{"id":69759,"date":"2026-05-17T17:28:00","date_gmt":"2026-05-17T17:28:00","guid":{"rendered":"https:\/\/evgroupchina.com\/encyclopedia-of-metal\/iso-16092020\/"},"modified":"2026-05-19T15:30:59","modified_gmt":"2026-05-19T15:30:59","slug":"iso-16092020","status":"publish","type":"wiki","link":"https:\/\/evgroupchina.com\/en\/encyclopedia-of-metal\/iso-16092020\/","title":{"rendered":"ISO 1609:2020"},"content":{"rendered":"<h2>Technical standards and scope of ISO 1609:2020<\/h2>\n<p>This specification defines the geometric parameters and tolerances for flanges and clamp-type couplings without a knife edge (non-knife-edge) used in modern vacuum technology. EV Group China&#8217;s technological solutions are based on these standards to ensure the leaktightness of vacuum systems.<\/p>\n<p>The established dimensions guarantee full compatibility and interchangeability of components with various types of fixation:<\/p>\n<ul>\n<li>Ensuring mating in homogeneous assemblies (bolted flanges or clamping systems).<\/li>\n<li>Integration into heterogeneous configurations (combined connections of bolt-type with clamping mechanisms or rotatable flange elements).<\/li>\n<\/ul>\n<p>The standard regulates the use of sealing materials, including elastomeric O-rings and metal seals. When designing vacuum systems, EV Group China specialists strictly adhere to the requirements for linear sealing loads, as set out in Annex A of these specifications, which guarantees reliable operation under high and ultra-high vacuum conditions.<\/p>\n","protected":false},"featured_media":0,"template":"","meta":[],"wiki_category":[120],"class_list":["post-69759","wiki","type-wiki","status-publish","hentry","wiki_category-iso"],"_links":{"self":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki\/69759","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\/69759\/revisions"}],"wp:attachment":[{"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/media?parent=69759"}],"wp:term":[{"taxonomy":"wiki_category","embeddable":true,"href":"https:\/\/evgroupchina.com\/en\/wp-json\/wp\/v2\/wiki_category?post=69759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}