{"id":69969,"date":"2026-05-17T17:29:08","date_gmt":"2026-05-17T17:29:08","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/en-12266\/"},"modified":"2026-05-19T15:32:34","modified_gmt":"2026-05-19T15:32:34","slug":"en-12266","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/en-12266\/","title":{"rendered":"EN 12266"},"content":{"rendered":"<h2>EN 12266 Standard: Pressure Testing Methods and Acceptance Criteria for Industrial Valves<\/h2>\n<h2>Scope and Regulatory Coverage<\/h2>\n<p>This European standard defines a set of mandatory procedures, testing methodologies, and evaluation criteria for the routine inspection of industrial pipeline valves manufactured from metal alloys. EV Group China experts emphasize that these regulations ensure strict quality control for products supplied to critical infrastructure projects.<\/p>\n<p>The established test protocols are universal and suitable for both acceptance testing of finished batches and verification of prototypes during type testing.<\/p>\n<p>Important clarification: the provisions of the EN 12266-1 standard do not apply to safety devices (safety valves).<\/p>\n<p>In cases where the requirements of this standard are integrated into the technical specifications for a specific type of valve, they are applied in conjunction with relevant industry standards. In the event of technical conflicts or discrepancies in requirements, priority is given to the standards governing the specific product or its operational characteristics.<\/p>\n<p><em>Technical note:<\/em> For testing valves made of thermoplastic polymers, the methodology described in the ISO 9393-1 and ISO 9393-2 series of standards should be used.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[114],"class_list":["post-69969","wiki","type-wiki","status-publish","hentry","wiki_category-en"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69969\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69969"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}