{"id":1000685,"date":"2026-09-13T21:53:16","date_gmt":"2026-09-13T21:53:16","guid":{"rendered":"https:\/\/omnivapipe.com\/?post_type=product&#038;p=1000685"},"modified":"2026-10-20T13:52:54","modified_gmt":"2026-10-20T13:52:54","slug":"norme-ks","status":"publish","type":"product","link":"https:\/\/omnivapipe.com\/fr\/product\/cast-steel-fixed-ball-valve\/","title":{"rendered":"Robinet \u00e0 tournant sph\u00e9rique \u00e0 tourillon en acier moul\u00e9"},"content":{"rendered":"<p>Le robinet \u00e0 tournant sph\u00e9rique fixe (\u00e0 tourillons) en acier moul\u00e9 poss\u00e8de une sph\u00e8re support\u00e9e par des tourillons sup\u00e9rieur et inf\u00e9rieur : la pression de ligne est reprise par les paliers et non par les si\u00e8ges. Le couple de man\u0153uvre reste ainsi faible pour les grandes dimensions et hautes pressions, tandis que les si\u00e8ges \u00e0 ressort assurent une \u00e9tanch\u00e9it\u00e9 fiable sur les conduites de p\u00e9trole et de gaz.<\/p>\n<h5><strong>Sp\u00e9cifications techniques :<\/strong><\/h5>\n<ul>\n<li><strong>Classe de pression :<\/strong> PN16 \u2013 PN100<\/li>\n<li><strong>Plage de diam\u00e8tres :<\/strong> DN50 \u2013 DN600<\/li>\n<li><strong>Fluide admissible :<\/strong> P\u00e9trole, gaz naturel, eau, produits p\u00e9troliers<\/li>\n<li><strong>Temp\u00e9rature de service :<\/strong> -29 \u00b0C \u00e0 180 \u00b0C (selon le si\u00e8ge)<\/li>\n<\/ul>\n<h5><strong>Pi\u00e8ces principales et mat\u00e9riaux :<\/strong><\/h5>\n<table cellspacing=\"0\">\n<tbody>\n<tr>\n<td><strong>D\u00e9signation des pi\u00e8ces<\/strong><\/td>\n<td><strong>Mat\u00e9riaux<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Corps<\/td>\n<td>Acier moul\u00e9 WCB<\/td>\n<\/tr>\n<tr>\n<td>Sph\u00e8re<\/td>\n<td>A105 + ENP \/ acier inoxydable<\/td>\n<\/tr>\n<tr>\n<td>Si\u00e8ge<\/td>\n<td>RPTFE \/ nylon \/ PEEK \u00e0 ressort<\/td>\n<\/tr>\n<tr>\n<td>Tige \/ tourillon<\/td>\n<td>Acier inoxydable 2Cr13 \/ 17-4PH<\/td>\n<\/tr>\n<tr>\n<td>Organe de man\u0153uvre<\/td>\n<td>R\u00e9ducteur \/ actionneur<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5><strong>Principales caract\u00e9ristiques :<\/strong><\/h5>\n<ol>\n<li><strong>Support par tourillons :<\/strong> Faible couple m\u00eame \u00e0 haute pression et grande dimension.<\/li>\n<li><strong>Si\u00e8ges \u00e0 ressort :<\/strong> \u00c9tanch\u00e9it\u00e9 parfaite \u00e0 basse comme \u00e0 haute pression.<\/li>\n<li><strong>Double blocage et purge :<\/strong> \u00c9tanch\u00e9it\u00e9 des deux c\u00f4t\u00e9s avec d\u00e9compression de la cavit\u00e9 du corps.<\/li>\n<li><strong>S\u00e9curit\u00e9 feu et antistatique :<\/strong> Conception de s\u00e9curit\u00e9 pour le service hydrocarbures.<\/li>\n<li><strong>Injection d'urgence de mastic :<\/strong> L'\u00e9tanch\u00e9it\u00e9 des si\u00e8ges peut \u00eatre r\u00e9tablie en service.<\/li>\n<\/ol>\n<h5><strong>Applications :<\/strong><\/h5>\n<p>Id\u00e9al pour <strong>les ol\u00e9oducs et gazoducs<\/strong>, <strong>Stations de gaz<\/strong>, <strong>les usines p\u00e9trochimiques<\/strong>, et <strong>R\u00e9seaux de gaz de ville<\/strong>. Particuli\u00e8rement adapt\u00e9 aux fonctions d'isolement de grande taille et haute pression.<\/p>","protected":false},"excerpt":{"rendered":"<h5>Exigences techniques :<\/h5>\n<ol>\n<li><strong>Conception et fabrication :<\/strong> GB\/T 12237 \/ GB\/T 19672<\/li>\n<li><strong>\u00c9cartement entre faces :<\/strong> GB\/T 12221<\/li>\n<li><strong>Brides d'extr\u00e9mit\u00e9 :<\/strong> GB\/T 9124 \/ HG\/T 20592<\/li>\n<li><strong>Inspection et essais :<\/strong> GB\/T 13927<\/li>\n<\/ol>","protected":false},"featured_media":1001266,"template":"","meta":[],"product_brand":[],"product_cat":[15,276,247,239,335,333,332],"product_tag":[203,195,222,347],"class_list":["post-1000685","product","type-product","status-publish","has-post-thumbnail","product_cat-uncategorized","product_cat-gb-cast-steel-ball-valve","product_cat-gb-cast-steel","product_cat-gb-standard","product_cat-industrial-chemical-valves","product_cat-oil-gas-valves","product_cat-water-valves","product_tag-ball-valve","product_tag-cast-steel","product_tag-chinese-standard","product_tag-solution-oil-petrochemical","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/omnivapipe.com\/fr\/wp-json\/wp\/v2\/product\/1000685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/omnivapipe.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/omnivapipe.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/omnivapipe.com\/fr\/wp-json\/wp\/v2\/media\/1001266"}],"wp:attachment":[{"href":"https:\/\/omnivapipe.com\/fr\/wp-json\/wp\/v2\/media?parent=1000685"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/omnivapipe.com\/fr\/wp-json\/wp\/v2\/product_brand?post=1000685"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/omnivapipe.com\/fr\/wp-json\/wp\/v2\/product_cat?post=1000685"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/omnivapipe.com\/fr\/wp-json\/wp\/v2\/product_tag?post=1000685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}