{"id":6451,"date":"2022-08-06T15:38:45","date_gmt":"2022-08-06T07:38:45","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=6451"},"modified":"2025-01-02T15:21:13","modified_gmt":"2025-01-02T07:21:13","slug":"the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/fr\/the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve\/","title":{"rendered":"La diff\u00e9rence entre la vanne papillon \u00e0 brides et la vanne papillon \u00e0 plaquettes"},"content":{"rendered":"<p>Les vannes papillon sont non seulement largement utilis\u00e9es dans les industries g\u00e9n\u00e9rales telles que le p\u00e9trole, le gaz, la chimie, le traitement de l&#039;eau, mais \u00e9galement dans le syst\u00e8me d&#039;eau de refroidissement des centrales thermiques. La plaquette et la bride sont deux m\u00e9thodes de connexion. La vanne papillon \u00e0 brides comporte des brides aux deux extr\u00e9mit\u00e9s du corps de la vanne, qui sont reli\u00e9es \u00e0 des brides de tuyau. Le corps de la vanne papillon de type plaquette n&#039;a pas de brides aux deux extr\u00e9mit\u00e9s, seulement quelques trous de boulons pilotes, et la vanne est reli\u00e9e aux brides aux extr\u00e9mit\u00e9s avec un jeu de boulons\/\u00e9crous. Le clip est bon march\u00e9 et l\u00e9ger. Lorsque vous choisissez des vannes import\u00e9es, utilisez autant que possible le type \u00e0 plaquettes, qui est bon march\u00e9.<br \/>\n<a href=\"https:\/\/www.stvvalves.com\/fr\/wholesale\/butterfly-valve\/wafer-butterfly-valve\/\">Vanne de type plaquette<\/a> les boulons sont longs et n\u00e9cessitent une plus grande pr\u00e9cision de construction. Si les brides des deux c\u00f4t\u00e9s sont mal align\u00e9es, les boulons seront soumis \u00e0 une force de cisaillement plus importante et la vanne fuira facilement.<\/p>\n<p>En revanche, la vanne papillon \u00e0 plaquette est plus facile \u00e0 d\u00e9monter et le co\u00fbt de la vanne est inf\u00e9rieur, mais l&#039;inconv\u00e9nient est qu&#039;il y a un probl\u00e8me avec une surface d&#039;\u00e9tanch\u00e9it\u00e9 et que les deux surfaces d&#039;\u00e9tanch\u00e9it\u00e9 doivent \u00eatre d\u00e9mont\u00e9es.<\/p>\n<p>Les joints de vanne papillon \u00e0 brides sont relativement plus fiables, mais le co\u00fbt de la vanne est relativement \u00e9lev\u00e9.<\/p>\n<p>De plus, la vanne papillon de type plaquette ne peut g\u00e9n\u00e9ralement pas \u00eatre utilis\u00e9e \u00e0 l&#039;extr\u00e9mit\u00e9 du pipeline et l\u00e0 o\u00f9 l&#039;aval doit \u00eatre d\u00e9mont\u00e9, car lorsque la bride aval est d\u00e9mont\u00e9e, la vanne de type plaquette tombera. Dans ce cas, un autre joint court doit \u00eatre r\u00e9alis\u00e9. Il est facile \u00e0 d\u00e9monter et la vanne papillon \u00e0 brides ne pr\u00e9sente pas les probl\u00e8mes ci-dessus, mais le co\u00fbt sera relativement \u00e9lev\u00e9.<\/p>\n<p>Les boulons de valve de type plaquette sont g\u00e9n\u00e9ralement relativement longs. Dans des conditions de temp\u00e9rature \u00e9lev\u00e9e, l&#039;expansion des boulons peut provoquer des fuites, ils ne conviennent donc pas aux tuyaux de grand diam\u00e8tre dans des conditions de temp\u00e9rature \u00e9lev\u00e9e.<\/p>\n<div id=\"attachment_6452\" style=\"width: 1192px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-6452\" class=\"size-full wp-image-6452\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2022\/08\/the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve.jpg\" alt=\"Wafer type Butterfly Valve\" width=\"1182\" height=\"512\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2022\/08\/the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve.jpg 1182w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2022\/08\/the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve-600x260.jpg 600w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2022\/08\/the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve-300x130.jpg 300w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2022\/08\/the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve-1030x446.jpg 1030w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2022\/08\/the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve-768x333.jpg 768w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2022\/08\/the-difference-between-flanged-butterfly-valve-and-wafer-butterfly-valve-705x305.jpg 705w\" sizes=\"auto, (max-width: 1182px) 100vw, 1182px\" \/><p id=\"caption-attachment-6452\" class=\"wp-caption-text\">La vanne papillon de type Wafer est plac\u00e9e entre les brides de tuyaux et les boulons de bride entourent le corps de la vanne. La vanne papillon de type Wafer convient \u00e0 la plupart des brides (y compris Tableau E, PN16 et Ansi150). Si l\u2019un des c\u00f4t\u00e9s de la vanne n\u00e9cessite un entretien, la conduite enti\u00e8re doit \u00eatre ferm\u00e9e.<\/p><\/div>\n<div class=\"av-special-heading av-special-heading-h2 avia-builder-el-1 el_before_av_textblock avia-builder-el-first\">\n<h2 class=\"av-special-heading-tag\">FABRICANT DE VANNE PAPILLON EN CHINE<\/h2>\n<div class=\"special-heading-border\">\n<div class=\"special-heading-inner-border\"><\/div>\n<\/div>\n<\/div>\n<section class=\"av_textblock_section\">\n<div class=\"avia_textblock\">\n<p>STV produit et propose des vannes papillon \u00e9lectriques, des vannes papillon pneumatiques, des vannes papillon manuelles, des vannes papillon \u00e0 plaquettes, des vannes papillon \u00e0 bride, des vannes papillon en acier inoxydable et d&#039;autres fabricants, concevant des vannes papillon standard nationales, des vannes papillon pour d\u00e9partement de chimie, des vannes papillon m\u00e9caniques et des types d&#039;exportation ANSI. vanne papillon standard, vanne papillon standard DIN, vanne papillon JIS.<\/p>\n<\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Butterfly valves are not only widely used in general industries such as petroleum, gas, chemical, water treatment, but also in the cooling water system of thermal power plants. Wafer and flange are two connection methods. Flanged butterfly valve has flanges at both ends of the valve body, which are connected with pipe flanges. The wafer [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":6452,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[1527,1452],"class_list":["post-6451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-flanged-butterfly-valve","tag-wafer-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/6451","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=6451"}],"version-history":[{"count":1,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/6451\/revisions"}],"predecessor-version":[{"id":6453,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/6451\/revisions\/6453"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media\/6452"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media?parent=6451"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/categories?post=6451"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/tags?post=6451"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}