{"id":4271,"date":"2026-06-15T18:25:14","date_gmt":"2026-06-15T10:25:14","guid":{"rendered":"https:\/\/ballvalves.tw\/?post_type=product&#038;p=4271"},"modified":"2026-06-15T18:25:14","modified_gmt":"2026-06-15T10:25:14","slug":"kf-nw-vacuum-centering-ring","status":"publish","type":"product","link":"https:\/\/ballvalves.tw\/it\/product\/kf-nw-vacuum-centering-ring\/","title":{"rendered":"KF \/ NW (ISO-KF) Vacuum Centering Ring \u2014 SS304 (KF16\u2013KF50)"},"content":{"rendered":"<p>A KF (NW) centering ring machined from SS304 stainless steel. It sits between two KF<br \/>\n  quick-release flanges, centers the bore, and holds the sealing O-ring in its groove so a KF clamp<br \/>\n  can pull the joint tight. This is the metal centering ring only \u2014 the O-ring and clamp are ordered<br \/>\n  separately. Available in KF16, KF25, KF40 and KF50.<\/p>\n<ul>\n<li><strong>Materiale:<\/strong> SS304 stainless steel.<\/li>\n<li><strong>Standard:<\/strong> KF \/ NW (ISO-KF) quick-flange vacuum fitting.<\/li>\n<li><strong>Funzione:<\/strong> centers the bore between two KF flanges and seats the O-ring for<br \/>\n  sealing.<\/li>\n<li><strong>Supplied as:<\/strong> the metal centering ring only \u2014 O-ring not included.<\/li>\n<li><strong>Sizes:<\/strong> KF16 (NW16), KF25 (NW25), KF40 (NW40), KF50 (NW50).<\/li>\n<li>Manufactured under our ISO 9001 quality system.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>SS304 stainless steel centering ring for KF (NW) quick-flange vacuum connections. Fits between<br \/>\n  two KF flanges to align the bore and seat the O-ring. Metal ring only (O-ring not included). Sizes:<br \/>\n  KF16, KF25, KF40, KF50.<\/p>","protected":false},"featured_media":4272,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[72],"product_tag":[],"class_list":["post-4271","product","type-product","status-publish","has-post-thumbnail","product_cat-pipe-fittings","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","taxable","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/ballvalves.tw\/it\/wp-json\/wp\/v2\/product\/4271","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ballvalves.tw\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ballvalves.tw\/it\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ballvalves.tw\/it\/wp-json\/wp\/v2\/media\/4272"}],"wp:attachment":[{"href":"https:\/\/ballvalves.tw\/it\/wp-json\/wp\/v2\/media?parent=4271"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ballvalves.tw\/it\/wp-json\/wp\/v2\/product_brand?post=4271"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ballvalves.tw\/it\/wp-json\/wp\/v2\/product_cat?post=4271"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ballvalves.tw\/it\/wp-json\/wp\/v2\/product_tag?post=4271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}