{"id":55474,"date":"2026-07-01T04:34:02","date_gmt":"2026-07-01T04:34:02","guid":{"rendered":"https:\/\/zobai.com\/?p=55474"},"modified":"2026-07-01T04:38:40","modified_gmt":"2026-07-01T04:38:40","slug":"what-is-a-high-pressure-safety-valve","status":"publish","type":"post","link":"https:\/\/zobai.com\/fr\/blog\/what-is-a-high-pressure-safety-valve\/","title":{"rendered":"Qu'est-ce qu'une soupape de s\u00fbret\u00e9 haute pression ?"},"content":{"rendered":"\n<style>\n.zobai-hpsv-blog{\n  --z-primary:#0f766e;\n  --z-primary-dark:#0b5f59;\n  --z-accent:#16a085;\n  --z-text:#20262d;\n  --z-muted:#5f6b75;\n  --z-line:#dfe6e8;\n  --z-soft:#f2f8f6;\n  --z-soft-2:#f7fbfa;\n  --z-warning:#fff7e6;\n  --z-warning-line:#f0c36d;\n  --z-white:#ffffff;\n  --z-radius-sm:10px;\n  --z-radius-md:16px;\n  --z-radius-lg:24px;\n  --z-shadow:0 14px 34px rgba(15,118,110,.12);\n  --z-container:1180px;\n  color:var(--z-text);\n  font-family:Arial, Helvetica, sans-serif;\n  line-height:1.72;\n  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color:var(--z-primary-dark);\n}\n\n.zobai-hpsv-blog .zobai-btn-secondary{\n  background:transparent;\n  color:#ffffff;\n}\n\n.zobai-hpsv-blog .zobai-faq{\n  margin:44px 0;\n}\n\n.zobai-hpsv-blog .zobai-faq-item{\n  border:1px solid var(--z-line);\n  border-radius:var(--z-radius-md);\n  background:#ffffff;\n  padding:20px 22px;\n  margin:14px 0;\n  box-shadow:0 8px 20px rgba(32,38,45,.05);\n}\n\n.zobai-hpsv-blog .zobai-faq-item h3{\n  margin:0 0 8px;\n  color:#142026;\n  font-size:20px;\n}\n\n.zobai-hpsv-blog .zobai-faq-item p{\n  margin:0;\n  color:#34454c;\n}\n\n.zobai-hpsv-blog .zobai-author{\n  border:1px solid var(--z-line);\n  border-radius:var(--z-radius-lg);\n  background:var(--z-soft);\n  padding:24px;\n  margin:36px 0 0;\n}\n\n.zobai-hpsv-blog .zobai-author h2{\n  margin:0 0 10px;\n  font-size:26px;\n}\n\n.zobai-hpsv-blog .zobai-author p{\n  margin:0 0 12px;\n}\n\n.zobai-hpsv-blog .zobai-author p:last-child{\n  margin-bottom:0;\n}\n\n@media (max-width:900px){\n  .zobai-hpsv-blog{\n    padding:0 18px 44px;\n  }\n  .zobai-hpsv-blog .zobai-hero{\n    padding:30px 24px;\n  }\n  .zobai-hpsv-blog .zobai-hero-points,\n  .zobai-hpsv-blog .zobai-grid,\n  .zobai-hpsv-blog .zobai-cta-list{\n    grid-template-columns:1fr;\n  }\n  .zobai-hpsv-blog .zobai-toc-list{\n    grid-template-columns:1fr;\n  }\n}\n\n@media (max-width:640px){\n  .zobai-hpsv-blog{\n    padding:0 16px 38px;\n  }\n  .zobai-hpsv-blog .zobai-hero{\n    padding:24px 18px;\n    border-radius:18px;\n  }\n  .zobai-hpsv-blog .zobai-section{\n    margin:34px 0;\n  }\n  .zobai-hpsv-blog .zobai-table{\n    min-width:720px;\n    font-size:14.5px;\n  }\n  .zobai-hpsv-blog .zobai-table th,\n  .zobai-hpsv-blog .zobai-table td{\n    padding:12px;\n  }\n  .zobai-hpsv-blog .zobai-cta{\n    padding:26px 20px;\n  }\n  .zobai-hpsv-blog .zobai-btn{\n    width:100%;\n  }\n}\n<\/style>\n\n<article class=\"zobai-hpsv-blog\" itemscope itemtype=\"https:\/\/schema.org\/TechArticle\">\n\n  <section class=\"zobai-hero\" id=\"overview\">\n    <div class=\"zobai-eyebrow\">Safety Valve Technical Blog<\/div>\n    <p class=\"zobai-hero-title\" itemprop=\"headline\">What Is a High Pressure Safety Valve?<\/p>\n    <p class=\"zobai-hero-lead\">A high pressure safety valve is not selected by pressure rating alone. Buyers must confirm set pressure, required relieving capacity, medium, temperature, back pressure, connection rating, material and documentation before RFQ or replacement.<\/p>\n    <div class=\"zobai-hero-points\">\n      <div class=\"zobai-hero-point\">\n        <strong>Core question<\/strong>\n        <span>What does \u201chigh pressure\u201d mean in safety valve selection?<\/span>\n      <\/div>\n      <div class=\"zobai-hero-point\">\n        <strong>Main risk<\/strong>\n        <span>Confusing pressure class, set pressure and relieving capacity.<\/span>\n      <\/div>\n      <div class=\"zobai-hero-point\">\n        <strong>Next step<\/strong>\n        <span>Prepare complete service data for engineering review.<\/span>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <nav class=\"zobai-toc\" aria-label=\"On this page\">\n    <p class=\"zobai-toc-title\">On this page<\/p>\n    <ul class=\"zobai-toc-list\">\n      <li><a href=\"#quick-answer\">Quick answer<\/a><\/li>\n      <li><a href=\"#selection-boundary\">Selection boundary<\/a><\/li>\n      <li><a href=\"#buyer-checks\">Buyer checks<\/a><\/li>\n      <li><a href=\"#pressure-terms\">Pressure terms<\/a><\/li>\n      <li><a href=\"#required-capacity\">Required relieving capacity<\/a><\/li>\n      <li><a href=\"#medium-temperature-rating\">Medium and pressure-temperature rating<\/a><\/li>\n      <li><a href=\"#valve-configuration\">Valve configuration<\/a><\/li>\n      <li><a href=\"#installation\">Back pressure and installation<\/a><\/li>\n      <li><a href=\"#documentation\">Documentation and testing<\/a><\/li>\n      <li><a href=\"#rfq-checklist\">RFQ checklist<\/a><\/li>\n      <li><a href=\"#common-mistakes\">Common mistakes<\/a><\/li>\n      <li><a href=\"#technical-references\">Technical references<\/a><\/li>\n      <li><a href=\"#faq\">FAQ<\/a><\/li>\n    <\/ul>\n  <\/nav>\n\n  <section class=\"zobai-section\" id=\"quick-answer\">\n    <h2>Quick Answer: What Is a High Pressure Safety Valve?<\/h2>\n\n    <p>A high pressure safety valve is a pressure protection device used to help protect equipment, piping or process systems from exceeding an allowable pressure limit. In service, the valve is expected to open at a defined set pressure, discharge enough flow for the governing relief case, and then reseat when system pressure returns to an acceptable level.<\/p>\n\n    <p>From an engineering perspective, however, the phrase \u201chigh pressure safety valve\u201d is not a complete specification. It does not by itself confirm the protected equipment, relief scenario, medium, required relieving capacity, relieving temperature, back pressure, material, seat design, connection rating or document requirements. A valve may be described as high pressure, but it still has to be checked against the actual operating condition and the selected model\u2019s manufacturer data.<\/p>\n\n    <p>For buyers, the main point is simple: do not request only a \u201chigh pressure valve\u201d and a connection size. Before quotation or replacement, confirm the operating pressure, MAWP or design pressure, set pressure, required relieving capacity, pressure-temperature rating, inlet and outlet connection, material requirements, applicable standard and required documentation. For product-family context, review ZOBAI <a href=\"https:\/\/zobai.com\/safety-valves\/high-pressure-safety-valves\/\">high pressure safety valves<\/a>; for service context, review <a href=\"https:\/\/zobai.com\/applications\/high-pressure\/\">high pressure applications<\/a>.<\/p>\n\n    <figure class=\"zobai-figure zobai-figure-hero\" data-image-status=\"verified\" data-image-slot=\"image-01-hero\">\n      <img fetchpriority=\"high\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/07\/what-is-a-high-pressure-safety-valve-hero.webp\" alt=\"High pressure safety valve on an industrial pressure test bench for engineering review\" title=\"High Pressure Safety Valve Engineering Review\" width=\"1200\" height=\"900\" loading=\"eager\" fetchpriority=\"high\" decoding=\"async\">\n      <figcaption>A high pressure safety valve should be reviewed against actual service pressure, capacity, temperature, back pressure and documentation requirements.<\/figcaption>\n      <p class=\"zobai-figure-note\">Verified WebP image. Visual is for technical article illustration and is not proof of a specific model, certification, capacity or test result.<\/p>\n    <\/figure>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"selection-boundary\">\n    <h2>Selection Boundary: What This Article Does and Does Not Decide<\/h2>\n\n    <p>This article helps engineers, procurement teams and maintenance users understand what must be confirmed before selecting or requesting a high pressure safety valve. It is a parameter-confirmation guide, not a final sizing calculation, not a product catalogue, and not a replacement for a project\u2019s responsible engineering review.<\/p>\n\n    <p>The article explains why \u201chigh pressure\u201d alone is not enough. A suitable valve must be reviewed against the protected equipment, governing relief scenario, medium and phase, operating pressure, MAWP or design pressure, set pressure, required relieving capacity, relieving temperature, back pressure, inlet and outlet connection, material, seat and seal requirements, applicable standard and required documents.<\/p>\n\n    <div class=\"zobai-callout\">\n      <p><strong>Selection note:<\/strong> Final selection depends on real operating conditions, manufacturer data, applicable standard version, project specification and local regulatory requirements.<\/p>\n      <p>Where certified or documented capacity is required, that requirement should be stated before quotation.<\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"buyer-checks\">\n    <h2>Standard Safety Valve vs High Pressure Safety Valve: What Buyers Should Check<\/h2>\n\n    <p>A high pressure safety valve is not different only because the pressure value is higher. The selection review becomes more sensitive because small mistakes in pressure margin, temperature rating, outlet piping or capacity basis can create larger safety, leakage, stability and documentation risks.<\/p>\n\n    <p>In general service, buyers may focus on valve size, set pressure and connection type. In high pressure service, those items are still important, but they are not enough. The buyer also needs to confirm how the valve will behave during the relieving event, whether the connection rating remains suitable at the actual temperature, whether the required relieving capacity is supported by the selected orifice or capacity basis, and whether the outlet system creates unacceptable back pressure.<\/p>\n\n    <div class=\"zobai-table-wrap\" role=\"region\" aria-label=\"Standard safety valve versus high pressure safety valve buyer checks\" tabindex=\"0\">\n      <table class=\"zobai-table\">\n        <thead>\n          <tr>\n            <th>Buyer Check<\/th>\n            <th>General Safety Valve Review<\/th>\n            <th>High Pressure Safety Valve Review<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>Set pressure<\/td>\n            <td>Confirm the opening pressure<\/td>\n            <td>Confirm relation to operating pressure, MAWP\/design pressure and allowable overpressure<\/td>\n          <\/tr>\n          <tr>\n            <td>Capacity<\/td>\n            <td>Check required flow if available<\/td>\n            <td>Confirm required relieving capacity, selected orifice and certified or documented capacity basis where applicable<\/td>\n          <\/tr>\n          <tr>\n            <td>Temperature<\/td>\n            <td>Check normal service temperature<\/td>\n            <td>Check relieving temperature and pressure-temperature rating<\/td>\n          <\/tr>\n          <tr>\n            <td>Connection<\/td>\n            <td>Confirm size and type<\/td>\n            <td>Confirm flange class, PN rating or thread standard at actual pressure and temperature<\/td>\n          <\/tr>\n          <tr>\n            <td>Material<\/td>\n            <td>Match the general medium<\/td>\n            <td>Confirm body, trim, spring, seat, seal and possible corrosion, high-temperature or low-temperature limits<\/td>\n          <\/tr>\n          <tr>\n            <td>Back pressure<\/td>\n            <td>Review outlet path generally<\/td>\n            <td>Evaluate superimposed and built-up back pressure, constant or variable outlet conditions and configuration limits<\/td>\n          <\/tr>\n          <tr>\n            <td>Seat tightness<\/td>\n            <td>Review leakage requirement if specified<\/td>\n            <td>Confirm seat design, service condition and applicable leakage test requirement where specified<\/td>\n          <\/tr>\n          <tr>\n            <td>Installation<\/td>\n            <td>Check basic orientation and connection<\/td>\n            <td>Review inlet loss, outlet support, drainage, reaction force and safe discharge routing<\/td>\n          <\/tr>\n          <tr>\n            <td>Documentation<\/td>\n            <td>Basic datasheet may be enough<\/td>\n            <td>Datasheet, calibration record, material record, capacity basis and inspection scope may be required by project<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <p>The key selection risk is assuming that \u201chigh pressure\u201d describes the full valve. It does not. It only starts the review.<\/p>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"pressure-terms\">\n    <h2>Key Pressure Terms: Operating Pressure, MAWP, Set Pressure and Overpressure<\/h2>\n\n    <p>High pressure safety valve selection requires careful use of pressure terminology. Several values may appear in the same inquiry, but they do not mean the same thing. Confusing these terms can lead to the wrong set pressure, insufficient capacity, poor operating margin or an unsuitable replacement.<\/p>\n\n    <div class=\"zobai-table-wrap\" role=\"region\" aria-label=\"Pressure terminology for high pressure safety valve selection\" tabindex=\"0\">\n      <table class=\"zobai-table\">\n        <thead>\n          <tr>\n            <th>Pressure Term<\/th>\n            <th>What It Means<\/th>\n            <th>Why It Matters for High Pressure Safety Valves<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>Operating pressure<\/td>\n            <td>Normal system pressure during operation<\/td>\n            <td>Determines operating margin below set pressure and helps assess leakage or simmering risk<\/td>\n          <\/tr>\n          <tr>\n            <td>MAWP \/ design pressure<\/td>\n            <td>Pressure basis of the protected equipment or project design<\/td>\n            <td>Defines the pressure protection requirement and must not be confused with normal operating pressure<\/td>\n          <\/tr>\n          <tr>\n            <td>Set pressure<\/td>\n            <td>Pressure at which the valve is adjusted to open under specified conditions<\/td>\n            <td>Defines the opening point but does not prove relieving capacity<\/td>\n          <\/tr>\n          <tr>\n            <td>Overpressure \/ accumulation<\/td>\n            <td>Pressure rise during a relieving event, subject to applicable code or project basis<\/td>\n            <td>Affects relieving pressure and capacity calculation basis<\/td>\n          <\/tr>\n          <tr>\n            <td>Blowdown \/ reseating pressure<\/td>\n            <td>Closing behavior after the valve has opened<\/td>\n            <td>Affects stability, leakage risk and process recovery after relief<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <p>Operating pressure is the normal pressure at which the system runs. The maximum operating pressure may be close to the valve set pressure, but it should not be confused with the valve\u2019s opening point. If the operating pressure is too close to the set pressure, the valve may be more vulnerable to simmering, leakage, instability or frequent operation, depending on the service and valve design.<\/p>\n\n    <p>MAWP, or maximum allowable working pressure, is related to the protected equipment\u2019s allowable pressure limit. Some projects may use design pressure or another project-specific pressure basis. This value is critical because the safety valve must protect the equipment within the applicable code and project requirements.<\/p>\n\n    <p>Set pressure is the pressure at which the safety valve is adjusted to open under specified conditions. It is not the same as capacity. A valve with the correct set pressure may still be unsuitable if it cannot discharge the required relieving load.<\/p>\n\n    <p>Overpressure and accumulation describe the pressure rise allowed during a relieving event. Blowdown and reseating pressure describe the closing behavior after discharge. These values affect stability, leakage risk and operating margin, especially in high pressure systems.<\/p>\n\n    <figure class=\"zobai-figure\" data-image-status=\"verified\" data-image-slot=\"image-02-engineering-diagram\">\n      <img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/07\/what-is-a-high-pressure-safety-valve-engineering-diagram.webp\" alt=\"Simplified engineering diagram showing inlet pressure spring force disc lift and outlet flow path in a high pressure safety valve\" title=\"High Pressure Safety Valve Engineering Diagram\" width=\"1200\" height=\"900\" loading=\"lazy\" decoding=\"async\">\n      <figcaption>Simplified illustration of how inlet pressure, spring force, disc lift and outlet flow path relate in a high pressure safety valve.<\/figcaption>\n      <p class=\"zobai-figure-note\">Simplified engineering illustration for explanation only; not a manufacturing drawing or certified section view.<\/p>\n    <\/figure>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"required-capacity\">\n    <h2>Required Relieving Capacity: Why Connection Size Alone Is Not Enough<\/h2>\n\n    <p>One of the most common specification mistakes is selecting a high pressure safety valve by connection size alone. A DN or NPS connection tells you how the valve connects to the system. It does not prove the internal flow area, selected orifice, discharge coefficient, certified capacity or required relieving capacity.<\/p>\n\n    <p>Required relieving capacity depends on the governing relief scenario. A blocked outlet case, fire case, regulator failure, thermal expansion event or tube rupture case may require different relieving loads. The required capacity also depends on the medium and phase, such as steam, gas, vapor, liquid or two-phase flow. Relieving pressure, relieving temperature and fluid properties all matter.<\/p>\n\n    <p>For example, a high pressure steam safety valve inquiry should not only say \u201csteam, high pressure, DN size.\u201d The buyer should provide boiler or header data, MAWP or design pressure, set pressure, required steam relieving capacity, relieving temperature, connection standard and discharge arrangement. Without this information, the valve can be priced only as a rough inquiry, not fully validated for the service.<\/p>\n\n    <p>The selected valve must be checked against manufacturer data and the applicable project or code basis. Where certified or documented capacity is required, that requirement should be stated before quotation. Capacity must not be assumed from the inlet flange size, outlet size or pressure rating alone. For a deeper explanation, see ZOBAI\u2019s guide to <a href=\"https:\/\/zobai.com\/blog\/safety-valve-sizing-and-certified-relieving-capacity-guide\/\">safety valve sizing and certified relieving capacity<\/a> and the <a href=\"https:\/\/zobai.com\/standards\/api-520-safety-valve-sizing\/\">API 520 safety valve sizing<\/a> reference page.<\/p>\n\n    <figure class=\"zobai-figure\" data-image-status=\"verified\" data-image-slot=\"image-03-set-pressure-capacity-rating\">\n      <img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/07\/what-is-a-high-pressure-safety-valve-set-pressure-capacity-rating.webp\" alt=\"Engineering concept showing that set pressure relieving capacity and pressure rating must be checked separately for a high pressure safety valve\" title=\"Set Pressure Capacity and Rating Checks\" width=\"1200\" height=\"900\" loading=\"lazy\" decoding=\"async\">\n      <figcaption>Set pressure, required relieving capacity and pressure-temperature rating must be checked separately before selecting a high pressure safety valve.<\/figcaption>\n      <p class=\"zobai-figure-note\">Conceptual engineering diagram; actual values must be confirmed from project data and manufacturer documentation.<\/p>\n    <\/figure>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"medium-temperature-rating\">\n    <h2>Medium, Temperature and Pressure-Temperature Rating<\/h2>\n\n    <p>High pressure service changes significantly depending on the medium. Steam, clean gas, corrosive gas, liquid, thermal fluid and two-phase flow do not behave the same way during relief. They can require different sizing methods, trim materials, seat designs, spring materials, body materials and inspection requirements.<\/p>\n\n    <p>Temperature is just as important as pressure. A valve connection or body material may have one pressure rating at room temperature and a different allowable rating at elevated temperature. This is why <a href=\"https:\/\/zobai.com\/standards\/pressure-temperature-ratings\/\">pressure-temperature ratings<\/a> must be checked together with material group, flange class or PN rating, thread standard, gasket, bolting and project specification.<\/p>\n\n    <p>For high pressure steam safety valves, the review may include steam capacity, set pressure, blowdown behavior, bonnet design, lever requirements where applicable, discharge piping and temperature effects on material. For high pressure gas or vapor service, seat tightness, leakage expectation, back pressure and stable operation may become more important. For liquids, thermal expansion, reaction force and discharge routing require separate review.<\/p>\n\n    <p>A material name alone does not prove suitability. The selected body, trim, spring, seat, seal and gasket materials must be checked against the medium, temperature, corrosion risk, cleanliness, leakage requirement and applicable standard. If the medium is corrosive, dirty, polymerizing, cryogenic, very hot or two-phase, the material and configuration review should be made before a quotation is treated as final.<\/p>\n\n    <figure class=\"zobai-figure\" data-image-status=\"verified\" data-image-slot=\"image-04-pressure-temperature-connection\">\n      <img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/07\/what-is-a-high-pressure-safety-valve-pressure-temperature-rating.webp\" alt=\"High pressure safety valve connection and material rating review with pressure and temperature instruments\" title=\"Pressure Temperature Rating Review\" width=\"1200\" height=\"900\" loading=\"lazy\" decoding=\"async\">\n      <figcaption>Pressure-temperature rating review should consider material, connection standard, relieving temperature and project specification.<\/figcaption>\n      <p class=\"zobai-figure-note\">Visual explanation only; final rating depends on selected material, connection standard and applicable project requirements.<\/p>\n    <\/figure>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"valve-configuration\">\n    <h2>Valve Configuration: Spring Loaded, Bellows Balanced or Pilot Operated?<\/h2>\n\n    <p>A high pressure safety valve may be spring loaded, bellows balanced or pilot operated, depending on the service condition and project requirements. The correct configuration cannot be selected only from the word \u201chigh pressure.\u201d<\/p>\n\n    <div class=\"zobai-grid\">\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Spring loaded<\/p>\n        <p><a href=\"https:\/\/zobai.com\/safety-valves\/spring-loaded-safety-valves\/\">Spring loaded safety valves<\/a> are direct acting and widely used, but high pressure service still requires set pressure, spring range, operating margin, seat design and stability review.<\/p>\n      <\/div>\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Bellows balanced<\/p>\n        <p><a href=\"https:\/\/zobai.com\/safety-valves\/bellows-balanced-safety-valves\/\">Bellows balanced safety valves<\/a> may be considered where back pressure affects performance, but bellows material, temperature, fatigue, corrosion and bonnet venting must be checked.<\/p>\n      <\/div>\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Pilot operated<\/p>\n        <p><a href=\"https:\/\/zobai.com\/safety-valves\/pilot-operated-safety-valves\/\">Pilot operated safety valves<\/a> may suit some services, but the pilot system requires review of medium cleanliness, sensing line arrangement, tubing and maintenance.<\/p>\n      <\/div>\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Configuration boundary<\/p>\n        <p>The safest selection approach is to define the protected equipment and relief case first, then confirm pressure, capacity, medium, temperature, back pressure and documentation requirements.<\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"installation\">\n    <h2>Back Pressure, Inlet Loss and Installation Layout<\/h2>\n\n    <p>High pressure safety valve performance is affected not only by the valve body but also by the piping system around it. Inlet loss, outlet back pressure, discharge reaction force and installation layout can influence stability and capacity.<\/p>\n\n    <p>The inlet line should be reviewed to avoid excessive pressure loss between the protected equipment and the valve inlet. Excessive inlet loss can contribute to chatter, reduced capacity or unstable operation. The inlet connection should be compatible with the equipment nozzle and rated for the actual pressure and temperature.<\/p>\n\n    <p>Back pressure also matters. Superimposed back pressure exists before the valve opens, while built-up back pressure develops during discharge. Back pressure may be constant or variable, depending on the discharge system. If back pressure is not reviewed, the selected valve may not achieve the expected lift, stability or capacity.<\/p>\n\n    <p>Outlet piping should be supported properly. Heavy discharge piping should not place harmful loads on the safety valve body. The discharge route should avoid blocked outlets, liquid accumulation, unsafe discharge toward personnel and unsupported reaction loads. Drainage, venting, bonnet vent treatment and safe discharge location must be reviewed according to the valve type, service condition and project specification. For detailed system checks, review the <a href=\"https:\/\/zobai.com\/engineering\/safety-valve-installation-guide\/\">safety valve installation guide<\/a> and the guide to <a href=\"https:\/\/zobai.com\/engineering\/back-pressure-and-bellows\/\">back pressure and bellows<\/a>.<\/p>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"documentation\">\n    <h2>Documentation and Testing for High Pressure Safety Valve Review<\/h2>\n\n    <p>For high pressure service, documentation should be discussed before order placement, not after manufacturing or shipment. The required document package depends on the project, applicable standards, inspection plan and buyer requirements.<\/p>\n\n    <p>A typical review may include the valve datasheet, nameplate information, set pressure calibration record, shell or body pressure test record where applicable, seat tightness test requirement, material records, capacity basis and inspection release documents. If a project requires witness testing, third-party inspection or specific certificate formats, this should be stated in the RFQ.<\/p>\n\n    <div class=\"zobai-table-wrap\" role=\"region\" aria-label=\"Documentation and testing matrix for high pressure safety valve review\" tabindex=\"0\">\n      <table class=\"zobai-table\">\n        <thead>\n          <tr>\n            <th>Document \/ Check<\/th>\n            <th>What It Supports<\/th>\n            <th>When to Confirm It<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>Valve datasheet<\/td>\n            <td>Model, set pressure, connection, material, service and options<\/td>\n            <td>Before quotation and again before order confirmation<\/td>\n          <\/tr>\n          <tr>\n            <td>Nameplate data<\/td>\n            <td>Replacement comparison and installed valve identification<\/td>\n            <td>Before replacement selection<\/td>\n          <\/tr>\n          <tr>\n            <td>Set pressure calibration record<\/td>\n            <td>Opening pressure adjustment and test basis<\/td>\n            <td>Before shipment or inspection release where required<\/td>\n          <\/tr>\n          <tr>\n            <td>Seat tightness test requirement<\/td>\n            <td>Leakage expectation and test scope<\/td>\n            <td>Before order if the project requires a specific leakage test<\/td>\n          <\/tr>\n          <tr>\n            <td>Material record<\/td>\n            <td>Body, trim or pressure-retaining material traceability where required<\/td>\n            <td>Before order if the project specification requires it<\/td>\n          <\/tr>\n          <tr>\n            <td>Capacity basis<\/td>\n            <td>Required relieving capacity, selected orifice and documented\/certified capacity where applicable<\/td>\n            <td>Before final valve selection<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <p>For replacement work, the buyer should provide the existing valve nameplate, photos, old datasheet, connection details, set pressure, capacity basis, service medium and operating history. Replacing a high pressure safety valve by appearance or connection size alone is not a safe engineering practice.<\/p>\n\n    <p>ZOBAI can review submitted parameters and help identify which information is still missing before quotation. Final acceptance still depends on actual service data, selected model limits, manufacturer documentation, applicable standard version, project specification and local regulatory requirements.<\/p>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"rfq-checklist\">\n    <h2>High Pressure Safety Valve RFQ \/ Selection Parameters Checklist<\/h2>\n\n    <p>A complete RFQ allows the supplier and engineering team to evaluate the valve more accurately. The following checklist can be used before requesting quotation. For high pressure service, the goal is not only to obtain a price, but to make sure the quotation is based on enough engineering data to discuss valve type, connection, material, capacity and documentation requirements.<\/p>\n\n    <figure class=\"zobai-figure\" data-image-status=\"verified\" data-image-slot=\"image-05-rfq-selection-checklist\">\n      <img loading=\"lazy\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/07\/what-is-a-high-pressure-safety-valve-rfq-selection-checklist.webp\" alt=\"Engineering RFQ checklist for high pressure safety valve selection parameters including pressure capacity temperature and back pressure\" title=\"High Pressure Safety Valve RFQ Checklist\" width=\"1200\" height=\"900\" loading=\"lazy\" decoding=\"async\">\n      <figcaption>A complete RFQ should include service medium, pressure data, required capacity, temperature, back pressure, connection rating, material and document requirements.<\/figcaption>\n      <p class=\"zobai-figure-note\">Checklist visual for inquiry preparation; actual valve selection requires project data and manufacturer review.<\/p>\n    <\/figure>\n\n    <div class=\"zobai-table-wrap\" role=\"region\" aria-label=\"High pressure safety valve RFQ and selection parameters checklist\" tabindex=\"0\">\n      <table class=\"zobai-table\">\n        <thead>\n          <tr>\n            <th>RFQ Parameter<\/th>\n            <th>Why It Matters<\/th>\n            <th>Buyer Input Needed<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td>Protected equipment<\/td>\n            <td>Defines the safety function<\/td>\n            <td>Boiler, vessel, reactor, compressor, pipeline, skid, heat exchanger or other equipment<\/td>\n          <\/tr>\n          <tr>\n            <td>Relief scenario<\/td>\n            <td>Determines required capacity<\/td>\n            <td>Blocked outlet, fire case, regulator failure, thermal expansion, tube rupture or other governing case<\/td>\n          <\/tr>\n          <tr>\n            <td>Medium and phase<\/td>\n            <td>Changes sizing, materials and valve type<\/td>\n            <td>Steam, gas, vapor, liquid, two-phase, corrosive, clean or dirty service<\/td>\n          <\/tr>\n          <tr>\n            <td>Operating pressure<\/td>\n            <td>Determines margin below set pressure<\/td>\n            <td>Normal and maximum operating pressure<\/td>\n          <\/tr>\n          <tr>\n            <td>MAWP \/ design pressure<\/td>\n            <td>Defines protected equipment limit<\/td>\n            <td>Equipment MAWP, design pressure or project pressure basis<\/td>\n          <\/tr>\n          <tr>\n            <td>Set pressure<\/td>\n            <td>Defines valve opening point<\/td>\n            <td>Required set pressure and applicable tolerance basis<\/td>\n          <\/tr>\n          <tr>\n            <td>Required relieving capacity<\/td>\n            <td>Determines flow area and capacity basis<\/td>\n            <td>Flow rate, units, calculation basis and required code basis where applicable<\/td>\n          <\/tr>\n          <tr>\n            <td>Relieving temperature<\/td>\n            <td>Affects material and pressure-temperature rating<\/td>\n            <td>Temperature at the relieving condition, not only normal operation<\/td>\n          <\/tr>\n          <tr>\n            <td>Back pressure<\/td>\n            <td>Affects stability and configuration<\/td>\n            <td>Superimposed and built-up back pressure; constant or variable<\/td>\n          <\/tr>\n          <tr>\n            <td>Inlet connection<\/td>\n            <td>Confirms fit and rating<\/td>\n            <td>DN\/NPS, flange class, PN rating, thread standard, facing and material<\/td>\n          <\/tr>\n          <tr>\n            <td>Outlet connection<\/td>\n            <td>Confirms discharge arrangement<\/td>\n            <td>Outlet size, flange\/thread standard, discharge route and piping support<\/td>\n          <\/tr>\n          <tr>\n            <td>Material \/ seat \/ seal<\/td>\n            <td>Affects compatibility and leakage<\/td>\n            <td>Body, trim, spring, seat, seal, gasket and project material requirements<\/td>\n          <\/tr>\n          <tr>\n            <td>Applicable standard<\/td>\n            <td>Defines design and documentation basis<\/td>\n            <td>ASME, API, ISO, EN\/DIN, GB or project-specific requirement where applicable<\/td>\n          <\/tr>\n          <tr>\n            <td>Documents<\/td>\n            <td>Defines inspection and handover scope<\/td>\n            <td>Datasheet, calibration record, material record, capacity basis, test report, inspection requirements<\/td>\n          <\/tr>\n          <tr>\n            <td>Replacement data<\/td>\n            <td>Prevents unsafe substitution<\/td>\n            <td>Nameplate, photos, old datasheet, service history and existing installation details<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <p>This checklist does not replace formal sizing or project approval. It is a practical starting point for RFQ preparation and engineering review.<\/p>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"common-mistakes\">\n    <h2>Common Mistakes When Specifying a High Pressure Safety Valve<\/h2>\n\n    <div class=\"zobai-grid\">\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Selecting by pressure class only<\/p>\n        <p>A flange class, PN rating or pressure label does not confirm set pressure suitability, capacity, temperature rating or material compatibility.<\/p>\n      <\/div>\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Using connection size as capacity proof<\/p>\n        <p>Two valves with the same inlet and outlet connection may not have the same orifice, lift, certified capacity or documented capacity basis.<\/p>\n      <\/div>\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Ignoring relieving temperature<\/p>\n        <p>A connection rating or material that appears suitable at ambient temperature may need further review at high relieving temperature.<\/p>\n      <\/div>\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Ignoring back pressure and outlet piping<\/p>\n        <p>A valve that looks correct on a datasheet can become unstable if the discharge system creates unacceptable pressure effects or mechanical loads.<\/p>\n      <\/div>\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Treating a standard name as the full specification<\/p>\n        <p>Referencing ASME, API, ISO, EN, DIN or GB may be important, but the buyer still needs to define the equipment, relief case, medium, pressure, temperature, capacity, material and document scope.<\/p>\n      <\/div>\n      <div class=\"zobai-card\">\n        <p class=\"zobai-card-title\">Replacing by appearance<\/p>\n        <p>Old and new valves must be compared by set pressure, capacity basis, connection rating, material, service condition, installation layout and documentation requirements.<\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"zobai-cta\" id=\"engineering-review\">\n    <h2>Request a High Pressure Safety Valve Engineering Review<\/h2>\n    <p>Ask ZOBAI for engineering parameter review when the service is high pressure, the required capacity is unclear, the medium is steam, gas, vapor, liquid or two-phase, the relieving temperature is high, the outlet system may create back pressure, or the project requires specific documents.<\/p>\n    <p>Before requesting a final model or quotation, send the protected equipment, relief scenario, medium and phase, operating pressure, MAWP or design pressure, set pressure, required relieving capacity, relieving temperature, back pressure, inlet and outlet connection, material requirements, applicable standard and document scope.<\/p>\n    <ul class=\"zobai-cta-list\">\n      <li>Protected equipment and relief scenario<\/li>\n      <li>Medium, phase and relieving temperature<\/li>\n      <li>Operating pressure, MAWP\/design pressure and set pressure<\/li>\n      <li>Required relieving capacity and calculation basis<\/li>\n      <li>Back pressure and discharge arrangement<\/li>\n      <li>Connection, material, seat\/seal and documents<\/li>\n    <\/ul>\n    <p>ZOBAI can review the inquiry information and help identify whether the RFQ is complete enough for valve type, configuration, material, connection and document discussion. Final selection must still be confirmed against actual service data, manufacturer data, applicable standard version, project specification and local regulatory requirements.<\/p>\n    <div class=\"zobai-btn-row\">\n      <a class=\"zobai-btn zobai-btn-primary\" href=\"https:\/\/zobai.com\/ask-an-engineer\/\">Ask a Safety Valve Engineer<\/a>\n      <a class=\"zobai-btn zobai-btn-secondary\" href=\"https:\/\/zobai.com\/contacts\/\">Contact ZOBAI<\/a>\n    <\/div>\n  <\/section>\n\n  <section class=\"zobai-section\" id=\"technical-references\">\n    <h2>Technical References for Further Review<\/h2>\n\n    <p>The following references are useful directions for engineers and procurement teams when reviewing pressure relief device requirements. They are listed for technical orientation only. Final project requirements depend on the applicable standard edition, project specification, manufacturer data and local regulatory review.<\/p>\n\n    <div class=\"zobai-table-wrap\" role=\"region\" aria-label=\"Technical references for high pressure safety valve review\" tabindex=\"0\">\n      <table class=\"zobai-table\">\n        <thead>\n          <tr>\n            <th>Reference Direction<\/th>\n            <th>Why It Matters<\/th>\n            <th>How to Use It in RFQ Review<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/bpvc-xiii-bpvc-section-xiii-rules-overpressure-protection\" target=\"_blank\" rel=\"noopener noreferrer\">ASME BPVC Section XIII<\/a><\/td>\n            <td>Provides a recognized framework for overpressure protection and pressure relief device requirements in applicable pressure equipment contexts.<\/td>\n            <td>Use it to clarify project expectations for design basis, inspection, testing, marking and documentation where the project specifies ASME-related requirements.<\/td>\n          <\/tr>\n          <tr>\n            <td><a href=\"https:\/\/www.api.org\/~\/media\/files\/publications\/whats%20new\/520_part2_e6%20pa.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">API 520 Part 2<\/a><\/td>\n            <td>Provides installation-related guidance for pressure-relief devices in applicable refinery, petrochemical and process-industry systems.<\/td>\n            <td>Use it as a reference direction when discussing inlet loss, outlet piping, back pressure, discharge routing and installation review.<\/td>\n          <\/tr>\n          <tr>\n            <td><a href=\"https:\/\/www.nationalboard.org\/index.aspx?ID=379&#038;pageID=164\" target=\"_blank\" rel=\"noopener noreferrer\">National Board technical guidance on temperature considerations<\/a><\/td>\n            <td>Helps explain why service temperature and back pressure can affect how set pressure and safety valve performance are reviewed in service.<\/td>\n            <td>Use it to support engineering discussion around service temperature, superimposed back pressure, built-up back pressure and replacement review.<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <div class=\"zobai-warning\">\n      <p><strong>Reference limitation:<\/strong> These links are provided for technical reference direction only. This article does not reproduce standard text and does not state that ZOBAI automatically complies with every listed standard, certificate or jurisdictional requirement. The applicable code basis, document scope and inspection requirements must be confirmed for each project before final selection.<\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"zobai-faq\" id=\"faq\">\n    <div class=\"zobai-section\">\n      <h2>FAQ<\/h2>\n    <\/div>\n\n    <div class=\"zobai-faq-item\" id=\"faq-what-is-considered\">\n      <h3>What is considered a high pressure safety valve?<\/h3>\n      <p>A high pressure safety valve is a safety valve intended for pressure protection in higher-pressure service, but there is no universal selection decision based only on the phrase \u201chigh pressure.\u201d Suitability depends on protected equipment, relief scenario, set pressure, required capacity, temperature, medium, connection rating, material and applicable project requirements.<\/p>\n    <\/div>\n\n    <div class=\"zobai-faq-item\" id=\"faq-set-pressure-operating-pressure\">\n      <h3>Is set pressure the same as operating pressure?<\/h3>\n      <p>No. Operating pressure is the normal system pressure. Set pressure is the pressure at which the safety valve is adjusted to open under specified conditions. In high pressure service, the margin between operating pressure and set pressure should be reviewed to avoid leakage, simmering or unstable operation.<\/p>\n    <\/div>\n\n    <div class=\"zobai-faq-item\" id=\"faq-connection-size\">\n      <h3>Can I choose a high pressure safety valve by connection size?<\/h3>\n      <p>No. Connection size does not prove relieving capacity. A valve must be checked against required relieving capacity, selected orifice or flow area, manufacturer data and any certified or documented capacity basis required by the project.<\/p>\n    <\/div>\n\n    <div class=\"zobai-faq-item\" id=\"faq-sizing-information\">\n      <h3>What information is needed for high pressure safety valve sizing?<\/h3>\n      <p>The buyer should provide the protected equipment, relief scenario, medium and phase, operating pressure, MAWP or design pressure, set pressure, required relieving capacity, relieving temperature, back pressure, connection details, material requirements and applicable standard or project specification.<\/p>\n    <\/div>\n\n    <div class=\"zobai-faq-item\" id=\"faq-pilot-operated\">\n      <h3>Does high pressure service always require a pilot operated safety valve?<\/h3>\n      <p>No. Spring loaded, bellows balanced and pilot operated designs may all be considered depending on the service. The correct configuration depends on pressure margin, medium cleanliness, back pressure, temperature, maintenance requirements, project acceptance and manufacturer limits.<\/p>\n    <\/div>\n\n    <div class=\"zobai-faq-item\" id=\"faq-pressure-temperature\">\n      <h3>Why is pressure-temperature rating important?<\/h3>\n      <p>Pressure-temperature rating shows whether the selected material and connection rating remain suitable at the relevant temperature. A valve or flange rating that appears acceptable at one temperature may need additional review at the actual relieving temperature.<\/p>\n    <\/div>\n\n    <div class=\"zobai-faq-item\" id=\"faq-send-before-quotation\">\n      <h3>What should I send to ZOBAI before quotation?<\/h3>\n      <p>Send the equipment type, relief scenario, medium, operating pressure, design pressure or MAWP, set pressure, required relieving capacity, relieving temperature, back pressure, inlet and outlet connection, material requirements, applicable standard, required documents, quantity and any existing datasheet or nameplate for replacement.<\/p>\n    <\/div>\n  <\/section>\n\n  <section class=\"zobai-author\" id=\"technical-note\">\n    <h2>Technical Review and Selection Limitation Note<\/h2>\n    <p>This article is written for engineering communication and RFQ preparation. It does not replace formal relief calculation, manufacturer-certified or documented capacity data, applicable code review, third-party inspection requirements or approval by the project\u2019s responsible engineer.<\/p>\n    <p>ZOBAI can help review inquiry parameters, but final valve selection depends on actual service conditions, selected model data, applicable standard version, project specifications and local regulatory requirements.<\/p>\n  <\/section>\n\n<\/article>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"TechArticle\",\n      \"@id\": \"https:\/\/zobai.com\/en\/what-is-a-high-pressure-safety-valve\/#techarticle\",\n      \"headline\": \"What Is a High Pressure Safety Valve?\",\n      \"description\": \"A technical guide explaining what a high pressure safety valve is and which set pressure, capacity, temperature, back pressure, material, connection rating and RFQ data buyers should confirm.\",\n      \"url\": \"https:\/\/zobai.com\/en\/what-is-a-high-pressure-safety-valve\/\",\n      \"mainEntityOfPage\": \"https:\/\/zobai.com\/en\/what-is-a-high-pressure-safety-valve\/\",\n      \"image\": \"https:\/\/zobai.com\/wp-content\/uploads\/2026\/07\/what-is-a-high-pressure-safety-valve-hero.webp\",\n      \"inLanguage\": \"en\",\n      \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"ZOBAI\",\n        \"url\": \"https:\/\/zobai.com\/\"\n      },\n      \"about\": [\n        \"high pressure safety valve\",\n        \"safety valve set pressure\",\n        \"safety valve sizing\",\n        \"relieving capacity\",\n        \"pressure-temperature rating\",\n        \"back pressure\"\n      ],\n      \"audience\": {\n        \"@type\": \"Audience\",\n        \"audienceType\": \"Engineers, procurement teams, maintenance users and QA inspectors evaluating high pressure safety valve requirements\"\n      }\n    },\n    {\n      \"@type\": \"FAQPage\",\n      \"@id\": \"https:\/\/zobai.com\/en\/what-is-a-high-pressure-safety-valve\/#faq\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What is considered a high pressure safety valve?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"A high pressure safety valve is a safety valve intended for pressure protection in higher-pressure service, but there is no universal selection decision based only on the phrase high pressure. Suitability depends on protected equipment, relief scenario, set pressure, required capacity, temperature, medium, connection rating, material and applicable project requirements.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Is set pressure the same as operating pressure?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"No. Operating pressure is the normal system pressure. Set pressure is the pressure at which the safety valve is adjusted to open under specified conditions. In high pressure service, the margin between operating pressure and set pressure should be reviewed to avoid leakage, simmering or unstable operation.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can I choose a high pressure safety valve by connection size?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"No. Connection size does not prove relieving capacity. A valve must be checked against required relieving capacity, selected orifice or flow area, manufacturer data and any certified or documented capacity basis required by the project.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"What information is needed for high pressure safety valve sizing?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"The buyer should provide the protected equipment, relief scenario, medium and phase, operating pressure, MAWP or design pressure, set pressure, required relieving capacity, relieving temperature, back pressure, connection details, material requirements and applicable standard or project specification.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Does high pressure service always require a pilot operated safety valve?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"No. Spring loaded, bellows balanced and pilot operated designs may all be considered depending on the service. The correct configuration depends on pressure margin, medium cleanliness, back pressure, temperature, maintenance requirements, project acceptance and manufacturer limits.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Why is pressure-temperature rating important?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"Pressure-temperature rating shows whether the selected material and connection rating remain suitable at the relevant temperature. 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A high pressure safety valve is not selected by pressure rating alone. Buyers must confirm set pressure, required relieving capacity, medium, temperature, back pressure, connection rating, material and documentation before RFQ or replacement. Core question What does \u201chigh pressure\u201d mean in safety valve selection?&#8230;<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-55474","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/posts\/55474","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/comments?post=55474"}],"version-history":[{"count":2,"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/posts\/55474\/revisions"}],"predecessor-version":[{"id":55481,"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/posts\/55474\/revisions\/55481"}],"wp:attachment":[{"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/media?parent=55474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/categories?post=55474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zobai.com\/fr\/wp-json\/wp\/v2\/tags?post=55474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}