{"id":55416,"date":"2026-06-24T02:35:10","date_gmt":"2026-06-24T02:35:10","guid":{"rendered":"https:\/\/zobai.com\/?p=55416"},"modified":"2026-06-24T02:35:12","modified_gmt":"2026-06-24T02:35:12","slug":"npt-vs-bsp-threaded-safety-valves","status":"publish","type":"post","link":"https:\/\/zobai.com\/ru\/blog\/npt-vs-bsp-threaded-safety-valves\/","title":{"rendered":"\u0420\u0435\u0437\u044c\u0431\u043e\u0432\u044b\u0435 \u043f\u0440\u0435\u0434\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043a\u043b\u0430\u043f\u0430\u043d\u044b NPT \u043f\u0440\u043e\u0442\u0438\u0432 BSP: \u0447\u0442\u043e \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0434\u0438\u0442\u044c \u043f\u043e\u043a\u0443\u043f\u0430\u0442\u0435\u043b\u044f\u043c"},"content":{"rendered":"\n<style>\n.zobai-npt-bsp-page{\n  --z-primary:#0f766e;\n  --z-primary-dark:#0b4f49;\n  --z-accent:#14b8a6;\n  --z-text:#1f2933;\n  --z-muted:#5f6b75;\n  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color:#ffffff;\n}\n.zobai-npt-bsp-page .zobai-cta h2,\n.zobai-npt-bsp-page .zobai-cta p,\n.zobai-npt-bsp-page .zobai-cta li{\n  color:#ffffff;\n}\n.zobai-npt-bsp-page .zobai-btns{\n  display:flex;\n  flex-wrap:wrap;\n  gap:12px;\n  margin-top:20px;\n}\n.zobai-npt-bsp-page .zobai-btn{\n  display:inline-flex;\n  align-items:center;\n  justify-content:center;\n  min-height:44px;\n  padding:11px 18px;\n  border-radius:999px;\n  background:#ffffff;\n  color:var(--z-primary-dark);\n  font-weight:800;\n  border-bottom:0;\n}\n.zobai-npt-bsp-page .zobai-btn:hover{\n  background:#f0fdfa;\n  color:var(--z-primary-dark);\n}\n.zobai-npt-bsp-page .zobai-btn-secondary{\n  background:transparent;\n  color:#ffffff;\n  border:1px solid rgba(255,255,255,.68);\n}\n.zobai-npt-bsp-page .zobai-btn-secondary:hover{\n  background:rgba(255,255,255,.1);\n  color:#ffffff;\n}\n.zobai-npt-bsp-page .zobai-cta a{\n  border-bottom:0;\n}\n@media (max-width:900px){\n  .zobai-npt-bsp-page .zobai-wrap{\n    padding:0 18px;\n  }\n  .zobai-npt-bsp-page .zobai-hero{\n    padding:28px;\n  }\n  .zobai-npt-bsp-page .zobai-toc ul{\n    grid-template-columns:1fr;\n  }\n}\n@media (max-width:640px){\n  .zobai-npt-bsp-page .zobai-wrap{\n    padding:0 16px;\n  }\n  .zobai-npt-bsp-page .zobai-hero{\n    padding:22px;\n    border-radius:var(--z-radius-md);\n  }\n  .zobai-npt-bsp-page h3{\n    font-size:20px;\n  }\n  .zobai-npt-bsp-page .zobai-meta span,\n  .zobai-npt-bsp-page .zobai-btn{\n    width:100%;\n  }\n  .zobai-npt-bsp-page .zobai-toc,\n  .zobai-npt-bsp-page .zobai-box,\n  .zobai-npt-bsp-page .zobai-callout,\n  .zobai-npt-bsp-page .zobai-warning,\n  .zobai-npt-bsp-page .zobai-cta{\n    padding:20px;\n  }\n  .zobai-npt-bsp-page .zobai-table{\n    min-width:780px;\n  }\n}\n<\/style>\n\n<article class=\"zobai-npt-bsp-page\">\n  <div class=\"zobai-wrap\">\n\n<section class=\"zobai-hero\">\n  <p class=\"zobai-eyebrow\">Threaded Safety Valve Connection Guide<\/p>\n  <h2>Confirm NPT, BSPP or BSPT Before Ordering Threaded Safety Valves<\/h2>\n  <p>NPT and BSP threaded safety valves should not be selected by nominal size alone. A buyer may see \u201c1\/2 inch,\u201d \u201c3\/4 inch,\u201d or \u201c1 inch\u201d on an existing valve or pipe connection, but that size does not confirm whether the thread is NPT, BSPP, BSPT, male, female, tapered, parallel, or compatible with the site connection.<\/p>\n  <p>For buyers, this is a pressure relief valve connection issue as well as a safety valve selection issue. This article helps buyers separate thread connection confirmation from full safety valve selection before ordering or replacing a <a href=\"https:\/\/zobai.com\/safety-valves\/threaded-safety-valves\/\">threaded safety valve<\/a>.<\/p>\n  <div class=\"zobai-meta\">\n    <span>Core keyword: NPT vs BSP threaded safety valves<\/span>\n    <span>Intent: RFQ validation<\/span>\n    <span>Buyer stage: evaluation \/ procurement<\/span>\n  <\/div>\n<\/section>\n\n<figure class=\"zobai-figure\" data-image-slot=\"image-01-hero\">\n  <img loading=\"lazy\" fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/06\/npt-vs-bsp-threaded-safety-valves-hero.webp\" alt=\"NPT vs BSP threaded safety valves buyer confirmation illustration with thread standard and connection checklist\" title=\"NPT vs BSP threaded safety valves buyer confirmation\" loading=\"lazy\" fetchpriority=\"high\" width=\"1200\" height=\"900\">\n  <figcaption>Buyers should confirm thread standard, gender, sealing method and operating parameters before ordering NPT or BSP threaded safety valves.<\/figcaption>\n<\/figure>\n\n<nav class=\"zobai-toc\" aria-label=\"On this page\">\n  <strong>On this page<\/strong>\n  <ul>\n    <li><a href=\"#quick-answer\">Quick answer<\/a><\/li>\n    <li><a href=\"#thread-size-not-enough\">Why thread size alone is not enough<\/a><\/li>\n    <li><a href=\"#connection-vs-selection\">Connection data vs selection data<\/a><\/li>\n    <li><a href=\"#npt-threaded-safety-valves\">NPT threaded safety valves<\/a><\/li>\n    <li><a href=\"#bsp-threaded-safety-valves\">BSP threaded safety valves<\/a><\/li>\n    <li><a href=\"#comparison-table\">NPT vs BSP comparison table<\/a><\/li>\n    <li><a href=\"#male-female-thread\">Male vs female thread<\/a><\/li>\n    <li><a href=\"#mistakes\">Common compatibility mistakes<\/a><\/li>\n    <li><a href=\"#sealing-method\">Sealing method<\/a><\/li>\n    <li><a href=\"#pressure-temperature-medium\">Pressure, temperature and medium<\/a><\/li>\n    <li><a href=\"#replacement-confirmation\">Replacement confirmation<\/a><\/li>\n    <li><a href=\"#rfq-checklist\">RFQ checklist<\/a><\/li>\n    <li><a href=\"#product-reference\">Product reference<\/a><\/li>\n    <li><a href=\"#standards-documents\">Standards and documents<\/a><\/li>\n    <li><a href=\"#cta\">Engineering review CTA<\/a><\/li>\n    <li><a href=\"#faq\">FAQ<\/a><\/li>\n  <\/ul>\n<\/nav>\n\n<section id=\"quick-answer\" class=\"zobai-box\">\n  <h2>Quick Answer: NPT vs BSP Threaded Safety Valves<\/h2>\n  <p>NPT and BSP threaded safety valves should not be selected by nominal size alone. A buyer may see \u201c1\/2 inch,\u201d \u201c3\/4 inch,\u201d or \u201c1 inch\u201d on an existing valve or pipe connection, but that size does not confirm whether the thread is NPT, BSPP, BSPT, male, female, tapered, parallel, or compatible with the site connection.<\/p>\n  <p>For a threaded safety valve, the thread standard only defines the connection interface. It does not define the valve set pressure, required relieving capacity, pressure-temperature suitability, body material, seat\/seal material, spring range, certification scope or final project suitability. Buyers should confirm both connection data and service data before quotation.<\/p>\n  <p>Before ordering an NPT or BSP threaded safety valve, confirm the thread standard, BSPP\/BSPT variant, male or female connection, sealing method, field piping standard, medium and phase, operating pressure, MAWP or design pressure, set pressure, required capacity, relieving temperature, material and document requirements. ZOBAI can review these parameters before quotation, but final selection still depends on the real operating conditions, relief scenario, manufacturer data, applicable standard version, project specification and local regulatory requirements.<\/p>\n<\/section>\n\n<section id=\"thread-size-not-enough\">\n  <h2>Why Thread Size Alone Is Not Enough<\/h2>\n  <p>Many purchasing errors start with a simple assumption: \u201cThe old valve is 1\/2 inch, so any 1\/2 inch threaded safety valve should fit.\u201d For pressure relief service, that assumption is not safe enough. A nominal size is only one part of the connection definition. It does not confirm the thread form, pitch, taper, sealing method, gender, pressure-temperature suitability or project standard.<\/p>\n  <p>A threaded safety valve is part of a pressure protection system. The connection must physically fit, seal correctly and match the operating conditions. If the thread standard is wrong, even a valve with the same nominal size may not assemble properly or may appear to tighten while still leaving a leakage path.<\/p>\n\n  <h3>A 1\/2 Inch Thread Does Not Define the Thread Standard<\/h3>\n  <p>A \u201c1\/2 inch\u201d threaded connection may refer to different thread systems depending on the region, project specification and equipment origin. NPT, BSPP and BSPT are not the same connection standard. They can differ in thread profile, pitch, taper behavior and sealing method.<\/p>\n\n  <h3>Thread Form, Pitch and Sealing Method Must Match<\/h3>\n  <p>Thread compatibility is not only about whether the valve can be screwed into the pipe. The thread form and sealing method must match the field connection. If the thread form is incompatible, the connection may bind, cross-thread, leak or fail to achieve a reliable seal.<\/p>\n\n  <h3>Wrong Thread Selection Can Cause Leakage or Installation Failure<\/h3>\n  <p>A wrong thread selection can cause failed assembly, leakage during pressure test, delayed replacement, unsuitable discharge orientation or unsafe field modification. Thread sealant, PTFE tape or assembly force should not be used to compensate for an incompatible thread standard. For broader site-fit considerations, buyers can also review ZOBAI\u2019s <a href=\"https:\/\/zobai.com\/engineering\/safety-valve-installation-guide\/\">safety valve installation guide<\/a>.<\/p>\n<\/section>\n\n<section id=\"connection-vs-selection\">\n  <h2>Connection Data vs Safety Valve Selection Data<\/h2>\n  <p>Thread confirmation and safety valve selection are related, but they are not the same engineering task. A valve can have the correct thread and still be unsuitable for the service if the set pressure, required relieving capacity, temperature, medium or material is wrong. A valve can also be correctly selected for pressure relief duty but fail on site if the threaded connection does not match the piping standard.<\/p>\n\n  <div class=\"zobai-table-wrap\">\n    <table class=\"zobai-table\">\n      <thead>\n        <tr>\n          <th>Data Group<\/th>\n          <th>What It Confirms<\/th>\n          <th>Examples<\/th>\n          <th>Risk If Missing<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Connection data<\/td>\n          <td>Whether the valve can physically connect and seal correctly.<\/td>\n          <td>NPT\/BSPP\/BSPT, male\/female, nominal thread size, inlet\/outlet thread, sealing method, field piping standard.<\/td>\n          <td>Wrong thread, leakage, installation delay, forced assembly or site modification.<\/td>\n        <\/tr>\n        <tr>\n          <td>Service data<\/td>\n          <td>Whether the valve can protect the equipment under the required relief condition.<\/td>\n          <td>Protected equipment, relief scenario, medium, operating pressure, MAWP\/design pressure, set pressure, required relieving capacity, temperature, material.<\/td>\n          <td>Wrong valve selection, unsuitable material, wrong pressure setting or incomplete documentation.<\/td>\n        <\/tr>\n        <tr>\n          <td>Document data<\/td>\n          <td>Whether the quotation matches project approval requirements.<\/td>\n          <td>Test report, material certificate, inspection scope, applicable standard, project specification.<\/td>\n          <td>Missing documents, delayed approval or rework before delivery.<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <p>A complete RFQ should include all three groups. If the buyer only provides \u201c1\/2 inch BSP safety valve,\u201d ZOBAI still needs to confirm whether it is BSPP or BSPT, male or female, how it seals, what equipment it protects, what set pressure is required, and what documents the project needs.<\/p>\n<\/section>\n\n<section id=\"npt-threaded-safety-valves\">\n  <h2>What Are NPT Threaded Safety Valves?<\/h2>\n  <p>NPT threaded safety valves are safety valves with NPT threaded connections on the inlet, outlet or both sides, depending on the valve design and application. They are often requested for equipment, piping systems or projects where NPT is the specified pipe thread standard.<\/p>\n\n  <h3>NPT Thread Basics for Safety Valve Buyers<\/h3>\n  <p>NPT is a tapered pipe thread system. In threaded safety valve applications, buyers often specify NPT when the valve must connect to NPT piping or equipment ports. However, a general request for an \u201cNPT safety valve\u201d is still incomplete if it does not specify the connection size, gender, inlet\/outlet configuration and service data.<\/p>\n\n  <h3>How NPT Threads Usually Seal<\/h3>\n  <p>NPT threads are commonly used with tapered thread engagement and a project-approved thread sealing method. The sealing method may involve thread sealant, PTFE tape or another approved method depending on the service and site practice. The sealing method must be compatible with the medium, temperature, pressure and local installation requirements.<\/p>\n\n  <h3>What to Confirm Before Ordering an NPT Safety Valve<\/h3>\n  <ul>\n    <li>NPT thread size and male\/female thread.<\/li>\n    <li>Inlet and outlet connection type.<\/li>\n    <li>Medium and phase.<\/li>\n    <li>Operating pressure, MAWP\/design pressure and set pressure.<\/li>\n    <li>Required relieving capacity if available.<\/li>\n    <li>Relieving temperature, material and document requirements.<\/li>\n  <\/ul>\n  <p>For broader product navigation, see ZOBAI\u2019s <a href=\"https:\/\/zobai.com\/safety-valves\/\">safety valves<\/a> category.<\/p>\n<\/section>\n\n<section id=\"bsp-threaded-safety-valves\">\n  <h2>What Are BSP Threaded Safety Valves?<\/h2>\n  <p>BSP threaded safety valves are safety valves with British Standard Pipe threaded connections. Buyers must be careful because \u201cBSP\u201d alone is not precise enough. In many RFQs, the supplier still needs to know whether the buyer means BSPP or BSPT, and whether the connection is male or female.<\/p>\n\n  <h3>BSPP vs BSPT: Why Buyers Must Confirm the Variant<\/h3>\n  <p>BSPP is a parallel thread type. BSPT is a tapered thread type. This difference matters because the sealing method and installation expectation can be different. If a buyer requests only \u201cBSP safety valve,\u201d the supplier may need to ask whether the project requires BSPP or BSPT before providing a reliable quotation.<\/p>\n\n  <h3>BSPP Parallel Thread and Sealing Method<\/h3>\n  <p>BSPP threads are parallel. In many applications, the sealing is not created by thread taper alone. A gasket, O-ring, bonded seal, washer, sealing face or project-specified seal may be required. The exact arrangement depends on the equipment design and valve connection detail.<\/p>\n\n  <h3>BSPT Tapered Thread and Sealing Method<\/h3>\n  <p>BSPT is a tapered thread type. It may use thread engagement and sealing methods suitable for tapered pipe threads, depending on the service and project standard. However, BSPT should not be treated as interchangeable with NPT. Even if both are tapered thread systems, the thread form and compatibility are not the same.<\/p>\n\n  <h3>What to Confirm Before Ordering a BSP Safety Valve<\/h3>\n  <p>Before ordering a BSP safety valve, buyers should confirm BSPP or BSPT, male or female thread, nominal size, inlet and outlet connection, sealing method, field piping standard, existing valve drawing, medium, temperature, set pressure, material and documentation requirements. For adjacent product context, see ZOBAI\u2019s <a href=\"https:\/\/zobai.com\/safety-valves\/pressure-relief-valves\/\">pressure relief valves<\/a> page.<\/p>\n<\/section>\n\n<section id=\"comparison-table\">\n  <h2>NPT vs BSP Buyer Confirmation Comparison Table<\/h2>\n  <p>The following table is intended for buyer-side confirmation before RFQ. It is not a substitute for project engineering review, but it helps avoid the common mistake of ordering a threaded safety valve by size alone.<\/p>\n\n  <figure class=\"zobai-figure\" data-image-slot=\"image-02-thread-profile\">\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/06\/npt-bsp-bspp-bspt-thread-profile-diagram.webp\" alt=\"Engineering diagram comparing NPT BSPP and BSPT threaded safety valve connection profiles and sealing methods\" title=\"NPT BSPP and BSPT thread profile comparison\" loading=\"lazy\" width=\"1200\" height=\"900\">\n    <figcaption>Simplified comparison of NPT, BSPP and BSPT connection logic for buyer communication; not an official thread standard drawing.<\/figcaption>\n  <\/figure>\n\n  <div class=\"zobai-table-wrap\">\n    <table class=\"zobai-table\">\n      <thead>\n        <tr>\n          <th>Item to Confirm<\/th>\n          <th>NPT<\/th>\n          <th>BSPP<\/th>\n          <th>BSPT<\/th>\n          <th>Why It Matters for Safety Valves<\/th>\n          <th>What Buyer Should Send to ZOBAI<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Thread standard<\/td>\n          <td>Confirm as NPT.<\/td>\n          <td>Confirm as BSPP.<\/td>\n          <td>Confirm as BSPT.<\/td>\n          <td>Determines whether the valve can match the field connection.<\/td>\n          <td>Thread callout, drawing, old valve data or pipe standard.<\/td>\n        <\/tr>\n        <tr>\n          <td>Tapered or parallel<\/td>\n          <td>Tapered thread system.<\/td>\n          <td>Parallel thread system.<\/td>\n          <td>Tapered thread system.<\/td>\n          <td>Tapered and parallel threads usually require different sealing logic.<\/td>\n          <td>Thread type confirmation and sealing detail.<\/td>\n        <\/tr>\n        <tr>\n          <td>Male \/ female connection<\/td>\n          <td>Must be specified.<\/td>\n          <td>Must be specified.<\/td>\n          <td>Must be specified.<\/td>\n          <td>Male and female connections are not interchangeable.<\/td>\n          <td>Inlet and outlet gender, photos or drawing.<\/td>\n        <\/tr>\n        <tr>\n          <td>Nominal size<\/td>\n          <td>Size alone is incomplete.<\/td>\n          <td>Size alone is incomplete.<\/td>\n          <td>Size alone is incomplete.<\/td>\n          <td>1\/2 inch or 3\/4 inch does not define the full connection.<\/td>\n          <td>Nominal size plus thread standard and gender.<\/td>\n        <\/tr>\n        <tr>\n          <td>Sealing method<\/td>\n          <td>Project-approved thread sealing method may be required.<\/td>\n          <td>Usually needs a separate sealing arrangement depending on design.<\/td>\n          <td>Tapered thread sealing method may be required.<\/td>\n          <td>Wrong sealing method can cause leakage.<\/td>\n          <td>Sealant, gasket, O-ring, washer or sealing face requirement.<\/td>\n        <\/tr>\n        <tr>\n          <td>Verification method<\/td>\n          <td>Check drawing, old order or thread gauge.<\/td>\n          <td>Check drawing, seal face and equipment standard.<\/td>\n          <td>Check drawing, old order or thread gauge.<\/td>\n          <td>Prevents guessing from appearance or nominal size.<\/td>\n          <td>Nameplate, close-up thread photos, equipment drawing and previous purchase record.<\/td>\n        <\/tr>\n        <tr>\n          <td>Existing adapter or reducer<\/td>\n          <td>May hide the true site connection.<\/td>\n          <td>May hide the sealing face requirement.<\/td>\n          <td>May hide the true taper thread requirement.<\/td>\n          <td>Adapters can mislead replacement selection.<\/td>\n          <td>Photos showing the valve, adapter, reducer and mating connection.<\/td>\n        <\/tr>\n        <tr>\n          <td>RFQ risk if missing<\/td>\n          <td>Wrong NPT size\/gender can delay replacement.<\/td>\n          <td>BSPP confused with BSPT can cause sealing problems.<\/td>\n          <td>BSPT confused with NPT can cause mismatch.<\/td>\n          <td>Incomplete RFQ causes repeated clarification or wrong order.<\/td>\n          <td>Complete parameter checklist and document requirements.<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/section>\n\n<section id=\"male-female-thread\">\n  <h2>Male Thread vs Female Thread: What Buyers Should Specify<\/h2>\n  <p>Thread standard is only one part of the connection. Buyers must also specify whether the safety valve connection is male or female. This applies to the inlet and outlet separately. A valve may have a female threaded inlet and a threaded outlet, or another arrangement depending on design.<\/p>\n\n  <figure class=\"zobai-figure\" data-image-slot=\"image-03-male-female\">\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/06\/threaded-safety-valve-male-female-connection.webp\" alt=\"Threaded safety valve male and female connection diagram showing inlet and outlet thread confirmation\" title=\"Male and female threaded safety valve connection confirmation\" loading=\"lazy\" width=\"1200\" height=\"900\">\n    <figcaption>Male and female thread confirmation should be specified separately for inlet and outlet connections.<\/figcaption>\n  <\/figure>\n\n  <h3>Inlet Thread Gender<\/h3>\n  <p>The inlet connection is critical because it connects the safety valve to the protected equipment or pressure source. If the inlet gender is wrong, the valve may not be installable without adapters or field modification.<\/p>\n\n  <h3>Outlet Thread Gender<\/h3>\n  <p>The outlet connection affects discharge piping, venting direction and safe discharge routing. A threaded outlet must match the discharge arrangement required by the site.<\/p>\n\n  <h3>Why Photos and Drawings Reduce RFQ Mistakes<\/h3>\n  <p>Photos and drawings can reduce connection mistakes. A buyer should send close-up photos of the thread, valve nameplate, valve body marking, installation location and mating pipe connection. If a drawing is available, it should show thread callout, nominal size, male\/female connection, sealing face and installation orientation.<\/p>\n<\/section>\n\n<section id=\"mistakes\">\n  <h2>BSPP vs BSPT vs NPT: Common Compatibility Mistakes<\/h2>\n  <p>Threaded safety valve mistakes often occur when buyers treat different thread systems as visually similar parts. The safest approach is to confirm the thread standard before quotation, especially when replacing an existing valve from imported equipment, OEM skids or mixed-standard piping systems.<\/p>\n\n  <figure class=\"zobai-figure\" data-image-slot=\"image-04-connection-risk\">\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/06\/threaded-safety-valve-connection-mistake-risk.webp\" alt=\"Threaded safety valve connection mistake risk illustration showing wrong thread standard and leakage warning\" title=\"Threaded safety valve wrong thread connection leakage risk\" loading=\"lazy\" width=\"1200\" height=\"900\">\n    <figcaption>Wrong thread standard, gender or sealing method can cause leakage or failed installation; thread sealant should not be used to compensate for incompatible threads.<\/figcaption>\n  <\/figure>\n\n  <div class=\"zobai-table-wrap\">\n    <table class=\"zobai-table\">\n      <thead>\n        <tr>\n          <th>Common Mistake<\/th>\n          <th>Why It Happens<\/th>\n          <th>Possible Risk<\/th>\n          <th>Correct Confirmation<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Ordering by \u201c1\/2 inch\u201d only<\/td>\n          <td>Buyer sees nominal size and assumes it is enough.<\/td>\n          <td>Wrong thread standard or gender.<\/td>\n          <td>Confirm size + NPT\/BSPP\/BSPT + male\/female.<\/td>\n        <\/tr>\n        <tr>\n          <td>Treating BSPP and BSPT as the same<\/td>\n          <td>Both are called \u201cBSP\u201d in casual RFQs.<\/td>\n          <td>Wrong sealing method or failed assembly.<\/td>\n          <td>Confirm parallel or tapered thread.<\/td>\n        <\/tr>\n        <tr>\n          <td>Assuming NPT and BSP are interchangeable<\/td>\n          <td>Both may appear as pipe threads.<\/td>\n          <td>Thread mismatch, leakage or damaged threads.<\/td>\n          <td>Confirm thread form, pitch and project standard.<\/td>\n        <\/tr>\n        <tr>\n          <td>Relying on thread sealant to solve mismatch<\/td>\n          <td>Buyer tries to make the connection seal on site.<\/td>\n          <td>Unsafe leakage risk or poor engagement.<\/td>\n          <td>Use the correct thread standard and sealing method.<\/td>\n        <\/tr>\n        <tr>\n          <td>Replacing old valve without checking nameplate<\/td>\n          <td>Old valve appears similar.<\/td>\n          <td>Wrong set pressure, material, thread or document scope.<\/td>\n          <td>Send nameplate and previous purchase record.<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/section>\n\n<section id=\"sealing-method\">\n  <h2>Sealing Method: Thread Sealant, Gasket, O-Ring or Project Standard?<\/h2>\n  <p>The sealing method is a major reason why NPT, BSPP and BSPT should not be treated as interchangeable. The buyer should confirm how the connection is intended to seal before ordering the valve.<\/p>\n\n  <h3>Tapered Thread Sealing Is Not the Same as Parallel Thread Sealing<\/h3>\n  <p>Tapered threads and parallel threads usually follow different sealing logic. A tapered thread connection may depend on thread engagement and a compatible sealing compound, while a parallel thread connection may depend on a gasket, O-ring, bonded seal, washer or sealing face.<\/p>\n\n  <h3>Why Seal Material Depends on Medium and Temperature<\/h3>\n  <p>Seal material must be compatible with the medium, temperature, pressure and site requirements. A sealing method suitable for clean air may not be suitable for steam, corrosive gas, oxygen service, high temperature service, oil, water or dirty process media.<\/p>\n\n  <h3>Do Not Use Sealant to Compensate for the Wrong Thread<\/h3>\n  <p>Thread sealant should not be used as a workaround for an incompatible thread. If the valve thread standard does not match the equipment or piping standard, the correct action is to confirm and select the right connection, not to force assembly.<\/p>\n<\/section>\n\n<section id=\"pressure-temperature-medium\">\n  <h2>Pressure, Temperature and Medium Still Matter<\/h2>\n  <p>Thread compatibility is important, but it does not complete the safety valve selection. A threaded safety valve still needs to match the pressure relief duty, operating conditions, material requirements and document scope.<\/p>\n\n  <h3>Thread Type Does Not Define Set Pressure<\/h3>\n  <p>NPT, BSPP or BSPT describes the connection, not the set pressure. Two threaded safety valves with the same connection may have different set pressures, spring ranges, body materials, seat designs, discharge capacities and document requirements.<\/p>\n\n  <h3>Pressure-Temperature Rating Must Be Confirmed<\/h3>\n  <p>A threaded connection does not automatically prove that the valve is suitable for the operating pressure and temperature. Pressure-temperature rating depends on valve design, body material, connection detail, seat\/seal material and applicable standard or project specification. For broader context, see ZOBAI\u2019s <a href=\"https:\/\/zobai.com\/standards\/pressure-temperature-ratings\/\">pressure-temperature ratings<\/a> guide.<\/p>\n\n  <h3>Medium and Phase Affect Material and Seal Selection<\/h3>\n  <p>The medium affects material selection, seat design, seal compatibility and valve type. Steam, air, nitrogen, natural gas, water, oil, corrosive gas and process vapor may require different material and sealing considerations. Many threaded valves are spring operated, but the exact valve construction should still be confirmed; see ZOBAI\u2019s <a href=\"https:\/\/zobai.com\/safety-valves\/spring-loaded-safety-valves\/\">spring loaded safety valves<\/a> page for product-family context.<\/p>\n<\/section>\n\n<section id=\"replacement-confirmation\">\n  <h2>How to Confirm an Existing Threaded Safety Valve Before Replacement<\/h2>\n  <p>Replacing an existing threaded safety valve requires more than matching appearance. The old valve may have a thread standard that is not obvious from a photo, or it may have been installed with adapters, sealants or non-standard field modifications.<\/p>\n\n  <h3>Check the Nameplate, Datasheet and Previous Purchase Record<\/h3>\n  <p>The nameplate may provide set pressure, size, material, model or other identification. The previous purchase record may show the exact thread standard and connection description. If the original datasheet is available, it is usually more reliable than visual inspection alone.<\/p>\n\n  <h3>Measure Carefully but Do Not Guess the Standard<\/h3>\n  <p>Field measurement can help, but it should not become a guess. Thread diameter alone may not identify NPT, BSPP or BSPT. If a thread gauge, drawing or confirmed equipment standard is available, it should be used. If not, the buyer should mark the thread type as \u201cto be confirmed\u201d and send photos or drawings to ZOBAI.<\/p>\n\n  <h3>Replacement Verification Workflow Before RFQ<\/h3>\n  <div class=\"zobai-table-wrap\">\n    <table class=\"zobai-table\">\n      <thead>\n        <tr>\n          <th>Step<\/th>\n          <th>Buyer Action<\/th>\n          <th>Why It Matters<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>1<\/td>\n          <td>Photograph the complete valve, nameplate, inlet thread, outlet thread and connected piping.<\/td>\n          <td>Helps identify whether the issue is thread standard, valve rating, material or installation arrangement.<\/td>\n        <\/tr>\n        <tr>\n          <td>2<\/td>\n          <td>Check the old datasheet or purchase record.<\/td>\n          <td>Confirms whether the old order specified NPT, BSPP, BSPT, male\/female and sealing method.<\/td>\n        <\/tr>\n        <tr>\n          <td>3<\/td>\n          <td>Confirm the protected equipment and relief scenario.<\/td>\n          <td>Prevents replacing a valve that fits mechanically but is not correct for the safety duty.<\/td>\n        <\/tr>\n        <tr>\n          <td>4<\/td>\n          <td>Confirm operating pressure, MAWP\/design pressure and set pressure separately.<\/td>\n          <td>Avoids mixing normal pressure, equipment design basis and valve opening pressure.<\/td>\n        <\/tr>\n        <tr>\n          <td>5<\/td>\n          <td>Confirm required relieving capacity if available.<\/td>\n          <td>Thread size does not prove the valve has the required relieving capacity.<\/td>\n        <\/tr>\n        <tr>\n          <td>6<\/td>\n          <td>Confirm medium, temperature and material compatibility.<\/td>\n          <td>Prevents corrosion, seal failure or unsuitable trim selection.<\/td>\n        <\/tr>\n        <tr>\n          <td>7<\/td>\n          <td>Confirm document requirements before quotation.<\/td>\n          <td>Avoids missing test reports, material certificates or project inspection requirements.<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <div class=\"zobai-warning\">\n    <p><strong>RFQ note:<\/strong> If any item is unknown, mark it as \u201cto be confirmed\u201d rather than guessing. A guessed thread standard or guessed set pressure can lead to the wrong valve being ordered.<\/p>\n  <\/div>\n<\/section>\n\n<section id=\"rfq-checklist\">\n  <h2>RFQ \/ Selection Parameters Checklist for Threaded Safety Valves<\/h2>\n  <p>A complete RFQ should combine connection data, service data and document data. The table below helps buyers prepare the information ZOBAI needs before recommending or quoting an NPT or BSP threaded safety valve.<\/p>\n\n  <figure class=\"zobai-figure\" data-image-slot=\"image-05-rfq-checklist\">\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zobai.com\/wp-content\/uploads\/2026\/06\/npt-bsp-threaded-safety-valve-rfq-checklist.webp\" alt=\"NPT and BSP threaded safety valve RFQ checklist including thread standard pressure medium material and documents\" title=\"NPT and BSP threaded safety valve RFQ checklist\" loading=\"lazy\" width=\"1200\" height=\"900\">\n    <figcaption>A complete RFQ should include both connection data and operating data before selecting an NPT or BSP threaded safety valve.<\/figcaption>\n  <\/figure>\n\n  <div class=\"zobai-table-wrap\">\n    <table class=\"zobai-table\">\n      <thead>\n        <tr>\n          <th>Parameter<\/th>\n          <th>What to Provide<\/th>\n          <th>Why It Matters<\/th>\n          <th>Missing Data Risk<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Protected equipment<\/td>\n          <td>Vessel, tank, compressor, pipeline, skid, pump outlet or other equipment.<\/td>\n          <td>Defines what the valve protects.<\/td>\n          <td>Wrong protection basis.<\/td>\n        <\/tr>\n        <tr>\n          <td>Relief scenario<\/td>\n          <td>Thermal expansion, blocked outlet, regulator failure, process upset or other case.<\/td>\n          <td>Supports capacity and selection review.<\/td>\n          <td>Incorrect application assumption.<\/td>\n        <\/tr>\n        <tr>\n          <td>Medium and phase<\/td>\n          <td>Air, gas, steam, vapor, liquid, two-phase, corrosive or dirty service.<\/td>\n          <td>Affects sizing, material and seal selection.<\/td>\n          <td>Wrong material or valve configuration.<\/td>\n        <\/tr>\n        <tr>\n          <td>Operating pressure<\/td>\n          <td>Normal and maximum operating pressure.<\/td>\n          <td>Shows service condition and margin to set pressure.<\/td>\n          <td>Wrong pressure range.<\/td>\n        <\/tr>\n        <tr>\n          <td>MAWP \/ design pressure<\/td>\n          <td>Protected equipment pressure basis.<\/td>\n          <td>Helps verify set pressure logic.<\/td>\n          <td>Unsafe or unsuitable pressure basis.<\/td>\n        <\/tr>\n        <tr>\n          <td>Set pressure<\/td>\n          <td>Required valve set pressure with units.<\/td>\n          <td>Defines opening pressure.<\/td>\n          <td>Wrong spring or valve setup.<\/td>\n        <\/tr>\n        <tr>\n          <td>Required relieving capacity<\/td>\n          <td>Flow rate and calculation basis if available.<\/td>\n          <td>Needed for final valve sizing.<\/td>\n          <td>Connection may fit but capacity may be unsuitable.<\/td>\n        <\/tr>\n        <tr>\n          <td>Relieving temperature<\/td>\n          <td>Temperature during relief condition.<\/td>\n          <td>Affects material, seal and rating.<\/td>\n          <td>Wrong pressure-temperature selection.<\/td>\n        <\/tr>\n        <tr>\n          <td>Thread standard<\/td>\n          <td>NPT, BSPP, BSPT or other.<\/td>\n          <td>Determines connection compatibility.<\/td>\n          <td>Wrong thread supplied.<\/td>\n        <\/tr>\n        <tr>\n          <td>BSP variant<\/td>\n          <td>Confirm BSPP or BSPT if the inquiry says BSP.<\/td>\n          <td>Prevents treating all BSP threads as one connection type.<\/td>\n          <td>Wrong sealing method, wrong thread form or failed assembly.<\/td>\n        <\/tr>\n        <tr>\n          <td>Inlet and outlet connection<\/td>\n          <td>Thread standard, size, gender and orientation for both inlet and outlet.<\/td>\n          <td>Confirms the complete connection arrangement.<\/td>\n          <td>Valve may fit one side but fail to connect or discharge correctly.<\/td>\n        <\/tr>\n        <tr>\n          <td>Inlet and outlet gender<\/td>\n          <td>Male or female thread for each connection.<\/td>\n          <td>Determines physical fit.<\/td>\n          <td>Valve cannot connect to field piping.<\/td>\n        <\/tr>\n        <tr>\n          <td>Field piping standard<\/td>\n          <td>Pipe standard, equipment port detail, OEM drawing or site piping specification.<\/td>\n          <td>Confirms compatibility with the actual installation.<\/td>\n          <td>Wrong replacement valve or need for unplanned adapters.<\/td>\n        <\/tr>\n        <tr>\n          <td>Sealing method<\/td>\n          <td>Sealant, tape, gasket, washer, O-ring, bonded seal or project method.<\/td>\n          <td>Prevents leakage and wrong assembly expectation.<\/td>\n          <td>Leakage or unsuitable installation.<\/td>\n        <\/tr>\n        <tr>\n          <td>Body material<\/td>\n          <td>Required body material or corrosion requirement.<\/td>\n          <td>Affects pressure, temperature and corrosion suitability.<\/td>\n          <td>Material incompatibility or rejected quotation.<\/td>\n        <\/tr>\n        <tr>\n          <td>Seat \/ seal \/ spring \/ trim materials<\/td>\n          <td>Seat, disc, soft seal, spring and trim material requirements if specified.<\/td>\n          <td>Affects tightness, corrosion resistance and service compatibility.<\/td>\n          <td>Leakage, short service life or wrong service configuration.<\/td>\n        <\/tr>\n        <tr>\n          <td>Discharge direction<\/td>\n          <td>Open discharge, threaded outlet, vent line, discharge pipe or required orientation.<\/td>\n          <td>Affects outlet connection, site layout and safe discharge routing.<\/td>\n          <td>Wrong outlet arrangement or installation conflict.<\/td>\n        <\/tr>\n        <tr>\n          <td>Outlet piping \/ back pressure review if applicable<\/td>\n          <td>State whether the outlet is piped, vented, manifolded or subject to superimposed pressure.<\/td>\n          <td>Outlet piping may require back pressure review and valve configuration confirmation.<\/td>\n          <td>Unsuitable valve configuration or unstable discharge condition.<\/td>\n        <\/tr>\n        <tr>\n          <td>Installation space<\/td>\n          <td>Space limits, orientation limits, nearby equipment and access requirements.<\/td>\n          <td>Helps avoid fit-up problems in compact equipment or OEM skids.<\/td>\n          <td>Site modification or delayed installation.<\/td>\n        <\/tr>\n        <tr>\n          <td>Existing valve photos \/ drawings<\/td>\n          <td>Nameplate, thread close-up, installation photo, adapter photo and equipment drawing.<\/td>\n          <td>Helps confirm replacement details and reduce RFQ ambiguity.<\/td>\n          <td>Wrong replacement or repeated clarification.<\/td>\n        <\/tr>\n        <tr>\n          <td>Certification \/ documents<\/td>\n          <td>API, ASME, ISO, EN\/DIN, GB, material certificate, test report or inspection scope.<\/td>\n          <td>Defines quotation and compliance scope.<\/td>\n          <td>Missing required documents.<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <p>Sizing is still a separate engineering step. For sizing context, see ZOBAI\u2019s <a href=\"https:\/\/zobai.com\/standards\/api-520-safety-valve-sizing\/\">API 520 safety valve sizing<\/a> page.<\/p>\n<\/section>\n\n<section id=\"product-reference\">\n  <h2>Product Reference: When a Threaded Safety Valve Category Page Helps<\/h2>\n  <p>A threaded safety valve category page is useful for understanding product family, common connection types, materials, pressure ranges and general application areas. However, a category page should not be treated as final project selection.<\/p>\n\n  <h3>Use Product Category Data for General Range Only<\/h3>\n  <p>The product category page can help buyers understand whether threaded safety valves are generally available for compact piping, tanks, compressors, thermal systems, OEM skids or similar applications. It can also help buyers see common connection terms such as NPT, BSP, G or Rc.<\/p>\n\n  <h3>Do Not Treat Product Range as Final Selection<\/h3>\n  <p>A product range does not mean every model is available in every thread standard, material, pressure rating, temperature limit or certification scope. Buyers should not assume that a threaded safety valve shown on a product page automatically fits all NPT or BSP applications.<\/p>\n\n  <h3>When ZOBAI Needs Project-Specific Confirmation<\/h3>\n  <p>ZOBAI needs project-specific confirmation when the buyer is replacing an existing valve, the thread standard is uncertain, BSPP and BSPT are not clearly distinguished, the valve connects to imported equipment, medium or temperature affects material, or certification requirements are strict.<\/p>\n<\/section>\n\n<section id=\"standards-documents\">\n  <h2>Standards and Documentation Buyers May Need to Confirm<\/h2>\n  <p>Thread standard and safety valve standard are not the same thing. A buyer may correctly specify NPT or BSP but still miss the safety valve documents required by the project.<\/p>\n\n  <h3>Thread Standard vs Safety Valve Standard<\/h3>\n  <p>NPT, BSPP and BSPT describe connection requirements. Safety valve standards, project specifications and inspection requirements may define other aspects such as pressure setting, testing, capacity documentation, material documents, marking, inspection or certification scope.<\/p>\n\n  <h3>Project Specification Comes First<\/h3>\n  <p>The customer\u2019s project specification, equipment design and local regulatory requirements should be reviewed before final selection. If the project requires specific standards or documents, those requirements must be stated clearly at RFQ stage.<\/p>\n\n  <h3>Certificates, Test Reports and Material Documents Must Be Requested Clearly<\/h3>\n  <p>If the buyer needs material certificates, pressure test reports, calibration records, inspection documents, compliance declarations or special marking, these should be listed in the RFQ. Certification or compliance should not be assumed unless it is confirmed for the specific valve, project and documentation request. For general standards navigation, see ZOBAI\u2019s <a href=\"https:\/\/zobai.com\/standards\/\">safety valve standards<\/a> page.<\/p>\n<\/section>\n\n<section id=\"cta\" class=\"zobai-cta\">\n  <h2>Ask ZOBAI to Review Your NPT or BSP Threaded Safety Valve Parameters<\/h2>\n  <p>Before ordering an NPT or BSP threaded safety valve, do not rely on nominal thread size alone. Send ZOBAI both the connection data and the operating data so the engineering team can check whether the inquiry is complete enough for quotation.<\/p>\n  <ul>\n    <li>Thread standard: NPT, BSPP, BSPT or other.<\/li>\n    <li>Inlet and outlet male\/female connection.<\/li>\n    <li>Nominal thread size and sealing method.<\/li>\n    <li>Field piping standard, equipment drawing or existing valve photos.<\/li>\n    <li>Protected equipment and relief scenario.<\/li>\n    <li>Medium and phase.<\/li>\n    <li>Operating pressure, MAWP or design pressure and set pressure.<\/li>\n    <li>Required relieving capacity and capacity basis if available.<\/li>\n    <li>Operating and relieving temperature.<\/li>\n    <li>Body, seat, seal, spring and trim material requirements.<\/li>\n    <li>Certification, testing, inspection and document requirements.<\/li>\n  <\/ul>\n  <p>ZOBAI can review the submitted parameter set before quotation. Final threaded safety valve selection depends on the actual operating conditions, relief scenario, manufacturer data, applicable standard version, project specification and local regulatory requirements.<\/p>\n  <div class=\"zobai-btns\">\n    <a class=\"zobai-btn\" 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\/\">Send RFQ Parameters<\/a>\n  <\/div>\n<\/section>\n\n<section id=\"faq\" class=\"zobai-faq\">\n  <h2>FAQ About NPT vs BSP Threaded Safety Valves<\/h2>\n\n  <details>\n    <summary>What is the difference between NPT and BSP threaded safety valves?<\/summary>\n    <p>NPT and BSP threaded safety valves use different pipe thread standards. NPT is generally associated with a tapered pipe thread system. BSP may refer to BSPP parallel thread or BSPT tapered thread. Buyers must confirm the exact thread standard, male or female connection and sealing method before ordering.<\/p>\n  <\/details>\n\n  <details>\n    <summary>Are NPT and BSP threads interchangeable?<\/summary>\n    <p>No. NPT and BSP should not be treated as interchangeable. Even if the nominal size looks similar, the thread form, pitch, taper behavior and sealing method may differ. Using the wrong thread standard can cause poor engagement, leakage or installation failure.<\/p>\n  <\/details>\n\n  <details>\n    <summary>What is the difference between BSPP and BSPT safety valve threads?<\/summary>\n    <p>BSPP is a parallel thread type, while BSPT is a tapered thread type. This difference affects how the connection is sealed and how it should match the field piping or equipment port. Buyers should specify BSPP or BSPT clearly in the RFQ.<\/p>\n  <\/details>\n\n  <details>\n    <summary>Is 1\/2 inch NPT the same as 1\/2 inch BSP?<\/summary>\n    <p>No. A 1\/2 inch nominal size does not prove thread compatibility. A 1\/2 inch NPT connection and a 1\/2 inch BSP connection may not match. Buyers should confirm the thread standard, gender and sealing method instead of ordering by size alone.<\/p>\n  <\/details>\n\n  <details>\n    <summary>Should I choose male or female thread for a threaded safety valve?<\/summary>\n    <p>The correct gender depends on the equipment or piping connection. Buyers should confirm whether the inlet and outlet are male or female, and whether the field connection requires a specific orientation or discharge arrangement.<\/p>\n  <\/details>\n\n  <details>\n    <summary>How do threaded safety valves seal?<\/summary>\n    <p>The sealing method depends on the thread type and project design. Tapered thread connections may use project-approved thread sealing methods, while parallel thread connections may require a gasket, O-ring, washer, bonded seal or sealing face. The medium, pressure and temperature must also be considered.<\/p>\n  <\/details>\n\n  <details>\n    <summary>Can thread sealant fix an NPT\/BSP mismatch?<\/summary>\n    <p>No. Thread sealant should not be used to compensate for an incompatible thread standard. If the thread standard is wrong, the connection should be corrected before installation.<\/p>\n  <\/details>\n\n  <details>\n    <summary>What information should I send for an NPT safety valve RFQ?<\/summary>\n    <p>Send the NPT size, male\/female thread, inlet\/outlet configuration, sealing method, medium, operating pressure, set pressure, temperature, material requirements, required capacity if available and document requirements. If replacing an old valve, send nameplate and installation photos.<\/p>\n  <\/details>\n\n  <details>\n    <summary>What information should I send for a BSP safety valve RFQ?<\/summary>\n    <p>Send whether the connection is BSPP or BSPT, the nominal size, male\/female thread, sealing method, field piping standard, medium, pressure, set pressure, temperature, material and required documents. Photos or drawings are strongly recommended when the existing thread is uncertain.<\/p>\n  <\/details>\n\n  <details>\n    <summary>Can ZOBAI confirm the thread type from photos or drawings?<\/summary>\n    <p>Photos and drawings can help ZOBAI identify what needs to be confirmed, but some cases may still require thread gauge confirmation, equipment standard verification or project drawing review. If the thread type is uncertain, mark it as to be confirmed rather than guessing.<\/p>\n  <\/details>\n<\/section>\n\n<section class=\"zobai-box\">\n  <h2>Engineering Note<\/h2>\n  <p>This article is intended for buyer communication and RFQ preparation. It does not replace project engineering review, inspection approval, manufacturer datasheet verification or local regulatory requirements. Final selection of NPT or BSP threaded safety valves depends on the real operating conditions, protected equipment, relief scenario, manufacturer data, applicable standard version, project specification and local regulatory requirements.<\/p>\n<\/section>\n\n  <\/div>\n<\/article>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\":\"https:\/\/schema.org\",\n  \"@graph\":[\n    {\n      \"@type\":\"TechArticle\",\n      \"@id\":\"https:\/\/www.zobai.com\/en\/npt-vs-bsp-threaded-safety-valves\/#techarticle\",\n      \"headline\":\"NPT vs BSP Threaded Safety Valves: What Buyers Should Confirm\",\n      \"description\":\"Compare NPT, BSPP and BSPT threaded safety valves. 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A buyer may see \u201c1\/2 inch,\u201d \u201c3\/4 inch,\u201d or \u201c1 inch\u201d on an existing valve or pipe connection, but that size does not confirm whether the&#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-55416","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/posts\/55416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/comments?post=55416"}],"version-history":[{"count":1,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/posts\/55416\/revisions"}],"predecessor-version":[{"id":55422,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/posts\/55416\/revisions\/55422"}],"wp:attachment":[{"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/media?parent=55416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/categories?post=55416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zobai.com\/ru\/wp-json\/wp\/v2\/tags?post=55416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}