai-nh3-acc-body\">\r\n          Common applications include ammonia refrigeration receivers, compressor discharge lines, condensers, evaporators, storage vessels, pump discharge lines and blocked-in liquid ammonia sections requiring thermal relief.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-acc-item\">\r\n        <button class=\"zobai-nh3-acc-btn\" type=\"button\">Can a standard gas safety valve be used for ammonia? <span>+<\/span><\/button>\r\n        <div class=\"zobai-nh3-acc-body\">\r\n          Not automatically. Ammonia service requires review of toxicity, phase, pressure-temperature condition, material compatibility, seat tightness, discharge route, back pressure and required documentation.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-acc-item\">\r\n        <button class=\"zobai-nh3-acc-btn\" type=\"button\">Why are thermal relief valves important in ammonia systems? <span>+<\/span><\/button>\r\n        <div class=\"zobai-nh3-acc-body\">\r\n          Liquid ammonia trapped between closed valves can expand as temperature rises and create high pressure. Thermal relief valves protect isolated liquid lines, pump sections, loading lines and refrigeration liquid feed sections.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-acc-item\">\r\n        <button class=\"zobai-nh3-acc-btn\" type=\"button\">What data is required for an ammonia safety valve quotation? <span>+<\/span><\/button>\r\n        <div class=\"zobai-nh3-acc-body\">\r\n          Provide protected equipment, MAWP or design pressure, set pressure, ammonia type, ammonia phase, relief scenario, required capacity, operating temperature, relieving temperature, back pressure, discharge route, material requirement, seat requirement and required documents.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-acc-item\">\r\n        <button class=\"zobai-nh3-acc-btn\" type=\"button\">Where should ammonia safety valve discharge be routed? <span>+<\/span><\/button>\r\n        <div class=\"zobai-nh3-acc-body\">\r\n          Ammonia discharge should be routed to an approved safe destination such as an outdoor vent, common relief header, diffusion tank, scrubber or treatment system according to the project relief philosophy. Toxic exposure, air intakes, occupied areas, back pressure and maintenance access must be reviewed.\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-nh3-section\">\r\n    <div class=\"zobai-nh3-rfq\">\r\n      <div>\r\n        <div class=\"zobai-nh3-eyebrow\">Engineering RFQ Support<\/div>\r\n        <h2>Prepare a Complete Ammonia Safety Valve Datasheet Before Quotation<\/h2>\r\n        <p>\r\n          Send the protected equipment datasheet, MAWP or design pressure, set pressure, ammonia type, ammonia phase, relief scenario, required capacity, operating pressure, operating temperature, relieving temperature, compressor data or trapped liquid volume where applicable, back pressure, discharge route, material requirement, seat requirement, connection standard and required documents. A complete datasheet helps confirm correct NH3 sizing, seat tightness, material compatibility and safe toxic discharge.\r\n        <\/p>\r\n        <div class=\"zobai-nh3-btn-row\">\r\n          <a class=\"zobai-nh3-btn zobai-nh3-btn-primary\" href=\"\/contact\/\">Request Engineering Quote<\/a>\r\n          <a class=\"zobai-nh3-btn zobai-nh3-btn-secondary\" href=\"\/ask-an-engineer\/\">Ask an Engineer<\/a>\r\n          <a class=\"zobai-nh3-btn zobai-nh3-btn-secondary\" href=\"\/catalog-pdf\/\">Download Catalog PDF<\/a>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-nh3-rfq-box\">\r\n        <h3>Minimum RFQ data<\/h3>\r\n        <div class=\"zobai-nh3-rfq-grid\">\r\n          <div class=\"zobai-nh3-rfq-item\">Protected Equipment<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">MAWP \/ Design Pressure<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Set Pressure<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Ammonia Type<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Relief Scenario<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Required Capacity<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Phase<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Temperature<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Back Pressure<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Discharge Route<\/div>\r\n          <div class=\"zobai-nh3-rfq-item\">Seat \/ Material<\/div>\r\n          <div class=\"zobai-nh3-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-nh3-accordion]');\r\n    accordions.forEach(function (accordion) {\r\n      var items = accordion.querySelectorAll('.zobai-nh3-acc-item');\r\n\r\n      items.forEach(function (item) {\r\n        var button = item.querySelector('.zobai-nh3-acc-btn');\r\n        button.addEventListener('click', function () {\r\n          var isOpen = item.classList.contains('is-open');\r\n\r\n          items.forEach(function (i) {\r\n            i.classList.remove('is-open');\r\n          });\r\n\r\n          if (!isOpen) {\r\n            item.classList.add('is-open');\r\n          }\r\n        });\r\n      });\r\n    });\r\n  })();\r\n<\/script>\r\n\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is the most common ammonia safety valve application?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Common applications include ammonia refrigeration receivers, compressor discharge lines, condensers, evaporators, storage vessels, pump discharge lines and blocked-in liquid ammonia sections requiring thermal relief.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Can a standard gas safety valve be used for ammonia?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Not automatically. Ammonia service requires review of toxicity, phase, pressure-temperature condition, material compatibility, seat tightness, discharge route, back pressure and required documentation.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Why are thermal relief valves important in ammonia systems?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Liquid ammonia trapped between closed valves can expand as temperature rises and create high pressure. Thermal relief valves protect isolated liquid lines, pump sections, loading lines and refrigeration liquid feed sections.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What data is required for an ammonia safety valve quotation?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Provide protected equipment, MAWP or design pressure, set pressure, ammonia type, ammonia phase, relief scenario, required capacity, operating temperature, relieving temperature, back pressure, discharge route, material requirement, seat requirement and required documents.\"\r\n      }\r\n    },\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"Where should ammonia safety valve discharge be routed?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"Ammonia discharge should be routed to an approved safe destination such as an outdoor vent, common relief header, diffusion tank, scrubber or treatment system according to the project relief philosophy. Toxic exposure, air intakes, occupied areas, back pressure and maintenance access must be reviewed.\"\r\n      }\r\n    }\r\n  ]\r\n}\r\n<\/script>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-805afe2 e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"805afe2\" 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-5fbaf3ed 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=\"5fbaf3ed\" 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-6e1eeafe e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6e1eeafe\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6dad61d8 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6dad61d8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4406ac95 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=\"4406ac95\" 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-16b5f2e9 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"16b5f2e9\" 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-746e2c70 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"746e2c70\" 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-ae7f5f4 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=\"ae7f5f4\" 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 sur 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f06b795 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"f06b795\" 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-21ea7a86 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"21ea7a86\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2acd4f9c e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2acd4f9c\" 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-478862e3 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"478862e3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-280fe495 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"280fe495\" 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-92ebb24 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"92ebb24\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-d80629f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"d80629f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-39fff0e0 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"39fff0e0\" 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-274fb623 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"274fb623\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7bb039ed cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"7bb039ed\" 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\/ammonia\/\">\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-4f385874 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"4f385874\" 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 sur 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-23c964ea e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"23c964ea\" 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-140d4f9a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"140d4f9a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-574570d5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"574570d5\" 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-35e10def e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"35e10def\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-22232e38 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"22232e38\" 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-2811f3e5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2811f3e5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-54536c84 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"54536c84\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-748dafc9 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"748dafc9\" 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-35f6cce5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"35f6cce5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-56ba2ec1 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"56ba2ec1\" 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\/ammonia\/\">\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-2a1417d8 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"2a1417d8\" 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 sur 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-773f4c52 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"773f4c52\" 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-456c285a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"456c285a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-913f456 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"913f456\" 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-347bab7b e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"347bab7b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-35374b71 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"35374b71\" 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-31b05f6 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"31b05f6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-130a2116 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"130a2116\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-428ac1e3 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"428ac1e3\" 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-65c836ab e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"65c836ab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-32d2fe2c cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"32d2fe2c\" 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\/ammonia\/\">\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-5b6f14c5 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"5b6f14c5\" 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 sur 4\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-55bf6911 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"55bf6911\" 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-6ca59986 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6ca59986\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-1ee22910 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1ee22910\" 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-47132817 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"47132817\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4130c4cc cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"4130c4cc\" 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-5b075670 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5b075670\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6b96e9c9 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6b96e9c9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3b001633 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"3b001633\" 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-76879c9c e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"76879c9c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-183b066e cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"183b066e\" 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\/ammonia\/\">\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-4633f2c8 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"4633f2c8\" 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=\"Pr\u00e9c\u00e9dent\">\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=\"Suivant\">\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 Ammonia Safety Valves for Refrigeration, Storage, Compressors, Receivers and Process Systems CONTACT SALES Ammonia \/ NH3 Pressure Relief Service Ammonia Safety Valves for Refrigeration, Storage, Compressors, Receivers and Process Systems Ammonia safety valves protect NH3 \/ R717 refrigeration systems, anhydrous ammonia storage vessels, compressor packages, high-pressure receivers, low-pressure receivers, accumulators, condensers, evaporators, recirculators, transfer&#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-53236","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53236","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=53236"}],"version-history":[{"count":4,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53236\/revisions"}],"predecessor-version":[{"id":53240,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/pages\/53236\/revisions\/53240"}],"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=53236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}