{"id":6506,"date":"2024-06-30T16:39:34","date_gmt":"2024-06-30T08:39:34","guid":{"rendered":"https:\/\/xintaivalves.com\/?p=6506"},"modified":"2025-05-16T17:53:24","modified_gmt":"2025-05-16T09:53:24","slug":"understanding-asme-b16-34-valve-standard","status":"publish","type":"post","link":"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/","title":{"rendered":"Compreendendo o padr\u00e3o de v\u00e1lvula ASME B16.34"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Introduction_to_ASME_B1634\" >Introduction to ASME B16.34<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Key_Components_of_ASME_B1634_Standard\" >Key Components of ASME B16.34 Standard<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Material_Selection_and_Classification\" >Material Selection and Classification<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Manufacturing_and_Testing\" >Manufacturing and Testing<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Casting_Requirements\" >Casting Requirements&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Forging_Specifications\" >Forging Specifications&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Welding_Procedures\" >Welding Procedures&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Heat_Treatment_Protocols\" >Heat Treatment Protocols&nbsp;<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Testing_Requirements\" >Testing Requirements<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Pressure-Temperature_Ratings\" >Pressure-Temperature Ratings<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Standard_Class_Ratings\" >Standard Class Ratings&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Material_Group_Considerations\" >Material Group Considerations&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Temperature_Limitations\" >Temperature Limitations&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Special_Class_Requirements\" >Special Class Requirements&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Marking_and_Documentation\" >Marking and Documentation<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Required_Valve_Markings\" >Required Valve Markings&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Special_Service_Markings\" >Special Service Markings&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Documentation_Requirements\" >Documentation Requirements&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Quality_Control_Records\" >Quality Control Records&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#B16_Valve_Classifications\" >B16 Valve Classifications<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Benefits_of_ASME_B1634\" >Benefits of ASME B16.34<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Applications_of_ASME_B1634_Valves\" >Applications of ASME B16.34 Valves<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Whats_the_difference_between_standard_and_special_class_ratings\" >What&#8217;s the difference between standard and special class ratings?&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#How_often_should_valves_be_pressure_tested\" >How often should valves be pressure tested?&nbsp;<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Can_ASME_B1634_valves_be_used_in_all_applications\" >Can ASME B16.34 valves be used in all applications?&nbsp;<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.xintaivalves.com\/pt\/blog\/standard\/understanding-asme-b16-34-valve-standard\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">With processing plants containing thousands of pipes, vessels, and <a href=\"https:\/\/xintaivalves.com\/product\/\" target=\"_blank\" rel=\"noreferrer noopener\">valves<\/a>, following consistent dimensional and test qualification standards is crucial. ASME B16.34 is one of the foremost valve specification standards enabling reliability across industrial flow control applications.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ASME B16.34 is a key standard for sizing, designing, and testing valves<\/li>\n\n\n\n<li>It covers materials, dimensions, ratings, testing for various valve types<\/li>\n\n\n\n<li>Compliance ensures interchangeability and safety across industries<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Developed by the American Society of Mechanical Engineers (ASME)<sup>[<\/sup><a href=\"https:\/\/www.degruyter.com\/document\/doi\/10.3138\/9781487572402\/html\" rel=\"nofollow noopener\" target=\"_blank\"><sup>1<\/sup><\/a><sup>]<\/sup>, this standard aims to drive quality, efficiency and safety by facilitating appropriate valve installation and replacement. Going beyond just valve construction, it also considers integration within piping systems, particularly concerning <a href=\"https:\/\/www.xintaivalves.com\/blog\/flanged-ball-valve\/guide-to-ansi-jis-and-asme-flange-end-ball-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">flange end ball valves<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Introduction_to_ASME_B1634\"><\/span><strong>Introduction to ASME B16.34<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">First published in 1927, ASME B16 has undergone multiple revisions over 90+ years by industry experts across oil and gas, chemical, power and other sectors. One of its standard \u201cASME B16.34\u201d compiles universally recognized specifications for critical valve types, including:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/xintaivalves.com\/product\/flange-type-segment-ball-valve\/\"><strong>Flanged Valves<\/strong><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xintaivalves.com\/product\/thread-globe-valve\/\"><strong>Threaded Valves<\/strong><\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/xintaivalves.com\/product\/full-welding-ball-valve\/\"><strong>Welded-End Valves<\/strong><\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">For more information on the <a href=\"https:\/\/www.xintaivalves.com\/it\/blog\/9-types-of-industrial-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">9 types of industrial valves<\/a>, explore the detailed guide by XINTAI VALVE GROUP CO., LTD.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The standard outlines dimensions, materials, designs, pressure ratings, and testing procedures to create consistency. By providing stringent qualification benchmarks, ASME B16.34 compliance certifies suitability for various corrosive, hazardous, high-pressure applications.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Components_of_ASME_B1634_Standard\"><\/span><strong>Key Components of ASME B16.34 Standard<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <title>Hero Product Highlight<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins',\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #D70C19;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #D70C19;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/products\/flange-type-segment-ball-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/04\/Flange-Type-Segment-Ball-Valve.jpg\" alt=\"Flange Type Segment Ball Valve\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Flange Type Segment Ball Valve<\/div>\n    <div class=\"hero-description\">Durable flange type segment ball valves for precise flow control. Ideal for industrial pipelines. Bulk orders &#038; OEM service available for global distributors.<\/div>\n    <span class=\"hero-link\">View Product<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<p class=\"wp-block-paragraph\">ASME B16.34 establishes comprehensive requirements for <a href=\"https:\/\/www.xintaivalves.com\/blog\/the-manufacturing-process-of-industrial-valves\/\" target=\"_blank\" rel=\"noreferrer noopener\">industrial valve manufacturing<\/a> and testing. These requirements ensure consistent quality and performance across all valve types and applications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Selection_and_Classification\"><\/span><strong>Material Selection and Classification<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The standard defines specific material groups based on chemical composition and mechanical properties. Each material group has designated pressure-temperature ratings suitable for different service conditions.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Material Group<\/strong><\/td><td><strong>Types<\/strong><\/td><td><strong>Common Applications<\/strong><\/td><\/tr><tr><td>Carbon &amp; Low-Alloy Steels<\/td><td>A216 WCB, A105<\/td><td>General Service<\/td><\/tr><tr><td><a href=\"https:\/\/xintaivalves.com\/stainless-steel-valve\/\" target=\"_blank\" rel=\"noreferrer noopener\">Stainless Steel<\/a><\/td><td>316, 304, Duplex<\/td><td>Corrosive Service<\/td><\/tr><tr><td>Special Alloys<\/td><td>Nickel, Chrome<\/td><td>High Temperature<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Manufacturing_and_Testing\"><\/span><strong>Manufacturing and Testing<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ASME B16.34 mandates specific manufacturing processes:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Casting_Requirements\"><\/span><strong>Casting Requirements<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">All valve castings must undergo radiographic testing for critical areas. Wall thickness measurements ensure minimum requirements are met across all sections. Heat treatment records must be maintained for material traceability.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Forging_Specifications\"><\/span><strong>Forging Specifications<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Forged components require specific grain flow patterns. Ultrasonic testing validates internal integrity. Material certification documents must accompany all forged components.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Welding_Procedures\"><\/span><strong>Welding<\/strong><strong> <\/strong><strong>Procedures<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Only qualified welders can perform valve body welds. Each procedure requires qualification testing. Post-weld heat treatment is mandatory for specific materials and thicknesses.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Heat_Treatment_Protocols\"><\/span><strong>Heat Treatment Protocols<\/strong>&nbsp;<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Heat treatment procedures must follow strict temperature controls and holding times. Solution annealing of stainless steels requires precise temperature ranges. Stress relieving is mandatory after major repairs to prevent material fatigue.<\/p>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  <meta charset=\"UTF-8\">\n  <title>Hero Product Highlight<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins',\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #D70C19;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #D70C19;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.xintaivalves.com\/products\/full-welding-ball-valve\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/dbfhaf64fpo53.cloudfront.net\/wp-content\/uploads\/2022\/02\/%E6%9C%AA%E6%A0%87%E9%A2%98-1-7.jpg\" alt=\"FULL-WELDING BALL VALVE\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">FULL-WELDING BALL VALVE<\/div>\n    <div class=\"hero-description\">XINTAI full-welding ball valves offer leak-proof performance for gas, heating, and oil pipelines. Ideal for long-term underground installation. OEM\/ODM available.<\/div>\n    <span class=\"hero-link\">View Product<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Testing_Requirements\"><\/span><strong>Testing Requirements<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Every valve manufactured under ASME B16.34 must <a href=\"https:\/\/www.xintaivalves.com\/blog\/valve-testing-methods\/\" target=\"_blank\" rel=\"noreferrer noopener\">undergo rigorous testing<\/a> before release. These tests validate performance and safety across operating conditions.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Shell testing protocol:<\/strong> Shell tests verify the valve body&#8217;s pressure containment capability. Tests must be conducted at 1.5 times the 100\u00b0F pressure rating with a minimum 15-minute hold time. No visible leakage is permitted during testing.<\/li>\n\n\n\n<li><strong>Seat testing standards:<\/strong> Seat tests ensure proper sealing performance. Tests are conducted at 1.1 times the rated pressure. Different valve types have specific allowable leakage rates defined by the standard.<\/li>\n\n\n\n<li><strong>Supplementary testing:<\/strong> Additional tests apply for special service conditions. This includes cryogenic testing, fire testing per API 607, and fugitive emissions testing.<\/li>\n\n\n\n<li><strong>Quality documentation:<\/strong> All test results require detailed documentation. Records must include test parameters, results, date of testing, and inspector verification.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pressure-Temperature_Ratings\"><\/span><strong>Pressure-Temperature Ratings<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/FULL-WELDING-BALL-VALVE-3.png\" alt=\"\" class=\"wp-image-1985\" style=\"width:294px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/FULL-WELDING-BALL-VALVE-3.png 500w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/FULL-WELDING-BALL-VALVE-3-300x300.png 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/FULL-WELDING-BALL-VALVE-3-150x150.png 150w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Pressure-temperature ratings define safe operating limits for each valve class and material group.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Standard_Class_Ratings\"><\/span><strong>Standard Class Ratings&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Class 150 through 4500 valves must meet specific pressure capabilities. Ratings tables provide maximum allowable pressures based on operating temperature.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Group_Considerations\"><\/span><strong>Material Group Considerations&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Different material groups have distinct rating tables. For example, Group 1.1 carbon steel has different capabilities than Group 2.2 stainless steel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Temperature_Limitations\"><\/span><strong>Temperature Limitations&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Each material has specific temperature limits. Some materials like A352 Grade LCC shouldn&#8217;t be used above 650\u00b0F, while others can handle higher temperatures.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Special_Class_Requirements\"><\/span><strong>Special Class Requirements&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Special class valves offer enhanced pressure capabilities. These require additional testing and specific markings to indicate upgraded status.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Marking_and_Documentation\"><\/span><strong>Marking and Documentation<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/www.xintaivalves.com\/products\/thread-globe-valve-2\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" width=\"640\" height=\"640\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/\u672a\u6807\u9898-1-13.jpg\" alt=\"\" class=\"wp-image-1162\" style=\"width:266px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/\u672a\u6807\u9898-1-13.jpg 640w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/\u672a\u6807\u9898-1-13-300x300.jpg 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2022\/02\/\u672a\u6807\u9898-1-13-150x150.jpg 150w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Proper marking and documentation form a crucial part of ASME B16.34 compliance, ensuring valve traceability and verification throughout its service life.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Required_Valve_Markings\"><\/span><strong>Required Valve Markings&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Each valve must carry permanent markings per MSS SP-25 standard. This includes the manufacturer&#8217;s name, material specifications, pressure class rating, and size in NPS. Compliant valves must show the &#8220;B16.34&#8221; designation, while special class valves need the &#8220;SPL&#8221; suffix.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Special_Service_Markings\"><\/span><strong>Special Service Markings&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Specific applications require additional identification for safety. This includes cryogenic temperature ratings, flow direction arrows, and maximum pressure ratings at 100\u00b0F. Each valve also needs a unique serial number for traceability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Documentation_Requirements\"><\/span><strong>Documentation Requirements&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Essential documentation includes material test reports, pressure test certificates, and heat treatment records. For special processes, manufacturers must maintain non-destructive examination reports and welding procedure qualifications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quality_Control_Records\"><\/span><strong>Quality Control Records&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Manufacturers track production through detailed quality records. These include batch numbers, inspection results, test outcomes, and repair documentation. Final inspection certification ensures complete compliance verification.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"B16_Valve_Classifications\"><\/span><strong>B16 Valve Classifications<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pressure classifications range from Class 150 to Class 4500, determining operating limits for safe valve operation. Each class designation relates to the pressure rating at 100\u00b0F, serving as the baseline for temperature adjustments.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Material groups significantly affect pressure-temperature ratings. For example, Group 1.1 carbon steel valves have different capabilities than Group 2.2 stainless steel valves at elevated temperatures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Common pressure classes include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Class 900 and above: Severe service conditions<\/li>\n\n\n\n<li>Class 150: Standard industrial service<\/li>\n\n\n\n<li>Class 300: Medium pressure applications<\/li>\n\n\n\n<li>Class 600: High pressure systems<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Benefits_of_ASME_B1634\"><\/span><strong>Benefits of ASME B16.34<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ASME B16.34 has numerous benefits, including:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Reliability and Safety<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">By containing stringent design, material, and testing requirements, the ASME B16.34 standard ensures valves withstand high temperatures, pressures, and hazardous fluids across industrial applications. Compliance certifies resilience against corrosion, erosion, and leakage, even under excessive cycling or abrasive service conditions. This prevents valve failures leading to plant disasters, enhancing reliability and safety.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>Optimized Maintenance<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">With standardized ASME B16.34 valve dimensions, replacement valves are easily installed between existing piping flanges without modifications. This allows quick valve changeouts during shutdowns or outages to minimize maintenance costs and production losses from extended downtime. The dimensional interoperability also enables stocking standardized spare valves onsite to expedite maintenance needs.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Interchangeable Supply Chain<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Global valve manufacturers and suppliers conforming to ASME B16.34 guarantee interchangeability. Plant operators and engineers can source equivalent valve designs from alternate vendors since compliance certifies meeting identical specifications. This prevents vendor lock-in and hefty customization fees when requiring valve replacements or additional stock.<\/p>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>Simplified Valve Selection<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">The specifications around materials, pressure ratings, and configurations consolidated in ASME B16.34 simplify the<a href=\"https:\/\/www.xintaivalves.com\/ko\/blog\/understanding-valve-standards-and-specifications\/\" target=\"_blank\" rel=\"noreferrer noopener\"> valve selection process <\/a>for specific applications. Rather than complex customization, engineers can easily determine suitable valves for services across chemical plants, LNG terminals, offshore rigs, and pipelines based on location specifics by relying on B16.34 standards during procurement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Applications_of_ASME_B1634_Valves\"><\/span><strong>Applications of ASME B16.34 Valves<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"861\" height=\"557\" src=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2025\/04\/90f38e399dc36333605dfcf82548b0c.webp\" alt=\"\" class=\"wp-image-8993\" style=\"width:563px;height:auto\" srcset=\"https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2025\/04\/90f38e399dc36333605dfcf82548b0c.webp 861w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2025\/04\/90f38e399dc36333605dfcf82548b0c-300x194.webp 300w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2025\/04\/90f38e399dc36333605dfcf82548b0c-768x497.webp 768w, https:\/\/www.xintaivalves.com\/wp-content\/uploads\/2025\/04\/90f38e399dc36333605dfcf82548b0c-18x12.webp 18w\" sizes=\"(max-width: 861px) 100vw, 861px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Here are some common applications leveraging valves compliant with ASME B16.34:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Oil Refineries<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Oil refineries contain thousands of gate, ball, check, and plug valves across crude units, hydrocrackers, reformers, fractionators, and cokers. B16.34 facilitates procuring specialized valves to handle high temperatures, pressures, and continuous flows of corrosive feedstocks. Compliance also enables quickly swapping standardized valves during shutdowns to minimize production losses.<\/p>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>LNG Facilities<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Cryogenic gate, ball, and check valves meeting ASME B16.34 serve critical roles across LNG loading\/unloading, liquefaction, storage, and regasification. The stringent leak and cryogenic testing ensures resilient ultra-low temperature service down to -260\u00b0F without embrittlement failures. Compliance also standardizes flange dimensions for quick valve replacements.<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Pipeline Transfer Stations<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Transfer stations regulating multifuel movement across transmission pipelines utilize high-pressure ball, plug, and check valves certified by B16.34. Compliance validates meeting stringent fugitive emissions standards needed across gas pipelines and water pipelines traversing environmental areas.<\/p>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>Petrochemical Plants<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Valves for critical services linking reactors, crackers, separators, and distillation columns in petrochem plants carry ASME B16.34 marking. Compliance guarantees reliable pressure sealing needed when handling volatile intermediates at high temperatures. Standardization also simplifies maintenance with interchangeable spares, minimizing shutdown losses.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><strong>Frequently Asked Questions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Whats_the_difference_between_standard_and_special_class_ratings\"><\/span><strong>What&#8217;s the difference between standard and special class ratings?&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Special class offers higher pressure capabilities at elevated temperatures, requiring additional testing and specific markings.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_often_should_valves_be_pressure_tested\"><\/span><strong>How often should valves be pressure tested?&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Initial testing occurs during manufacturing, with additional tests required after major repairs or modifications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Can_ASME_B1634_valves_be_used_in_all_applications\"><\/span><strong>Can ASME B16.34 valves be used in all applications?&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">While widely accepted, some applications may require additional standards like API specifications or special testing.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Adhering to ASME B16.34 ensures valves reliably handle pressurized fluids and gasses, prevent leakage, and simplify maintenance needs across critical industries. By standardizing materials, designs, and dimensions and stringent testing, compliance with B16.34 minimizes plant risks and downtime losses.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contact <a href=\"https:\/\/xintaivalves.com\/contact\/\">Xintai\u2019s<\/a> application engineers to select optimized ASME B16.34 conformant valves for your unique demands to drive operational excellence.<\/p>\n\n\n\n\n  <style>\n\t\t\t.module {\n\t\t\t\tmargin: 10px 0 30px 0;\n\t\t\t\twidth: 100%;\n\t\t\t\ttext-align: left;\n\t\t\t}\n\t\t\t\/* \u6807\u9898 *\/\n\t\t\t.module .module-title {\n\t\t\t\tfont-size: 18px;\n\t\t\t\tdisplay: flex;\n\t\t\t\talign-items: center;\n\t\t\t}\n\n\t\t\t.module .module-button {\n\t\t\t\tcursor: pointer;\n\t\t\t\tborder: 0px;\n\t\t\t\ttext-align: center;\n\t\t\t\tmargin-left: 10px;\n\t\t\t\tbackground: none;\n\t\t\t}\n\n\t\t\t.module .module-content {\n\t\t\t\tdisplay: none;\n\t\t\t}\n\n\t\t\t.module .module-content.show {\n\t\t\t\tdisplay: 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18px;'>\n\t\t\t\t<!-- \u8fd9\u662f\u6807\u9898 -->\n\t\t\t\tArticle Sources\n\t\t\t\t<button class='module-button'>\n\t\t\t\t\t<svg id='svg-1' style='display:block' t='1710230154863' class='icon' viewBox='0 0 1026 1024'\n\t\t\t\t\t\tversion='1.1' xmlns='http:\/\/www.w3.org\/2000\/svg' p-id='1843' width='18' height='18'>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u5927\u5c0f\u8bf7\u5728width\u548cheight\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M511.602721 1023.001027a511.474051 511.474051 0 1 1 360.629164-148.84694 509.476105 509.476105 0 0 1-360.629164 149.845913z m0-941.032335c-109.887003 0-220.772979 41.956856-304.686691 125.870567-167.827423 168.826396-167.827423 441.545958 0 609.373381s440.546985 167.827423 609.373381 0c167.827423-167.827423 167.827423-440.546985 0-609.373381-83.913711-82.914739-194.799687-124.871594-304.68669-124.871595z m332.657927 763.215185z'\n\t\t\t\t\t\t\tfill='#f9b3a4' p-id='1844'><\/path>\n\t\t\t\t\t\t\t<!-- 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\u4fee\u6539\u56fe\u6807\u5927\u5c0f\u8bf7\u5728width\u548cheight\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M511.602721 1023.001027a511.474051 511.474051 0 1 1 360.629164-148.84694 509.476105 509.476105 0 0 1-360.629164 149.845913z m0-941.032335c-109.887003 0-220.772979 41.956856-304.686691 125.870567-167.827423 168.826396-167.827423 441.545958 0 609.373381s440.546985 167.827423 609.373381 0c167.827423-167.827423 167.827423-440.546985 0-609.373381-83.913711-82.914739-194.799687-124.871594-304.68669-124.871595z m332.657927 763.215185z'\n\t\t\t\t\t\t\tfill='#f9b3a4' p-id='2000'><\/path>\n\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u989c\u8272\u8bf7\u5728fill\u4e2d\u6539 -->\n\t\t\t\t\t\t<path\n\t\t\t\t\t\t\td='M780.326392 552.484859H241.880077a39.95891 39.95891 0 0 1 0-79.91782h538.446315a39.95891 39.95891 0 0 1 0 79.91782z'\n\t\t\t\t\t\t\tfill='#f9b3a4' p-id='2001'><\/path>\n\t\t\t\t\t\t\t<!-- \u4fee\u6539\u56fe\u6807\u989c\u8272\u8bf7\u5728fill\u4e2d\u6539 -->\n\t\t\t\t\t<\/svg>\n\t\t\t\t<\/button>\n\t\t\t<\/div>\n\t\t\t<div class='module-content'>\n\t\t\t\t<div class='d1' style='background-color:#f9b3a4'>\n\t\t\t\t\t<!-- \u8fd9\u662f\u6587\u5b57\u7b80\u4ecb -->\n\t\t\t\t\t<span style='font-size:18px'>The XINTAI VALVE uses only high-quality sources, including peer-reviewed studies, to support the facts within our articles. Our commitment to accuracy and reliability ensures that readers receive well-researched information they can trust.<\/span>\n\t\t\t\t<\/div>\n\t\t\t\t<ul class='d2'>\n\t\t\t\t\n  <li style='list-style: decimal;font-size:18px;'><a class=\"aaa a2\" target=\"_blank\" href=\"https:\/\/www.valvemagazine.com\/articles\/an-overview-of-asme-b16-34-2017\" rel=\"nofollow noopener\">An Overview of ASME B16.34-2017 | Valve Magazine<\/a><\/li>\n  \n  <li style='list-style: decimal;font-size:18px;'><a class=\"aaa a2\" target=\"_blank\" href=\"https:\/\/www.asme.org\/wwwasmeorg\/media\/resourcefiles\/events\/b16\/b16_brochure-180323.pdf\" rel=\"nofollow noopener\">b16_brochure-180323.pdf (asme.org)<\/a><\/li>\n  \n  <li style='list-style: decimal;font-size:18px;'><a class=\"aaa a2\" target=\"_blank\" href=\"https:\/\/www.velan.com\/en\/products\/cryogenic-gate-valves.html\/14\/91\/?product_id=38\" rel=\"nofollow noopener\">Cryogenic Gate Valves - Velan<\/a><\/li>\n  \n\t\t\t\t<\/ul>\n\t\t\t<\/div>\n\t\t<\/div>\n\t\t<script>\n\t\t\tconst moduleButtons = document.querySelectorAll('.module-button');\n\t\t\tconst svg1 = document.getElementById('svg-1');\n\t\t\tconst svg2 = document.getElementById('svg-2');\n\t\t\tfor (const button of moduleButtons) {\n\t\t\t\tbutton.addEventListener('click', function() {\n\t\t\t\t\tconst content = this.parentNode.nextElementSibling;\n\t\t\t\t\tcontent.classList.toggle('show');\n\t\t\t\t\tconst svg = this.querySelector('svg');\n\t\t\t\t\tconst plusPath = svg.querySelector('#plus');\n\t\t\t\t});\n\t\t\t\tsvg1.addEventListener('click', function() {\n\t\t\t\t\tsvg1.style.display = 'none';\n\t\t\t\t\tsvg2.style.display = 'block';\n\t\t\t\t});\n\n\t\t\t\tsvg2.addEventListener('click', function() {\n\t\t\t\t\tsvg2.style.display = 'none';\n\t\t\t\t\tsvg1.style.display = 'block';\n\t\t\t\t});\n\t\t\t}\n\t\t<\/script>\n\n  \n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>With processing plants containing thousands of pipes, vessels, and valves, following consistent dimensional and test qualification standards is crucial. ASME B16.34 is one of the foremost valve specification standards enabling reliability across industrial flow control applications. Developed by the American Society of Mechanical Engineers (ASME)[1], this standard aims to drive quality, efficiency and safety by [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":6508,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[285],"tags":[],"class_list":["post-6506","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-standard"],"_links":{"self":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/6506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/comments?post=6506"}],"version-history":[{"count":3,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/6506\/revisions"}],"predecessor-version":[{"id":9077,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/posts\/6506\/revisions\/9077"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/media\/6508"}],"wp:attachment":[{"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/media?parent=6506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/categories?post=6506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xintaivalves.com\/pt\/wp-json\/wp\/v2\/tags?post=6506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}