{"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\/pt\/what-is-a-butterfly-valve\/","title":{"rendered":"O que \u00e9 uma v\u00e1lvula borboleta?"},"content":{"rendered":"<p>A v\u00e1lvula borboleta \u00e9 um dispositivo de regula\u00e7\u00e3o e fechamento que pode ser uma alternativa, em algumas aplica\u00e7\u00f5es, com <a href=\"https:\/\/www.stvvalves.com\/pt\/wholesale\/globe-valve\/\">v\u00e1lvula global<\/a> e<a href=\"https:\/\/www.stvvalves.com\/pt\/wholesale\/ball-valve\/\"> v\u00e1lvulas de esfera<\/a>.<\/p>\n<p>Este tipo de v\u00e1lvula pode ser classificada com base em v\u00e1rios par\u00e2metros:<\/p>\n<p>design: centrado, duplo exc\u00eantrico, triplo exc\u00eantrico<br \/>\ntipo de conex\u00e3o final: wafer, tal\u00e3o (semi ou completo), flangeado e flange duplo<br \/>\nmaterial do assento: macio (exemplo: Teflon, Buna, borracha, etc) ou metal com metal (SS304, SS316)<br \/>\nmateriais do corpo e do disco (de ferro fundido a ligas com alto teor de n\u00edquel)<br \/>\nacionamento: manual (alavanca, engrenagem, engrenagem helicoidal) e acionado (el\u00e9trico, pneum\u00e1tico, hidr\u00e1ulico e g\u00e1s sobre \u00f3leo)<\/p>\n<p>Uma v\u00e1lvula borboleta \u00e9 usada para desligar ou modular o fluxo de um fluido (isolamento e regula\u00e7\u00e3o). API 609 Centrado <a href=\"https:\/\/www.youtube.com\/watch?v=0tnFqy-lOaM\" target=\"_blank\" rel=\"noopener\">v\u00e1lvulas borboleta<\/a> (sede macia) s\u00e3o preferidas \u00e0s v\u00e1lvulas gaveta e esfera para aplica\u00e7\u00f5es de baixa press\u00e3o e n\u00e3o cr\u00edticas, pois s\u00e3o mais baratas, mais leves e mais f\u00e1ceis de instalar. As v\u00e1lvulas borboleta exc\u00eantricas (v\u00e1lvulas de deslocamento duplo e triplo) com sedes met\u00e1licas cresceram em popularidade e competem com v\u00e1lvulas globo e esfera em algumas aplica\u00e7\u00f5es.<\/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\/pt\/wp-json\/wp\/v2\/posts\/5714","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/users\/290641"}],"replies":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/comments?post=5714"}],"version-history":[{"count":5,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts\/5714\/revisions"}],"predecessor-version":[{"id":5722,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/posts\/5714\/revisions\/5722"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/media\/5717"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/media?parent=5714"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/categories?post=5714"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/pt\/wp-json\/wp\/v2\/tags?post=5714"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}