{"id":2239,"date":"2026-01-09T12:01:27","date_gmt":"2026-01-09T12:01:27","guid":{"rendered":"https:\/\/stvvalve.com\/asme-b16-34-valve-specification-the-comprehensive-guide\/"},"modified":"2026-01-09T12:01:27","modified_gmt":"2026-01-09T12:01:27","slug":"asme-b16-34-valve-specification-the-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/stvvalve.com\/es\/asme-b16-34-valve-specification-the-comprehensive-guide\/","title":{"rendered":"ASME B16.34 Valve Specification: The Comprehensive Guide"},"content":{"rendered":"<div class=\"styled-container\">\n<section id=\"introduction\">\n<p>ASME B16.34 is a critical valve specification standard that defines pressure-temperature ratings, materials, dimensions, and testing requirements for flanged, threaded, and welded-end valves. This comprehensive guide explains how this standard ensures safety, reliability, and interchangeability across industrial applications, making it essential knowledge for engineers, procurement specialists, and industry professionals working with industrial valve systems.<\/p>\n<\/section>\n<section id=\"what-is-asme-b16-34\">\n<h2>What is ASME B16.34 and Why It Matters<\/h2>\n<div class=\"img-container\">\n<p class=\"img-caption\">ASME B16.34 standard document provides crucial specifications for industrial valve applications<\/p>\n<\/p><\/div>\n<p>Developed by the American Society of Mechanical Engineers (ASME), the B16.34 standard establishes uniform requirements for pressure-containing components of valve assemblies. First published in 1927 and regularly updated since, this standard has become the cornerstone of valve design, manufacturing, and testing across industries where pressure containment is critical.<\/p>\n<p>ASME B16.34 serves multiple essential purposes:<\/p>\n<ul class=\"custom-list\">\n<li>Establishes consistent pressure-temperature ratings for various valve materials<\/li>\n<li>Defines minimum requirements for valve body wall thickness<\/li>\n<li>Specifies testing procedures to validate valve integrity<\/li>\n<li>Ensures dimensional consistency for interchangeability<\/li>\n<li>Provides marking requirements for proper identification<\/li>\n<\/ul>\n<p>By adhering to these specifications, manufacturers produce valves that safely contain pressurized fluids across varying temperature conditions, while users can confidently select appropriate valves for specific service conditions.<\/p>\n<\/section>\n<section id=\"scope-and-application\">\n<h2>Scope and Application of ASME B16.34<\/h2>\n<p>ASME B16.34 applies to new construction of cast, forged, and fabricated flanged, threaded, and welding-end valves. The standard covers a wide range of valve types used across industrial applications:<\/p>\n<div class=\"two-columns\">\n<div>\n<h3>Valve Types Covered<\/h3>\n<ul class=\"custom-list\">\n<li>Gate valves<\/li>\n<li>Globe valves<\/li>\n<li>Check valves<\/li>\n<li>Ball valves<\/li>\n<li>Butterfly valves<\/li>\n<li>Plug valves<\/li>\n<\/ul><\/div>\n<div>\n<h3>Industries Relying on B16.34<\/h3>\n<ul class=\"custom-list\">\n<li>Oil and gas processing<\/li>\n<li>Chemical manufacturing<\/li>\n<li>Power generation<\/li>\n<li>LNG facilities<\/li>\n<li>Petrochemical plants<\/li>\n<li>Pipeline systems<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<div class=\"img-container\">\n<p class=\"img-caption\">Various valve types governed by ASME B16.34 specifications<\/p>\n<\/p><\/div>\n<p>The standard categorizes valves by pressure class designations (Class 150, 300, 600, 900, 1500, 2500, and 4500), which indicate the relative pressure-retaining capability at specific temperatures. These class designations are crucial for proper valve selection based on operating conditions.<\/p>\n<\/section>\n<section id=\"material-classification\">\n<h2>Material Classification and Grouping<\/h2>\n<p>ASME B16.34 organizes materials into specific groups based on chemical composition and mechanical properties. This classification system is fundamental to understanding the pressure-temperature ratings that determine safe operating limits.<\/p>\n<h3>The Three Main Material Groups<\/h3>\n<div class=\"three-columns\">\n<div class=\"column-card\">\n<h4>Group 1: Carbon and Alloy Steels<\/h4>\n<p>Includes carbon steel, low-alloy steel, and chrome-moly steel materials commonly used in moderate temperature applications. Further divided into subgroups (1.1 through 1.15) based on specific composition.<\/p>\n<p><strong>Example:<\/strong> A216 WCB (carbon steel) in Group 1.1<\/p>\n<\/p><\/div>\n<div class=\"column-card\">\n<h4>Group 2: Stainless Steels<\/h4>\n<p>Covers austenitic, ferritic, and duplex stainless steels used in corrosive environments and higher temperature applications. Subdivided into groups 2.1 through 2.8 based on composition.<\/p>\n<p><strong>Example:<\/strong> A351 CF8M (316 stainless) in Group 2.2<\/p>\n<\/p><\/div>\n<div class=\"column-card\">\n<h4>Group 3: Nickel Alloys<\/h4>\n<p>Encompasses high-performance nickel-based alloys for extreme temperature and highly corrosive services. Divided into subgroups 3.1 through 3.17 based on specific alloy composition.<\/p>\n<p><strong>Example:<\/strong> B564 N06625 (Inconel 625) in Group 3.8<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<div class=\"img-container\">\n<p class=\"img-caption\">Material grouping system in ASME B16.34 with corresponding pressure-temperature relationships<\/p>\n<\/p><\/div>\n<p>Each material group has specific pressure-temperature ratings that define the maximum allowable working pressure at various temperatures. These ratings are crucial for selecting valves that can safely operate under specific service conditions.<\/p>\n<div class=\"cta-block\">\n<h3 class=\"cta-block-title\">Need Help Selecting the Right Valve Material?<\/h3>\n<p class=\"cta-block-text\">Our valve engineering team can help you identify the optimal material selection based on your specific service conditions and ASME B16.34 requirements.<\/p>\n<p> <a href=\"https:\/\/blog.projectmaterials.com\/contact\" target=\"_blank\" class=\"cta-btn\" data-link=\"true\" data-id=\"1\" rel=\"nofollow\">Request Material Consultation<\/a> <\/div>\n<\/section>\n<section id=\"pressure-temperature-ratings\">\n<h2>Pressure-Temperature Ratings<\/h2>\n<p>Pressure-temperature ratings form the cornerstone of ASME B16.34, defining the maximum allowable working pressure (MAWP) for valves at specific temperatures. These ratings vary based on material group and pressure class.<\/p>\n<div class=\"table-container\">\n<table class=\"responsive-table responsive-table-bordered\">\n<thead>\n<tr>\n<td data-row=\"head\">Temperature (\u00b0F)<\/td>\n<td data-row=\"head\">Class 150 (Group 1.1)<\/td>\n<td data-row=\"head\">Class 300 (Group 1.1)<\/td>\n<td data-row=\"head\">Class 600 (Group 1.1)<\/td>\n<td data-row=\"head\">Class 900 (Group 1.1)<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Temperature (\u00b0F)\">-20 to 100<\/td>\n<td data-label=\"Class 150 (Group 1.1)\">285 psig<\/td>\n<td data-label=\"Class 300 (Group 1.1)\">700 psig<\/td>\n<td data-label=\"Class 600 (Group 1.1)\">1480 psig<\/td>\n<td data-label=\"Class 900 (Group 1.1)\">2220 psig<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Temperature (\u00b0F)\">200<\/td>\n<td data-label=\"Class 150 (Group 1.1)\">260 psig<\/td>\n<td data-label=\"Class 300 (Group 1.1)\">675 psig<\/td>\n<td data-label=\"Class 600 (Group 1.1)\">1350 psig<\/td>\n<td data-label=\"Class 900 (Group 1.1)\">2025 psig<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Temperature (\u00b0F)\">400<\/td>\n<td data-label=\"Class 150 (Group 1.1)\">200 psig<\/td>\n<td data-label=\"Class 300 (Group 1.1)\">635 psig<\/td>\n<td data-label=\"Class 600 (Group 1.1)\">1270 psig<\/td>\n<td data-label=\"Class 900 (Group 1.1)\">1900 psig<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Temperature (\u00b0F)\">600<\/td>\n<td data-label=\"Class 150 (Group 1.1)\">140 psig<\/td>\n<td data-label=\"Class 300 (Group 1.1)\">550 psig<\/td>\n<td data-label=\"Class 600 (Group 1.1)\">1095 psig<\/td>\n<td data-label=\"Class 900 (Group 1.1)\">1640 psig<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Temperature (\u00b0F)\">800<\/td>\n<td data-label=\"Class 150 (Group 1.1)\">80 psig<\/td>\n<td data-label=\"Class 300 (Group 1.1)\">410 psig<\/td>\n<td data-label=\"Class 600 (Group 1.1)\">825 psig<\/td>\n<td data-label=\"Class 900 (Group 1.1)\">1235 psig<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>Note that as temperature increases, the maximum allowable pressure decreases. This relationship is critical for valve selection in high-temperature applications. Additionally, different material groups have different pressure-temperature relationships based on their metallurgical properties.<\/p>\n<div class=\"img-container\">\n<p class=\"img-caption\">Pressure-temperature rating curves showing how allowable pressure decreases as temperature increases<\/p>\n<\/p><\/div>\n<h3>Important Considerations for P\/T Ratings<\/h3>\n<div class=\"highlight-box\">\n<p><strong>Critical Note:<\/strong> Always check material-specific notes in ASME B16.34 tables. Some materials have temperature limitations that aren&#8217;t immediately obvious from the rating tables. For example, A352 Grade LCC should not be used above 650\u00b0F despite being listed in tables that go to higher temperatures.<\/p>\n<\/p><\/div>\n<p>When selecting valves, engineers must consider both the maximum pressure and temperature the valve will experience during normal operation and potential upset conditions. The valve&#8217;s pressure class and material must be selected to accommodate the most severe combination of these parameters.<\/p>\n<\/section>\n<section id=\"valve-design-requirements\">\n<h2>Valve Design and Construction Requirements<\/h2>\n<p>ASME B16.34 establishes specific requirements for valve design and construction to ensure pressure integrity and operational reliability. These requirements address multiple aspects of valve manufacturing:<\/p>\n<div class=\"img-container\">\n<p class=\"img-caption\">Key valve construction elements governed by ASME B16.34 specifications<\/p>\n<\/p><\/div>\n<h3>Wall Thickness Requirements<\/h3>\n<p>The standard specifies minimum wall thickness calculations for pressure-containing components based on design pressure, material properties, and geometric considerations. These calculations ensure the valve body can withstand the rated pressure without excessive deformation or failure.<\/p>\n<h3>End Connections<\/h3>\n<p>ASME B16.34 references companion standards for specific end connection requirements:<\/p>\n<ul class=\"custom-list\">\n<li>Flanged ends: ASME B16.5 or B16.47<\/li>\n<li>Butt-welding ends: ASME B16.25<\/li>\n<li>Socket-welding and threaded ends: ASME B1.20.1<\/li>\n<\/ul>\n<h3>Bonnet Joint Construction<\/h3>\n<p>The standard provides requirements for body-bonnet joints, including bolting, gasket surfaces, and pressure-sealing mechanisms. These specifications ensure that the joint maintains integrity under pressure and temperature fluctuations.<\/p>\n<h3>Special Class Valves<\/h3>\n<p>ASME B16.34 defines &#8220;Special Class&#8221; valves that undergo additional non-destructive examination and are marked with &#8220;SPL&#8221; designation. These valves offer enhanced pressure ratings compared to standard class valves of the same material and class designation.<\/p>\n<div class=\"blockquote\">\n<p>&#8220;Special Class valves require additional radiographic examination of critical areas and are suitable for more demanding service conditions while maintaining the same basic dimensions as Standard Class valves.&#8221;<\/p>\n<\/p><\/div>\n<\/section>\n<section id=\"testing-requirements\">\n<h2>Testing and Examination Requirements<\/h2>\n<p>ASME B16.34 mandates specific testing procedures to verify valve integrity and performance before valves enter service. These tests ensure valves can safely contain pressure and properly control flow under specified conditions.<\/p>\n<div class=\"img-container\">\n<p class=\"img-caption\">Hydrostatic testing setup for valves according to ASME B16.34 requirements<\/p>\n<\/p><\/div>\n<h3>Mandatory Testing Requirements<\/h3>\n<div class=\"two-columns\">\n<div>\n<h4>Shell Testing<\/h4>\n<p>Every valve must undergo a hydrostatic shell test at 1.5 times the 100\u00b0F pressure rating for the valve&#8217;s pressure class and material. This test verifies the pressure-containing capability of the valve body, bonnet, and body-to-bonnet joint.<\/p>\n<\/p><\/div>\n<div>\n<h4>Seat Leakage Testing<\/h4>\n<p>Valves must be tested for seat leakage at 1.1 times the 100\u00b0F pressure rating. Allowable leakage rates vary by valve type and are specified in the standard or referenced documents like MSS SP-61.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<h3>Non-Destructive Examination<\/h3>\n<p>For Special Class valves, additional non-destructive examinations are required:<\/p>\n<ul class=\"custom-list\">\n<li>Radiographic examination of critical sections<\/li>\n<li>Magnetic particle or liquid penetrant examination of pressure-containing castings<\/li>\n<li>Ultrasonic examination for specific forged components<\/li>\n<\/ul>\n<p>These examinations help identify internal defects that might not be detected during hydrostatic testing but could lead to failure during service.<\/p>\n<div class=\"info-box\">\n<p><strong>Important:<\/strong> ASME B16.34 requires that test results be documented and maintained. This documentation is often required as part of valve procurement specifications and quality assurance programs.<\/p>\n<\/p><\/div>\n<\/section>\n<section id=\"marking-requirements\">\n<h2>Marking and Documentation Requirements<\/h2>\n<p>Proper marking is essential for valve identification, traceability, and verification of compliance with ASME B16.34. The standard specifies mandatory marking requirements that must be applied to each valve.<\/p>\n<div class=\"img-container\">\n<p class=\"img-caption\">Typical valve nameplate with ASME B16.34 required markings<\/p>\n<\/p><\/div>\n<h3>Required Valve Markings<\/h3>\n<p>According to ASME B16.34 and MSS SP-25, valves must be marked with:<\/p>\n<ul class=\"custom-list\">\n<li>Manufacturer&#8217;s name or trademark<\/li>\n<li>Material specification and grade for the body<\/li>\n<li>Pressure class rating (e.g., &#8220;150&#8221;, &#8220;300&#8221;, etc.)<\/li>\n<li>Size designation in NPS (Nominal Pipe Size)<\/li>\n<li>&#8220;B16.34&#8221; to indicate compliance with the standard<\/li>\n<li>&#8220;SPL&#8221; suffix for Special Class valves<\/li>\n<li>Direction of flow (if required)<\/li>\n<li>Maximum temperature rating (if applicable)<\/li>\n<\/ul>\n<p>These markings must be cast, stamped, or otherwise permanently applied to the valve body or a nameplate attached to the valve.<\/p>\n<h3>Documentation Requirements<\/h3>\n<p>While not explicitly required by ASME B16.34, most industrial applications require documentation to verify compliance:<\/p>\n<ul class=\"custom-list\">\n<li>Material Test Reports (MTRs) for pressure-containing components<\/li>\n<li>Hydrostatic and seat test reports<\/li>\n<li>Non-destructive examination reports (for Special Class valves)<\/li>\n<li>Certificate of Compliance to ASME B16.34<\/li>\n<\/ul>\n<p>This documentation forms part of the quality assurance package that accompanies valves during procurement and installation.<\/p>\n<\/section>\n<section id=\"comparison-with-other-standards\">\n<h2>ASME B16.34 in Context: Comparison with Other Standards<\/h2>\n<p>While ASME B16.34 is a fundamental valve standard, it exists within a broader ecosystem of industry standards. Understanding how it relates to other standards helps in proper valve specification and application.<\/p>\n<div class=\"table-container\">\n<table class=\"responsive-table responsive-table-striped\">\n<thead>\n<tr>\n<td data-row=\"head\">Standard<\/td>\n<td data-row=\"head\">Focus<\/td>\n<td data-row=\"head\">Relationship to ASME B16.34<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Standard\">API 600<\/td>\n<td data-label=\"Focus\">Steel gate valves<\/td>\n<td data-label=\"Relationship to ASME B16.34\">References B16.34 for pressure-temperature ratings but adds specific design requirements for gate valves<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Standard\">API 602<\/td>\n<td data-label=\"Focus\">Small forged valves<\/td>\n<td data-label=\"Relationship to ASME B16.34\">Complements B16.34 with specific requirements for compact forged valves<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Standard\">API 6D<\/td>\n<td data-label=\"Focus\">Pipeline valves<\/td>\n<td data-label=\"Relationship to ASME B16.34\">Focuses on pipeline applications while referencing B16.34 for basic requirements<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Standard\">ASME B16.5<\/td>\n<td data-label=\"Focus\">Pipe flanges and flanged fittings<\/td>\n<td data-label=\"Relationship to ASME B16.34\">Referenced by B16.34 for flanged end connections<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Standard\">MSS SP-61<\/td>\n<td data-label=\"Focus\">Pressure testing of valves<\/td>\n<td data-label=\"Relationship to ASME B16.34\">Referenced by B16.34 for seat leakage acceptance criteria<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<div class=\"img-container\">\n<p class=\"img-caption\">Interconnection between ASME B16.34 and related valve standards<\/p>\n<\/p><\/div>\n<p>When specifying valves, it&#8217;s often necessary to reference multiple standards to ensure all requirements are met. ASME B16.34 provides the foundation for pressure-temperature ratings and basic requirements, while other standards may add design-specific or application-specific requirements.<\/p>\n<\/section>\n<section id=\"practical-applications\">\n<h2>Practical Applications and Selection Criteria<\/h2>\n<p>Applying ASME B16.34 knowledge to real-world valve selection requires consideration of multiple factors beyond just pressure and temperature ratings.<\/p>\n<div class=\"img-container\">\n<p class=\"img-caption\">Various valve types and classes applied in an industrial processing facility<\/p>\n<\/p><\/div>\n<h3>Key Selection Criteria<\/h3>\n<div class=\"three-columns\">\n<div class=\"column-card\">\n<h4>Process Conditions<\/h4>\n<ul class=\"custom-list\">\n<li>Maximum operating pressure<\/li>\n<li>Maximum and minimum temperatures<\/li>\n<li>Fluid properties (corrosive, abrasive)<\/li>\n<li>Flow characteristics<\/li>\n<\/ul><\/div>\n<div class=\"column-card\">\n<h4>Material Compatibility<\/h4>\n<ul class=\"custom-list\">\n<li>Corrosion resistance requirements<\/li>\n<li>Temperature limitations<\/li>\n<li>Mechanical strength needs<\/li>\n<li>Environmental considerations<\/li>\n<\/ul><\/div>\n<div class=\"column-card\">\n<h4>Operational Requirements<\/h4>\n<ul class=\"custom-list\">\n<li>Frequency of operation<\/li>\n<li>Maintenance accessibility<\/li>\n<li>Leakage classification needs<\/li>\n<li>Actuation requirements<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<h3>Industry-Specific Applications<\/h3>\n<div class=\"table-container\">\n<table class=\"responsive-table\">\n<thead>\n<tr>\n<td data-row=\"head\">Industry<\/td>\n<td data-row=\"head\">Common Valve Types<\/td>\n<td data-row=\"head\">Typical Material Groups<\/td>\n<td data-row=\"head\">Special Considerations<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td data-label=\"Industry\">Oil &amp; Gas Production<\/td>\n<td data-label=\"Common Valve Types\">Gate, ball, check<\/td>\n<td data-label=\"Typical Material Groups\">1.1, 2.2, 3.8<\/td>\n<td data-label=\"Special Considerations\">Sour service (H\u2082S), high pressure<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Industry\">Chemical Processing<\/td>\n<td data-label=\"Common Valve Types\">Globe, ball, butterfly<\/td>\n<td data-label=\"Typical Material Groups\">2.2, 2.8, 3.8<\/td>\n<td data-label=\"Special Considerations\">Corrosion resistance, fugitive emissions<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Industry\">Power Generation<\/td>\n<td data-label=\"Common Valve Types\">Gate, globe, check<\/td>\n<td data-label=\"Typical Material Groups\">1.5, 1.9, 1.10<\/td>\n<td data-label=\"Special Considerations\">High temperature, thermal cycling<\/td>\n<\/tr>\n<tr>\n<td data-label=\"Industry\">LNG Facilities<\/td>\n<td data-label=\"Common Valve Types\">Ball, gate, globe<\/td>\n<td data-label=\"Typical Material Groups\">1.2, 2.1, 3.4<\/td>\n<td data-label=\"Special Considerations\">Cryogenic temperatures, thermal shock<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<div class=\"cta-block\">\n<h3 class=\"cta-block-title\">Need Expert Guidance for Your Valve Selection?<\/h3>\n<p class=\"cta-block-text\">Our team of valve specialists can help you navigate ASME B16.34 requirements and select the optimal valves for your specific application needs.<\/p>\n<p> <a href=\"https:\/\/blog.projectmaterials.com\/contact\" target=\"_blank\" class=\"cta-btn\" data-link=\"true\" data-id=\"2\" rel=\"nofollow\">Request Valve Selection Assistance<\/a> <\/div>\n<\/section>\n<section id=\"conclusion\">\n<h2>Conclusion: The Critical Role of ASME B16.34<\/h2>\n<div class=\"img-container\">\n<p class=\"img-caption\">ASME B16.34 compliant valves ensuring safety and reliability across industrial applications<\/p>\n<\/p><\/div>\n<p>ASME B16.34 stands as a cornerstone standard in the valve industry, providing critical guidelines for pressure-temperature ratings, materials, design, testing, and marking requirements. By establishing these uniform requirements, the standard ensures that valves can safely contain pressure across varying temperature conditions while maintaining dimensional consistency for interchangeability.<\/p>\n<p>For engineers, procurement specialists, and industry professionals, understanding ASME B16.34 is essential for:<\/p>\n<ul class=\"custom-list\">\n<li>Selecting appropriate valves for specific service conditions<\/li>\n<li>Ensuring compliance with industry safety standards<\/li>\n<li>Verifying that valves meet required pressure and temperature capabilities<\/li>\n<li>Maintaining consistency across valve installations<\/li>\n<li>Properly documenting valve specifications for quality assurance<\/li>\n<\/ul>\n<p>By applying the knowledge outlined in this guide, you can confidently navigate valve selection, procurement, and application while ensuring compliance with this critical industry standard.<\/p>\n<div class=\"cta-block\">\n<h3 class=\"cta-block-title\">Ensure Your Valve Specifications Meet ASME B16.34 Requirements<\/h3>\n<p class=\"cta-block-text\">Our valve engineering experts can review your specifications, recommend appropriate solutions, and help you ensure compliance with all relevant standards.<\/p>\n<p> <a href=\"https:\/\/blog.projectmaterials.com\/contact\" target=\"_blank\" class=\"cta-btn cta-btn-large\" data-link=\"true\" data-id=\"3\" rel=\"nofollow\">Contact Our Valve Specialists Today<\/a> <\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Explore ASME B16.34 Valve Specification standards for pressure-temperature ratings, materials, and testing requirements. Essential guide for engineers and procurement specialists in industrial applications.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[14],"tags":[175,1406,1405,1407,597,1404,593],"class_list":["post-2239","post","type-post","status-publish","format-standard","hentry","category-news","tag-asme-b16-34","tag-asme-standards","tag-engineering-guidelines","tag-engineering-specifications","tag-valve-design","tag-valve-specification","tag-valve-standards"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ASME B16.34 Valve Specification: Complete Guide for Engineers<\/title>\n<meta name=\"description\" content=\"Explore ASME B16.34 Valve Specification standards for pressure-temperature ratings, materials, and testing requirements. 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