{"id":5436,"date":"2019-11-01T01:58:25","date_gmt":"2019-11-01T01:58:25","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=5436"},"modified":"2019-11-01T01:58:25","modified_gmt":"2019-11-01T01:58:25","slug":"how-to-repair-a-gate-valve","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/fr\/how-to-repair-a-gate-valve\/","title":{"rendered":"Comment r\u00e9parer un robinet-vanne"},"content":{"rendered":"<p>Pour les robinets-vannes en acier inoxydable, la vanne est d\u00e9connect\u00e9e de la tige de vanne et du tiroir en raison de la corrosion, de l&#039;usure ou d&#039;un mauvais fonctionnement lors de l&#039;ouverture et de la fermeture. Une fois la vanne ferm\u00e9e, elle ne peut plus \u00eatre ouverte. Il ne peut \u00eatre remplac\u00e9 qu&#039;apr\u00e8s avoir \u00e9t\u00e9 coup\u00e9 du syst\u00e8me. S&#039;il ne peut pas \u00eatre coup\u00e9 du syst\u00e8me, seul un autre processus ou p\u00e9riph\u00e9rique sera arr\u00eat\u00e9.<\/p>\n<p>Lorsque le tiroir du robinet-vanne en acier inoxydable est d\u00e9tach\u00e9 et ne peut pas \u00eatre d\u00e9coup\u00e9, le couvercle de soupape, la tige de soupape, la bague et la garniture peuvent \u00eatre chang\u00e9s sans changer le corps de soupape, le noyau de soupape et le si\u00e8ge de soupape pendant que le fluide scell\u00e9 est scell\u00e9 . Une fois le presse-\u00e9toupe assembl\u00e9, le noyau de vanne est expos\u00e9 et la tige de vanne est reconnect\u00e9e au noyau de vanne par une m\u00e9thode conventionnelle, de sorte que les trois joints de la vanne puissent \u00eatre maintenus en continu et que la vanne puisse \u00eatre rouverte. Une fois le couvercle de soupape du robinet-vanne en acier inoxydable d\u00e9mont\u00e9, \u00e0 l&#039;exception de la vanne sp\u00e9ciale, l&#039;angle de cale du tiroir de vanne se situe dans la plage de l&#039;angle de frottement. Quelle que soit la fa\u00e7on dont la pression aux deux extr\u00e9mit\u00e9s du noyau de valve change, le noyau de valve ne sera pas expuls\u00e9 du si\u00e8ge de valve dans la condition d&#039;auto-verrouillage. Pour les bobines de valve plates, il n&#039;y a plus d&#039;extrusion.<\/p>","protected":false},"excerpt":{"rendered":"<p>For stainless steel gate valves, the valve is disconnected from the valve stem and the spool due to corrosion, wear or improper operation during opening and closing. After the valve is closed, it cannot be opened. It can only be replaced after it is cut out from the system. If it cannot be cut out [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":5437,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[1288,1289,1286,1287],"class_list":["post-5436","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-how-to-fix-a-gate-valve-stuck","tag-how-to-fix-a-gate-valve-which-is-leaking","tag-how-to-fix-gate-valve","tag-how-to-repair-leaky-water-gate-valve"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/5436","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/comments?post=5436"}],"version-history":[{"count":0,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/5436\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media\/5437"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media?parent=5436"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/categories?post=5436"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/tags?post=5436"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}