{"id":53146,"date":"2026-05-15T06:12:18","date_gmt":"2026-05-15T06:12:18","guid":{"rendered":"https:\/\/zobai.com\/?page_id=53146"},"modified":"2026-05-15T06:14:16","modified_gmt":"2026-05-15T06:14:16","slug":"reactors","status":"publish","type":"page","link":"https:\/\/zobai.com\/de\/applications\/reactors\/","title":{"rendered":"Reaktoren"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"53146\" class=\"elementor elementor-53146\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fe3c6fa e-con-full e-flex cmsmasters-bg-hide-none cmsmasters-bg-hide-none cmsmasters-block-default e-con e-parent\" data-id=\"fe3c6fa\" 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-dbd90d6 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"dbd90d6\" 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cmsmasters-block-default e-con e-parent\" data-id=\"1e84efc8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8ff79d9 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-html\" data-id=\"8ff79d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style>\r\n  .zobai-reactor-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-reactor-page * {\r\n    box-sizing: border-box;\r\n  }\r\n\r\n  .zobai-reactor-section {\r\n    max-width: 100%;\r\n    margin: 0 auto;\r\n    padding: 88px 80px;\r\n  }\r\n\r\n  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}\r\n\r\n  .zobai-reactor-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-reactor-span-4,\r\n    .zobai-reactor-span-5,\r\n    .zobai-reactor-span-6,\r\n    .zobai-reactor-span-7,\r\n    .zobai-reactor-span-12 {\r\n      grid-column: span 12;\r\n    }\r\n\r\n    .zobai-reactor-kpi,\r\n    .zobai-reactor-link-grid {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .zobai-reactor-rfq {\r\n      grid-template-columns: 1fr;\r\n    }\r\n  }\r\n\r\n  @media (max-width: 640px) {\r\n    .zobai-reactor-section {\r\n      padding: 58px 18px;\r\n    }\r\n\r\n    .zobai-reactor-card,\r\n    .zobai-reactor-hero-panel,\r\n    .zobai-reactor-rfq,\r\n    .zobai-reactor-case {\r\n      padding: 26px 20px;\r\n      border-radius: 24px;\r\n    }\r\n\r\n    .zobai-reactor-flow-item {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .zobai-reactor-case-top {\r\n      flex-direction: column;\r\n    }\r\n\r\n    .zobai-reactor-case-data {\r\n      grid-template-columns: 1fr;\r\n    }\r\n\r\n    .zobai-reactor-rfq-grid {\r\n      grid-template-columns: 1fr;\r\n    }\r\n  }\r\n<\/style>\r\n\r\n<div class=\"zobai-reactor-page\">\r\n\r\n  <section class=\"zobai-reactor-section\">\r\n    <div class=\"zobai-reactor-hero-panel\">\r\n      <div class=\"zobai-reactor-eyebrow\">Reactor Pressure Relief<\/div>\r\n      <h2>Reactor Safety Valves for Chemical, API, Hydrogenation and Polymerization Systems<\/h2>\r\n      <p>\r\n        Reactor safety valves protect batch reactors, continuous stirred tank reactors, API synthesis reactors, hydrogenation reactors, polymerization vessels, esterification reactors, glass-lined reactors, jacketed reactors, autoclaves, bioreactors and high-pressure process vessels from overpressure. Correct PSV or PRV selection starts with reactor MAWP, set pressure, reaction chemistry, heat release, gas generation, solvent vapor pressure, two-phase relief risk, blocked vent, cooling failure, discharge treatment, material compatibility and required test documents.\r\n      <\/p>\r\n\r\n      <div class=\"zobai-reactor-kpi\">\r\n        <div class=\"zobai-reactor-kpi-item\">\r\n          <strong>Core Equipment<\/strong>\r\n          <span>Batch reactors, API reactors, hydrogenation units, polymerization vessels and autoclaves<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-kpi-item\">\r\n          <strong>Key Relief Cases<\/strong>\r\n          <span>Runaway reaction, blocked vent, cooling failure, fire case and gas generation<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-kpi-item\">\r\n          <strong>Engineering Focus<\/strong>\r\n          <span>Two-phase flow, fouling, corrosion, toxic discharge and reaction relief data<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-kpi-item\">\r\n          <strong>RFQ Output<\/strong>\r\n          <span>Datasheet, relief basis, material, capacity, test report and document package<\/span>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section zobai-reactor-section-soft\">\r\n    <div class=\"zobai-reactor-eyebrow\">Reactor Applications<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Where Safety Valves Are Used on Reactor Systems<\/h2>\r\n    <p class=\"zobai-reactor-lead\">\r\n      Reactor pressure relief is more complex than ordinary vessel protection because the pressure source may come from reaction heat, gas evolution, solvent flashing, blocked vent filters, catalyst addition, cooling loss or upstream gas supply. A reactor PSV should be selected from the actual relief scenario, not only from nozzle size or normal operating pressure.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-reactor-grid\">\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Batch Chemical Reactors<\/h3>\r\n        <p>\r\n          Used on multipurpose batch reactors, mixing vessels, stirred tanks and jacketed process vessels. Relief review should consider charging error, blocked vent, heat input, solvent boiling, exothermic reaction, foam and liquid carryover.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>API and Fine Chemical Reactors<\/h3>\r\n        <p>\r\n          Used on pharmaceutical intermediate, fine chemical, crystallization and solvent synthesis systems. Key checks include toxic vapor, corrosive media, glass-lined equipment, cleaning solvents, batch documentation and closed discharge to scrubber or condenser.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Hydrogenation Reactors<\/h3>\r\n        <p>\r\n          Used on catalytic hydrogenation, high-pressure hydrogen addition, slurry reactors and noble metal catalyst processes. Selection should review hydrogen leakage, catalyst carryover, ignition-safe venting, material compatibility and flare or vent stack routing.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Polymerization Reactors<\/h3>\r\n        <p>\r\n          Used on acrylic, resin, latex, monomer and polymer slurry systems. Viscosity rise, fouling, runaway polymerization, inhibitor failure, two-phase venting and blocked relief path should be reviewed before valve selection.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Glass-Lined and Corrosion-Resistant Reactors<\/h3>\r\n        <p>\r\n          Used on acid, chloride, solvent and corrosive chemical processes. The valve body, trim, seat, gasket and inlet piping must match corrosion conditions and avoid damaging fragile lined equipment.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Bioreactors and Fermenters<\/h3>\r\n        <p>\r\n          Used on fermentation, cell culture, sterile gas sparging, seed tanks and SIP\/CIP vessels. Relief review should include sterile vent filter blockage, CO\u2082 generation, low-pressure accuracy, cleanability and sanitary connection requirements.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section\">\r\n    <div class=\"zobai-reactor-eyebrow\">Relief Case Analysis<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Reactor PSV Selection Starts With the Reaction Relief Scenario<\/h2>\r\n    <p class=\"zobai-reactor-lead\">\r\n      Reactor overpressure can develop from process chemistry, mechanical blockage, gas supply failure, heat transfer failure or external fire. The governing case decides the required relief capacity and whether a conventional PSV, bellows balanced valve, pilot operated valve, rupture disc combination or emergency vent system should be reviewed.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-reactor-flow\">\r\n      <div class=\"zobai-reactor-flow-item\">\r\n        <div class=\"zobai-reactor-flow-num\">01<\/div>\r\n        <div>\r\n          <h3>Runaway or Exothermic Reaction<\/h3>\r\n          <p>\r\n            Heat generation can exceed heat removal during wrong addition, cooling failure, catalyst error, inhibitor loss or contamination. Relief sizing may require reaction calorimetry, vapor generation rate, two-phase venting review and effluent handling design.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-flow-item\">\r\n        <div class=\"zobai-reactor-flow-num\">02<\/div>\r\n        <div>\r\n          <h3>Blocked Vent, Blocked Outlet or Closed Valve<\/h3>\r\n          <p>\r\n            A reactor may continue receiving feed, gas, steam or heat while the vent or outlet is restricted. This case is common for batch reactors, sterile vent filters, condensers, scrubbers, distillation receivers and closed discharge systems.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-flow-item\">\r\n        <div class=\"zobai-reactor-flow-num\">03<\/div>\r\n        <div>\r\n          <h3>Cooling Failure or Loss of Agitation<\/h3>\r\n          <p>\r\n            Cooling water failure, jacket blockage, agitator failure or poor heat transfer can increase reactor temperature and vapor pressure. The safety valve should be reviewed with heat input, solvent vapor pressure and possible foaming.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-flow-item\">\r\n        <div class=\"zobai-reactor-flow-num\">04<\/div>\r\n        <div>\r\n          <h3>Gas Generation or Regulator Failure<\/h3>\r\n          <p>\r\n            Hydrogen, nitrogen, oxygen, carbon dioxide, ammonia or reaction gas can overpressure the vessel during regulator failure, gas sparging, decomposition or rapid neutralization. Seat tightness and safe gas discharge are important.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-flow-item\">\r\n        <div class=\"zobai-reactor-flow-num\">05<\/div>\r\n        <div>\r\n          <h3>External Fire Exposure<\/h3>\r\n          <p>\r\n            Reactors containing solvent, monomer or hydrocarbon liquid may require fire-case relief review. Fire exposure can generate vapor quickly, and the outlet system must handle flammable or toxic relief safely.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-flow-item\">\r\n        <div class=\"zobai-reactor-flow-num\">06<\/div>\r\n        <div>\r\n          <h3>Jacket, Coil or Tube Rupture<\/h3>\r\n          <p>\r\n            Steam, thermal oil, cooling water or high-pressure utility fluid can enter the reactor or jacket side after failure. Pressure differential, contamination risk and relief path must be checked.\r\n          <\/p>\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section zobai-reactor-section-soft\">\r\n    <div class=\"zobai-reactor-eyebrow\">Application Case Data<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Reactor Safety Valve Application Cases with Typical RFQ Data<\/h2>\r\n    <p class=\"zobai-reactor-lead\">\r\n      These cases show how reactor safety valve requirements are commonly described before model selection. Final sizing must be confirmed by reactor datasheet, reaction hazard data, process conditions, applicable code, verified relief calculation and discharge system review.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-reactor-grid\">\r\n      <div class=\"zobai-reactor-case zobai-reactor-span-6\">\r\n        <div class=\"zobai-reactor-case-top\">\r\n          <h3>Case 1: Solvent Batch Reactor PSV<\/h3>\r\n          <span class=\"zobai-reactor-case-tag\">Blocked Vent \/ Exotherm<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-case-data\">\r\n          <div><b>Protected equipment:<\/b> 5 m\u00b3 jacketed batch reactor<\/div>\r\n          <div><b>Medium:<\/b> Solvent vapor, nitrogen and reaction vapor<\/div>\r\n          <div><b>MAWP:<\/b> 8 barg<\/div>\r\n          <div><b>Set pressure:<\/b> 7.5 barg<\/div>\r\n          <div><b>Normal pressure:<\/b> 1\u20133 barg<\/div>\r\n          <div><b>Relieving temperature:<\/b> 95\u2013140\u00b0C<\/div>\r\n          <div><b>Relief cause:<\/b> Blocked vent, cooling failure or exothermic reaction<\/div>\r\n          <div><b>Key review:<\/b> Solvent vapor load, two-phase risk, scrubber back pressure and corrosion<\/div>\r\n        <\/div>\r\n        <p>\r\n          Batch reactor relief should not be selected from normal vapor flow only. Charging errors, heat input, cooling failure and blocked vent cases may create larger relief loads than normal operation.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-case zobai-reactor-span-6\">\r\n        <div class=\"zobai-reactor-case-top\">\r\n          <h3>Case 2: Hydrogenation Reactor Safety Valve<\/h3>\r\n          <span class=\"zobai-reactor-case-tag\">Hydrogen Service<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-case-data\">\r\n          <div><b>Protected equipment:<\/b> High-pressure catalytic hydrogenation reactor<\/div>\r\n          <div><b>Medium:<\/b> Hydrogen, solvent vapor and process gas<\/div>\r\n          <div><b>MAWP:<\/b> 30 barg<\/div>\r\n          <div><b>Set pressure:<\/b> 28 barg<\/div>\r\n          <div><b>Normal pressure:<\/b> 18\u201322 barg<\/div>\r\n          <div><b>Relief cause:<\/b> Hydrogen regulator failure or reaction upset<\/div>\r\n          <div><b>Discharge:<\/b> Flare or dedicated hydrogen vent system<\/div>\r\n          <div><b>Key review:<\/b> Leakage tightness, material compatibility, catalyst carryover and ignition-safe venting<\/div>\r\n        <\/div>\r\n        <p>\r\n          Hydrogenation service requires careful review of leakage, vent routing and compatibility. Catalyst or slurry carryover can also affect seat reliability and downstream effluent handling.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-case zobai-reactor-span-6\">\r\n        <div class=\"zobai-reactor-case-top\">\r\n          <h3>Case 3: Polymerization Reactor Emergency Relief<\/h3>\r\n          <span class=\"zobai-reactor-case-tag\">Runaway Polymerization<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-case-data\">\r\n          <div><b>Protected equipment:<\/b> 10 m\u00b3 resin or acrylic polymerization reactor<\/div>\r\n          <div><b>Medium:<\/b> Monomer vapor, solvent, polymer slurry and foam<\/div>\r\n          <div><b>MAWP:<\/b> 6 barg<\/div>\r\n          <div><b>Set pressure:<\/b> 5.5 barg<\/div>\r\n          <div><b>Normal pressure:<\/b> 0.5\u20132 barg<\/div>\r\n          <div><b>Relief cause:<\/b> Inhibitor loss, cooling failure or runaway polymerization<\/div>\r\n          <div><b>Discharge:<\/b> Quench tank, condenser, scrubber or closed collection<\/div>\r\n          <div><b>Key review:<\/b> Two-phase flow, viscosity, fouling, relief path plugging and effluent handling<\/div>\r\n        <\/div>\r\n        <p>\r\n          Polymerization relief can be highly sensitive to viscosity, foaming and plugging. A standard gas PSV may not be sufficient without reviewing two-phase relief behavior and emergency discharge equipment.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-case zobai-reactor-span-6\">\r\n        <div class=\"zobai-reactor-case-top\">\r\n          <h3>Case 4: API Glass-Lined Reactor PSV<\/h3>\r\n          <span class=\"zobai-reactor-case-tag\">Corrosive \/ API Service<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-case-data\">\r\n          <div><b>Protected equipment:<\/b> Glass-lined API synthesis reactor<\/div>\r\n          <div><b>Medium:<\/b> Acidic solvent vapor, nitrogen and process vapor<\/div>\r\n          <div><b>MAWP:<\/b> 6 barg<\/div>\r\n          <div><b>Set pressure:<\/b> 5.8 barg<\/div>\r\n          <div><b>Relieving temperature:<\/b> 80\u2013120\u00b0C<\/div>\r\n          <div><b>Relief cause:<\/b> Solvent boiling, blocked condenser or gas regulator failure<\/div>\r\n          <div><b>Discharge:<\/b> Scrubber or closed collection<\/div>\r\n          <div><b>Key review:<\/b> Corrosion, lined nozzle protection, PTFE-lined parts, batch documentation and toxic vapor control<\/div>\r\n        <\/div>\r\n        <p>\r\n          Glass-lined reactors require compatible materials and careful mechanical installation. Valve weight, nozzle load, gasket selection and corrosion resistance should be reviewed before order.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-case zobai-reactor-span-6\">\r\n        <div class=\"zobai-reactor-case-top\">\r\n          <h3>Case 5: Jacketed Reactor Thermal Oil \/ Steam Side Relief<\/h3>\r\n          <span class=\"zobai-reactor-case-tag\">Utility Side Protection<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-case-data\">\r\n          <div><b>Protected equipment:<\/b> Reactor jacket or heating coil<\/div>\r\n          <div><b>Medium:<\/b> Steam, condensate, thermal oil or hot water<\/div>\r\n          <div><b>Design pressure:<\/b> Jacket datasheet value<\/div>\r\n          <div><b>Set pressure:<\/b> Below jacket design limit<\/div>\r\n          <div><b>Relief cause:<\/b> Regulator failure, blocked outlet or thermal expansion<\/div>\r\n          <div><b>Relieving temperature:<\/b> 120\u2013280\u00b0C depending on utility<\/div>\r\n          <div><b>Discharge:<\/b> Safe drain, vent or return system<\/div>\r\n          <div><b>Key review:<\/b> Utility pressure, thermal expansion, temperature rating and discharge safety<\/div>\r\n        <\/div>\r\n        <p>\r\n          Reactor jackets and coils are sometimes overlooked because they are utility-side equipment. Their design pressure can be lower than upstream steam or thermal oil supply pressure, so independent relief review is required.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-case zobai-reactor-span-6\">\r\n        <div class=\"zobai-reactor-case-top\">\r\n          <h3>Case 6: Bioreactor Sterile Gas Relief Valve<\/h3>\r\n          <span class=\"zobai-reactor-case-tag\">Sterile \/ Low Pressure<\/span>\r\n        <\/div>\r\n        <div class=\"zobai-reactor-case-data\">\r\n          <div><b>Protected equipment:<\/b> Stainless steel bioreactor or fermenter<\/div>\r\n          <div><b>Medium:<\/b> Sterile air, oxygen, nitrogen, CO\u2082 and vapor space<\/div>\r\n          <div><b>MAWP:<\/b> 2 barg<\/div>\r\n          <div><b>Set pressure:<\/b> 1.8 barg<\/div>\r\n          <div><b>Normal pressure:<\/b> 0.3\u20131.0 barg<\/div>\r\n          <div><b>Relief cause:<\/b> Gas sparging regulator failure or blocked sterile vent filter<\/div>\r\n          <div><b>Cleaning:<\/b> CIP \/ SIP cycles<\/div>\r\n          <div><b>Key review:<\/b> Sanitary connection, cleanability, low-pressure accuracy and sterile boundary<\/div>\r\n        <\/div>\r\n        <p>\r\n          Bioreactor relief valves must protect low-pressure vessels without creating a contamination risk. Vent filter blockage, gas flow and SIP temperature should be reviewed together.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section\">\r\n    <div class=\"zobai-reactor-eyebrow\">Service Data Matrix<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Reactor Safety Valve Data Matrix<\/h2>\r\n\r\n    <div class=\"zobai-reactor-table-wrap\">\r\n      <table class=\"zobai-reactor-table\">\r\n        <thead>\r\n          <tr>\r\n            <th>Reactor 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>Batch chemical reactor<\/td>\r\n            <td>Solvent vapor, nitrogen, reaction gas, liquid carryover<\/td>\r\n            <td>Blocked vent, cooling failure, heat input, exotherm<\/td>\r\n            <td>Relief load, solvent vapor pressure, foam, two-phase potential<\/td>\r\n            <td>PSV, rupture disc combination or emergency vent review<\/td>\r\n            <td>Undersized relief or unsafe vapor release<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Hydrogenation reactor<\/td>\r\n            <td>Hydrogen, solvent vapor, catalyst slurry<\/td>\r\n            <td>Regulator failure, reaction upset, blocked outlet<\/td>\r\n            <td>Hydrogen leakage, ignition-safe venting, catalyst carryover<\/td>\r\n            <td>High-pressure gas PSV with tight seat and compatible trim<\/td>\r\n            <td>Hydrogen leakage, ignition risk or valve fouling<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Polymerization reactor<\/td>\r\n            <td>Monomer vapor, polymer slurry, foam, two-phase mixture<\/td>\r\n            <td>Runaway polymerization, inhibitor loss, cooling failure<\/td>\r\n            <td>DIERS-type relief data, viscosity, plugging, effluent handling<\/td>\r\n            <td>Emergency relief system and anti-plugging review<\/td>\r\n            <td>Relief path blockage or severe two-phase discharge<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>API reactor<\/td>\r\n            <td>Solvent vapor, acid gas, nitrogen, toxic process vapor<\/td>\r\n            <td>Blocked condenser, gas evolution, regulator failure<\/td>\r\n            <td>Corrosion, toxicity, batch documentation, scrubber back pressure<\/td>\r\n            <td>Corrosion-resistant PSV or rupture disc plus PSV<\/td>\r\n            <td>Corrosion failure, toxic release or documentation delay<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Jacketed reactor<\/td>\r\n            <td>Steam, thermal oil, hot water, condensate<\/td>\r\n            <td>Utility regulator failure, trapped liquid expansion, blocked return<\/td>\r\n            <td>Jacket design pressure, utility supply pressure, temperature rating<\/td>\r\n            <td>Utility-side PSV or thermal relief valve<\/td>\r\n            <td>Jacket rupture or hidden utility-side overpressure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Bioreactor \/ fermenter<\/td>\r\n            <td>Sterile air, oxygen, nitrogen, CO\u2082, vapor space<\/td>\r\n            <td>Blocked vent filter, gas regulator failure, CO\u2082 generation<\/td>\r\n            <td>Low-pressure setting, sanitary design, CIP\/SIP compatibility<\/td>\r\n            <td>Sanitary or cleanable low-pressure relief valve<\/td>\r\n            <td>Vessel damage or contamination risk<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section zobai-reactor-section-soft\">\r\n    <div class=\"zobai-reactor-eyebrow\">Selection Framework<\/div>\r\n    <h2 class=\"zobai-reactor-title\">How to Specify a Reactor Safety Valve Correctly<\/h2>\r\n\r\n    <div class=\"zobai-reactor-grid\">\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-6\">\r\n        <h3>1. Confirm reactor MAWP and operating envelope<\/h3>\r\n        <p>\r\n          Start with reactor datasheet, MAWP, design pressure, design temperature, normal pressure, maximum operating pressure, batch cycle, nozzle rating and code basis. Low-pressure reactors and glass-lined reactors need special attention to set pressure accuracy and nozzle load.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-6\">\r\n        <h3>2. Define the real reaction relief scenario<\/h3>\r\n        <p>\r\n          Review runaway reaction, blocked vent, cooling failure, gas generation, solvent boiling, fire exposure, tube rupture, jacket failure, regulator failure and wrong addition. The largest credible scenario controls valve capacity and discharge design.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-6\">\r\n        <h3>3. Identify phase behavior at relieving condition<\/h3>\r\n        <p>\r\n          Reactor relief may be gas, vapor, liquid, flashing liquid, foam or two-phase mixture. Fluid phase determines sizing method, valve configuration, fouling risk, outlet piping and effluent handling.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-6\">\r\n        <h3>4. Review material compatibility and fouling<\/h3>\r\n        <p>\r\n          Solvent, acid, alkali, chloride, catalyst slurry, polymer, monomer and API intermediates can corrode, plug or foul the valve. Body, trim, seat, gasket and lining material should be selected from actual process chemistry.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-6\">\r\n        <h3>5. Check discharge destination and back pressure<\/h3>\r\n        <p>\r\n          Reactor relief often discharges to scrubber, flare, condenser, quench tank, rupture disc holder, closed collection or vent stack. Back pressure, liquid carryover, toxic vapor and flammable release must be reviewed before final valve type is chosen.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-6\">\r\n        <h3>6. Confirm testing and documents before production<\/h3>\r\n        <p>\r\n          Reactor projects often require datasheets, sizing basis, set pressure calibration, pressure test report, seat tightness test, material certificates, corrosion notes, cleaning records and tag documentation.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section\">\r\n    <div class=\"zobai-reactor-eyebrow\">Installation & Discharge<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Reactor Safety Valves Must Be Reviewed With Vent, Scrubber, Flare or Quench Systems<\/h2>\r\n\r\n    <div class=\"zobai-reactor-grid\">\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-7\">\r\n        <h3>Why reactor discharge design changes valve selection<\/h3>\r\n        <p>\r\n          Reactor relief streams may contain solvent vapor, toxic gas, acid gas, catalyst particles, foam, polymer slurry, hot liquid or two-phase mixture. Poor outlet design can create high back pressure, plugging, liquid hammer, unsafe release or contamination of surrounding equipment.\r\n        <\/p>\r\n        <p>\r\n          Reactor PSV installation should review short inlet connection, no dead zones, relief path fouling, rupture disc combination, discharge line slope, drainage, scrubber pressure drop, flare back pressure, quench tank capacity, pipe support and maintenance access.\r\n        <\/p>\r\n        <div class=\"zobai-reactor-chip-row\">\r\n          <span class=\"zobai-reactor-chip\">Runaway Reaction<\/span>\r\n          <span class=\"zobai-reactor-chip\">Two-Phase Relief<\/span>\r\n          <span class=\"zobai-reactor-chip\">Blocked Vent<\/span>\r\n          <span class=\"zobai-reactor-chip\">Scrubber Back Pressure<\/span>\r\n          <span class=\"zobai-reactor-chip\">Rupture Disc Combination<\/span>\r\n          <span class=\"zobai-reactor-chip\">Effluent Handling<\/span>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-5\">\r\n        <h3>Field installation checks<\/h3>\r\n        <ul class=\"zobai-reactor-list\">\r\n          <li>Install the valve close to the protected reactor nozzle where practical.<\/li>\r\n          <li>Keep inlet pressure loss within the project design limit.<\/li>\r\n          <li>Check whether a rupture disc is required for corrosion, toxicity or fouling isolation.<\/li>\r\n          <li>Route toxic, flammable or corrosive discharge to approved treatment equipment.<\/li>\r\n          <li>Review outlet back pressure from scrubbers, condensers, flare headers or quench tanks.<\/li>\r\n          <li>Prevent liquid pockets, polymer deposits and blocked drains in outlet piping.<\/li>\r\n          <li>Provide safe access for inspection, cleaning, calibration and valve replacement.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section zobai-reactor-section-soft\">\r\n    <div class=\"zobai-reactor-eyebrow\">Standards & Documentation<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Standards and Documents to Confirm Before Ordering<\/h2>\r\n\r\n    <div class=\"zobai-reactor-grid\">\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-6\">\r\n        <h3>Common standard references<\/h3>\r\n        <p>\r\n          Reactor safety valve specifications may reference ASME, API, ISO, GB, EN, DIERS, CCPS, owner standards and project-specific relief study documents. The applicable standard and calculation basis should be confirmed before quotation.\r\n        <\/p>\r\n        <ul class=\"zobai-reactor-list\">\r\n          <li><a href=\"\/standards\/asme-section-viii\/\">ASME BPVC Section VIII<\/a> where the reactor is designed as a pressure vessel.<\/li>\r\n          <li><a href=\"\/standards\/api-520\/\">API 520<\/a> for pressure-relieving device sizing and selection reference where required by the project.<\/li>\r\n          <li><a href=\"\/standards\/api-521\/\">API 521<\/a> for pressure-relieving and depressuring system review in process facilities.<\/li>\r\n          <li><a href=\"\/standards\/api-526\/\">API 526<\/a> when flanged steel pressure relief valve dimensions and ratings are specified.<\/li>\r\n          <li><a href=\"\/standards\/api-527\/\">API 527<\/a> when seat tightness testing is required by specification.<\/li>\r\n          <li><a href=\"\/standards\/diers-reactive-relief\/\">DIERS \/ reactive relief methodology<\/a> where runaway reaction or two-phase reactive relief is part of the design basis.<\/li>\r\n          <li>Owner specifications for toxic, corrosive, sanitary, hydrogen, oxygen, solvent, polymer or API service.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-6\">\r\n        <h3>Typical reactor document package<\/h3>\r\n        <p>\r\n          Documentation should be agreed before manufacturing, especially for API reactors, hydrogenation units, polymerization reactors, glass-lined reactors, toxic service and closed relief systems.\r\n        <\/p>\r\n        <ul class=\"zobai-reactor-list\">\r\n          <li>Technical datasheet with model, size, orifice, set pressure and connection.<\/li>\r\n          <li>Sizing calculation or certified relieving capacity confirmation.<\/li>\r\n          <li>Reaction relief basis or project relief study reference when provided by the buyer.<\/li>\r\n          <li>Set pressure calibration certificate.<\/li>\r\n          <li>Pressure test report and seat tightness test report when required.<\/li>\r\n          <li>Material certificate for pressure-retaining parts and trim when specified.<\/li>\r\n          <li>Special material, lining, oxygen cleaning, passivation or corrosion-resistance record when specified.<\/li>\r\n          <li>Nameplate, tag number, drawing, inspection witness record and project marking confirmation.<\/li>\r\n        <\/ul>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section\">\r\n    <div class=\"zobai-reactor-eyebrow\">RFQ Checklist<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Reactor Safety Valve RFQ Data Checklist<\/h2>\r\n\r\n    <div class=\"zobai-reactor-table-wrap\">\r\n      <table class=\"zobai-reactor-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>Reactor type<\/td>\r\n            <td>Defines process duty, fouling risk and relief scenario.<\/td>\r\n            <td>Batch reactor, CSTR, hydrogenation reactor, polymerization reactor, glass-lined reactor<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>MAWP \/ design pressure<\/td>\r\n            <td>Defines the pressure boundary that must be protected.<\/td>\r\n            <td>2 barg, 6 barg, 8 barg, 30 barg, 150 psi<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Set pressure<\/td>\r\n            <td>Defines valve opening pressure.<\/td>\r\n            <td>1.8 barg, 5.8 barg, 7.5 barg, 28 barg<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Reaction relief scenario<\/td>\r\n            <td>Determines required relieving capacity and valve configuration.<\/td>\r\n            <td>Runaway reaction, cooling failure, blocked vent, gas generation, solvent boiling<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Medium and phase<\/td>\r\n            <td>Affects sizing, material, fouling and discharge design.<\/td>\r\n            <td>Solvent vapor, hydrogen, nitrogen, monomer, polymer slurry, foam, two-phase flow<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required relieving capacity<\/td>\r\n            <td>Confirms whether the valve can protect the reactor.<\/td>\r\n            <td>kg\/h, Nm\u00b3\/h, SCFM, vapor generation rate, two-phase relief load<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Relieving temperature<\/td>\r\n            <td>Affects body rating, trim, seat, spring and corrosion behavior.<\/td>\r\n            <td>80\u00b0C, 120\u00b0C, 180\u00b0C, 250\u00b0C, reaction upset temperature<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Operating pressure<\/td>\r\n            <td>Confirms operating margin and leakage risk.<\/td>\r\n            <td>Normal pressure, maximum operating pressure, vacuum or nitrogen blanketing pressure<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Discharge destination<\/td>\r\n            <td>Determines back pressure, toxicity control and outlet design.<\/td>\r\n            <td>Scrubber, condenser, flare, quench tank, closed collection, safe vent stack<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Material \/ special service<\/td>\r\n            <td>Prevents corrosion, plugging, contamination or leakage.<\/td>\r\n            <td>316L, Hastelloy, PTFE-lined, Monel, oxygen clean, hydrogen service, sanitary trim<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Connection and rating<\/td>\r\n            <td>Ensures compatibility with reactor nozzle and piping.<\/td>\r\n            <td>RF flange, RTJ, clamp, lined flange, NPT, welded end, Class 150\u20132500, PN16\u2013PN160<\/td>\r\n          <\/tr>\r\n          <tr>\r\n            <td>Required documents<\/td>\r\n            <td>Avoids inspection, installation and commissioning delays.<\/td>\r\n            <td>Datasheet, drawing, MTC, calibration report, pressure test, seat tightness report<\/td>\r\n          <\/tr>\r\n        <\/tbody>\r\n      <\/table>\r\n    <\/div>\r\n\r\n    <p class=\"zobai-reactor-note\">\r\n      Final selection must be confirmed by reactor datasheet, reaction hazard study, protected equipment MAWP, process conditions, applicable code, verified sizing basis and engineering review.\r\n    <\/p>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section zobai-reactor-section-soft\">\r\n    <div class=\"zobai-reactor-eyebrow\">Selection Errors<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Common Reactor Safety Valve Selection Mistakes<\/h2>\r\n\r\n    <div class=\"zobai-reactor-grid\">\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Using normal vapor flow as relief flow<\/h3>\r\n        <p>\r\n          Reactor relief load may come from runaway reaction, cooling failure or solvent flashing. Normal vent flow is usually not enough to represent emergency relief conditions.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Ignoring two-phase relief<\/h3>\r\n        <p>\r\n          Foam, boiling liquid, polymer slurry or catalyst carryover can create two-phase discharge. A gas-only sizing basis can lead to unsafe undersizing or unstable operation.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Missing fouling and plugging risk<\/h3>\r\n        <p>\r\n          Polymer, crystals, slurry, catalyst and viscous liquid can plug inlet or outlet passages. Relief path cleanliness and maintenance access must be reviewed.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Ignoring scrubber or flare back pressure<\/h3>\r\n        <p>\r\n          Closed discharge systems can create back pressure that affects capacity and stability. Back pressure can change whether conventional, bellows or pilot design is suitable.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Wrong material for corrosive chemistry<\/h3>\r\n        <p>\r\n          Acid gas, chloride solvent, caustic, amine, catalyst and API intermediates can attack trim, seat or body material. Material selection should follow actual process chemistry.\r\n        <\/p>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-card zobai-reactor-span-4\">\r\n        <h3>Replacing by old nameplate only<\/h3>\r\n        <p>\r\n          Nameplate data helps, but reactor service may change with recipes, solvents, catalysts and batch conditions. Replacement should confirm current relief basis and material requirement.\r\n        <\/p>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section\">\r\n    <div class=\"zobai-reactor-eyebrow\">Related Engineering Resources<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Continue Your Reactor Pressure Relief Review<\/h2>\r\n    <p class=\"zobai-reactor-lead\">\r\n      These related pages help move from reactor application requirements to detailed safety valve selection, sizing, reactive relief review, material compatibility and documentation preparation.\r\n    <\/p>\r\n\r\n    <div class=\"zobai-reactor-link-grid\">\r\n      <a class=\"zobai-reactor-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-reactor-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-reactor-link-card\" href=\"\/engineering\/two-phase-relief\/\">\r\n        <strong>Two-Phase Relief Review<\/strong>\r\n        <span>For foaming, flashing liquid, polymer slurry, catalyst carryover and runaway reaction relief.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-reactor-link-card\" href=\"\/applications\/corrosive-service\/\">\r\n        <strong>Corrosive Service<\/strong>\r\n        <span>For acids, chlorides, caustic, solvents, glass-lined reactors and special alloy requirements.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-reactor-link-card\" href=\"\/medium\/hydrogen\/\">\r\n        <strong>Hydrogen Safety Valves<\/strong>\r\n        <span>For hydrogenation reactors, high-pressure hydrogen, leakage control and safe venting.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-reactor-link-card\" href=\"\/applications\/high-back-pressure\/\">\r\n        <strong>High Back Pressure Service<\/strong>\r\n        <span>For reactor PSVs discharging to scrubbers, flares, condensers or closed collection systems.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-reactor-link-card\" href=\"\/equipment\/pressure-vessels\/\">\r\n        <strong>Pressure Vessel Safety Valves<\/strong>\r\n        <span>For reactor vessels, separators, receivers, buffer tanks and coded pressure equipment.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-reactor-link-card\" href=\"\/applications\/high-temperature\/\">\r\n        <strong>High Temperature Service<\/strong>\r\n        <span>For exothermic reactors, hot solvent vapor, steam jackets, thermal oil and elevated-temperature service.<\/span>\r\n      <\/a>\r\n\r\n      <a class=\"zobai-reactor-link-card\" href=\"\/standards\/api-521\/\">\r\n        <strong>API 521 Relief System Review<\/strong>\r\n        <span>For pressure-relieving and depressuring system review in process and petrochemical facilities.<\/span>\r\n      <\/a>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section zobai-reactor-section-soft\">\r\n    <div class=\"zobai-reactor-eyebrow\">FAQ<\/div>\r\n    <h2 class=\"zobai-reactor-title\">Reactor Safety Valve FAQ<\/h2>\r\n\r\n    <div class=\"zobai-reactor-accordion\" data-zobai-reactor-accordion>\r\n      <div class=\"zobai-reactor-acc-item is-open\">\r\n        <button class=\"zobai-reactor-acc-btn\" type=\"button\">What is the most important factor when selecting a reactor safety valve? <span>+<\/span><\/button>\r\n        <div class=\"zobai-reactor-acc-body\">\r\n          The most important factor is the governing reaction relief scenario. Reactor PSVs may need to handle runaway reaction, blocked vent, cooling failure, solvent boiling, gas generation, fire case or two-phase discharge, not only normal vapor flow.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-acc-item\">\r\n        <button class=\"zobai-reactor-acc-btn\" type=\"button\">Can a reactor PSV be selected by nozzle size only? <span>+<\/span><\/button>\r\n        <div class=\"zobai-reactor-acc-body\">\r\n          No. Nozzle size only confirms mechanical fit. The valve must also match reactor MAWP, set pressure, required relieving capacity, medium phase, temperature, material, back pressure, discharge destination and required documents.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-acc-item\">\r\n        <button class=\"zobai-reactor-acc-btn\" type=\"button\">When should two-phase relief be reviewed for reactors? <span>+<\/span><\/button>\r\n        <div class=\"zobai-reactor-acc-body\">\r\n          Two-phase relief should be reviewed when the reactor can foam, flash liquid, boil violently, carry over catalyst or slurry, polymerize, or discharge liquid and vapor together during runaway or cooling-failure conditions.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-acc-item\">\r\n        <button class=\"zobai-reactor-acc-btn\" type=\"button\">What data is required for a reactor safety valve quotation? <span>+<\/span><\/button>\r\n        <div class=\"zobai-reactor-acc-body\">\r\n          Provide reactor type, MAWP, set pressure, reaction relief scenario, medium and phase, required relieving capacity, relieving temperature, operating pressure, discharge destination, material requirement, connection and required documents.\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-acc-item\">\r\n        <button class=\"zobai-reactor-acc-btn\" type=\"button\">When should a rupture disc be used with a reactor safety valve? <span>+<\/span><\/button>\r\n        <div class=\"zobai-reactor-acc-body\">\r\n          A rupture disc may be reviewed when the reactor medium is corrosive, toxic, sticky, polymerizing, crystallizing or likely to foul the safety valve. The combination must be engineered so that capacity, pressure drop and monitoring requirements are still satisfied.\r\n        <\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/section>\r\n\r\n  <section class=\"zobai-reactor-section\">\r\n    <div class=\"zobai-reactor-rfq\">\r\n      <div>\r\n        <div class=\"zobai-reactor-eyebrow\">Engineering RFQ Support<\/div>\r\n        <h2>Prepare a Complete Reactor PSV Datasheet Before Quotation<\/h2>\r\n        <p>\r\n          Send the reactor datasheet, MAWP, set pressure, reaction relief scenario, medium and phase, required capacity, relieving temperature, operating pressure, discharge destination, back pressure, 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-reactor-btn-row\">\r\n          <a class=\"zobai-reactor-btn zobai-reactor-btn-primary\" href=\"\/contact\/\">Request Engineering Quote<\/a>\r\n          <a class=\"zobai-reactor-btn zobai-reactor-btn-secondary\" href=\"\/ask-an-engineer\/\">Ask an Engineer<\/a>\r\n          <a class=\"zobai-reactor-btn zobai-reactor-btn-secondary\" href=\"\/catalog-pdf\/\">Download Catalog PDF<\/a>\r\n        <\/div>\r\n      <\/div>\r\n\r\n      <div class=\"zobai-reactor-rfq-box\">\r\n        <h3>Minimum RFQ data<\/h3>\r\n        <div class=\"zobai-reactor-rfq-grid\">\r\n          <div class=\"zobai-reactor-rfq-item\">Reactor Type<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">MAWP<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Set Pressure<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Relief Scenario<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Medium \/ Phase<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Required Capacity<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Temperature<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Back Pressure<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Discharge Route<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Material<\/div>\r\n          <div class=\"zobai-reactor-rfq-item\">Connection<\/div>\r\n          <div class=\"zobai-reactor-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-reactor-accordion]');\r\n    accordions.forEach(function (accordion) {\r\n      var items = accordion.querySelectorAll('.zobai-reactor-acc-item');\r\n\r\n      items.forEach(function (item) {\r\n        var button = item.querySelector('.zobai-reactor-acc-btn');\r\n        button.addEventListener('click', function () {\r\n          var isOpen = item.classList.contains('is-open');\r\n\r\n          items.forEach(function (i) {\r\n            i.classList.remove('is-open');\r\n          });\r\n\r\n          if (!isOpen) {\r\n            item.classList.add('is-open');\r\n          }\r\n        });\r\n      });\r\n    });\r\n  })();\r\n<\/script>\r\n\r\n<script type=\"application\/ld+json\">\r\n{\r\n  \"@context\": \"https:\/\/schema.org\",\r\n  \"@type\": \"FAQPage\",\r\n  \"mainEntity\": [\r\n    {\r\n      \"@type\": \"Question\",\r\n      \"name\": \"What is the most important factor when selecting a reactor safety valve?\",\r\n      \"acceptedAnswer\": {\r\n        \"@type\": \"Answer\",\r\n        \"text\": \"The most important factor is the governing reaction relief scenario. 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The combination must be engineered so that capacity, pressure drop and monitoring requirements are still satisfied.\"\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-59f38c9f e-con-full e-flex cmsmasters-block-default e-con e-parent\" data-id=\"59f38c9f\" 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-21623958 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=\"21623958\" 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-59867a57 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"59867a57\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-267db265 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"267db265\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4c45ef0d 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=\"4c45ef0d\" 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-52c962bb elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"52c962bb\" 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-2bbea98 elementor-widget__width-initial cmsmasters-block-default cmsmasters-sticky-default elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"2bbea98\" 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-13101fe4 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=\"13101fe4\" 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-668c8feb e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"668c8feb\" 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-6926eda5 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6926eda5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-5ccf7bdc e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"5ccf7bdc\" 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-6ae91640 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6ae91640\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7b002c6a cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"7b002c6a\" 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-6856d28f e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6856d28f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-14b596d0 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"14b596d0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5b953788 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"5b953788\" 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-32380810 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"32380810\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33995b1b cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"33995b1b\" 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\/de\/applications\/reactors\/\">\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-6a4e4824 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"6a4e4824\" 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-2474718c e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"2474718c\" 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-1362c540 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"1362c540\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-4a6514b1 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"4a6514b1\" 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-2be96b66 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2be96b66\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8677ff2 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"8677ff2\" 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-f5f07e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"f5f07e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-118333 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"118333\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-148c6a11 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"148c6a11\" 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-3608b9aa e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"3608b9aa\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38a1db34 cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"38a1db34\" 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\/de\/applications\/reactors\/\">\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-14bdc45a cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"14bdc45a\" 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-3465b3b1 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"3465b3b1\" 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-497c524a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"497c524a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-13488bab e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"13488bab\" 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-3a66ea4e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"3a66ea4e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-33ac5226 cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"33ac5226\" 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-19b0dcff e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"19b0dcff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-57b1539a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"57b1539a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce0a025 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"ce0a025\" 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-517b446e e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"517b446e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-78fb33ae cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"78fb33ae\" 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\/de\/applications\/reactors\/\">\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-5c33761 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"5c33761\" 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-6ac29bb2 e-flex e-con-boxed cmsmasters-block-default e-con e-child\" data-id=\"6ac29bb2\" 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-19eccc43 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"19eccc43\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6c0b3e62 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"6c0b3e62\" 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-2136ab63 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"2136ab63\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a8c5fde cmsmasters-clip-path-yes cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-image\" data-id=\"5a8c5fde\" 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-7c0a2247 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"7c0a2247\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-707e777a e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"707e777a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5e573505 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-heading\" data-id=\"5e573505\" 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-780e9292 e-con-full e-flex cmsmasters-block-default e-con e-child\" data-id=\"780e9292\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-353ff0ab cmsmasters-effect cmsmasters-effect-type-transform cmsmasters-effect-hover-type-element cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-button\" data-id=\"353ff0ab\" 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\/de\/applications\/reactors\/\">\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-7ad0165 cmsmasters-block-default cmsmasters-sticky-default elementor-widget elementor-widget-text-editor\" data-id=\"7ad0165\" 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 Reactor Safety Valves for Chemical, API, Polymerization and Hydrogenation Systems CONTACT SALES Reactor Pressure Relief Reactor Safety Valves for Chemical, API, Hydrogenation and Polymerization Systems Reactor safety valves protect batch reactors, continuous stirred tank reactors, API synthesis reactors, hydrogenation reactors, polymerization vessels, esterification reactors, glass-lined reactors, jacketed reactors, autoclaves, bioreactors and high-pressure process vessels&#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-53146","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/pages\/53146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/comments?post=53146"}],"version-history":[{"count":4,"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/pages\/53146\/revisions"}],"predecessor-version":[{"id":53151,"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/pages\/53146\/revisions\/53151"}],"up":[{"embeddable":true,"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/pages\/52780"}],"wp:attachment":[{"href":"https:\/\/zobai.com\/de\/wp-json\/wp\/v2\/media?parent=53146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}