{"id":5714,"date":"2021-03-06T00:47:13","date_gmt":"2021-03-06T00:47:13","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=5714"},"modified":"2021-03-06T12:21:52","modified_gmt":"2021-03-06T12:21:52","slug":"what-is-a-butterfly-valve","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/fr\/what-is-a-butterfly-valve\/","title":{"rendered":"Qu&#039;est-ce qu&#039;une vanne papillon ?"},"content":{"rendered":"<p>Une vanne papillon est un dispositif de r\u00e9gulation et d&#039;arr\u00eat qui peut constituer une alternative, dans certaines applications, \u00e0 <a href=\"https:\/\/www.stvvalves.com\/fr\/wholesale\/globe-valve\/\">robinet \u00e0 soupape<\/a> et<a href=\"https:\/\/www.stvvalves.com\/fr\/wholesale\/ball-valve\/\"> robinets \u00e0 tournant sph\u00e9rique<\/a>.<\/p>\n<p>Ce type de vanne peut \u00eatre class\u00e9 en fonction de plusieurs param\u00e8tres\u00a0:<\/p>\n<p>mod\u00e8le : centr\u00e9, double excentrique, triple excentrique<br \/>\ntype de connexion d&#039;extr\u00e9mit\u00e9\u00a0: plaquette, cosse (semi ou compl\u00e8te), \u00e0 bride et \u00e0 double bride<br \/>\nmat\u00e9riau du si\u00e8ge : souple (exemple : T\u00e9flon, Buna, caoutchouc, etc.) ou m\u00e9tal sur m\u00e9tal (SS304, SS316)<br \/>\nmat\u00e9riaux du corps et des disques (de la fonte aux alliages \u00e0 haute teneur en nickel)<br \/>\nactionnement\u00a0: manuel (levier, engrenage, engrenage \u00e0 vis sans fin) et actionn\u00e9 (types \u00e9lectriques, pneumatiques, hydrauliques et \u00e0 gaz sur huile)<\/p>\n<p>Une vanne papillon permet de fermer ou de moduler le d\u00e9bit d&#039;un fluide (isolement et r\u00e9gulation). API 609 Centr\u00e9 <a href=\"https:\/\/www.youtube.com\/watch?v=0tnFqy-lOaM\" target=\"_blank\" rel=\"noopener\">les vannes papillon<\/a> (\u00e0 si\u00e8ge souple) sont pr\u00e9f\u00e9r\u00e9s aux robinets-vannes et aux robinets \u00e0 tournant sph\u00e9rique pour les applications basse pression et non critiques car ils sont moins chers, plus l\u00e9gers et plus faciles \u00e0 installer. Les vannes papillon excentriques (vannes \u00e0 double et triple d\u00e9calage) avec si\u00e8ges m\u00e9talliques ont gagn\u00e9 en popularit\u00e9 et rivalisent avec les vannes \u00e0 soupape et \u00e0 bille pour certaines applications.<\/p>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-5719\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/lug-type-butterfly-valve-500x500-1.jpg\" alt=\"\" width=\"500\" height=\"500\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/lug-type-butterfly-valve-500x500-1.jpg 500w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/lug-type-butterfly-valve-500x500-1-300x300.jpg 300w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/lug-type-butterfly-valve-500x500-1-100x100.jpg 100w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/lug-type-butterfly-valve-500x500-1-80x80.jpg 80w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/lug-type-butterfly-valve-500x500-1-36x36.jpg 36w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2021\/03\/lug-type-butterfly-valve-500x500-1-180x180.jpg 180w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>A butterfly valve is a regulating and shut-off device that can be an alternative, in some applications, with globe valve and ball valves. This type of valve may be classified base on multiple parameters: design: centric, double eccentric, triple eccentric end connection type: wafer, lug (semi or full), flanged and double flanged seat material: soft [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":5717,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[1446,1449,1447,1448,1450],"class_list":["post-5714","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-butterfly-valve-working","tag-design-materials-for-butterfly-valves","tag-principle-butterfly-valve","tag-specification-butterfly-valve","tag-what-is-a-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/5714","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=5714"}],"version-history":[{"count":5,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/5714\/revisions"}],"predecessor-version":[{"id":5722,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/5714\/revisions\/5722"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media\/5717"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media?parent=5714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/categories?post=5714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/tags?post=5714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}