{"id":5248,"date":"2019-08-02T06:23:20","date_gmt":"2019-08-02T06:23:20","guid":{"rendered":"https:\/\/www.stvvalves.com\/?p=5248"},"modified":"2019-08-02T06:23:21","modified_gmt":"2019-08-02T06:23:21","slug":"correct-installation-of-the-butterfly-valve","status":"publish","type":"post","link":"https:\/\/www.stvvalves.com\/fr\/correct-installation-of-the-butterfly-valve\/","title":{"rendered":"Installation correcte de la vanne papillon"},"content":{"rendered":"<p>1, la position d&#039;installation, la hauteur, la direction d&#039;importation et d&#039;exportation doivent r\u00e9pondre aux exigences de conception, la connexion doit \u00eatre ferme et compacte 0,2), toutes sortes de vannes manuelles install\u00e9es sur le tuyau d&#039;isolation, les poign\u00e9es ne doivent pas \u00eatre vers le bas.<br>\n2, la vanne doit \u00eatre inspect\u00e9e visuellement avant l&#039;installation, la plaque signal\u00e9tique de la vanne doit \u00eatre conforme \u00e0 la norme nationale en vigueur \u00ab General Valve Mark \u00bb GB 12220. Pour les vannes avec une pression de service sup\u00e9rieure \u00e0 1,0 MPa et une fonction d&#039;arr\u00eat sur le r\u00e9seau principal. tuyau, les tests de r\u00e9sistance et de performance serr\u00e9s doivent \u00eatre effectu\u00e9s avant l&#039;installation et doivent \u00eatre utilis\u00e9s apr\u00e8s avoir r\u00e9ussi le test. Lors du test de r\u00e9sistance, la pression d&#039;essai est de 1,5 fois la pression nominale, la dur\u00e9e n&#039;est pas inf\u00e9rieure \u00e0 5 minutes et le bo\u00eetier de vanne et la garniture doivent \u00eatre qualifi\u00e9s sans fuite. Dans le test rigoureux, la pression d&#039;essai est 1,1 fois la pression nominale\u00a0; la pression d&#039;essai doit r\u00e9pondre aux exigences de GB 50243 pendant la dur\u00e9e de l&#039;essai, et la fuite de la surface d&#039;\u00e9tanch\u00e9it\u00e9 de la vanne doit \u00eatre qualifi\u00e9e.<\/p>\n\n\n\n<p>La vanne papillon de type plaquette est l&#039;un des types de vannes les plus courants dans les canalisations industrielles. La structure de la vanne papillon de type plaquette elle-m\u00eame est relativement petite. Placez simplement la vanne papillon au milieu des brides aux deux extr\u00e9mit\u00e9s du pipeline et utilisez les doubles goujons pour passer \u00e0 travers les brides et les paires du pipeline. Les vannes papillon \u00e0 clipser bloquent le fluide dans la conduite. Les vannes papillon de type plaquette sont particuli\u00e8rement adapt\u00e9es aux endroits o\u00f9 l&#039;espace est limit\u00e9 ou o\u00f9 la distance entre les tuyaux est courte. Lorsque la vanne papillon est en position compl\u00e8tement ouverte, l&#039;\u00e9paisseur de la plaque papillon constitue la seule r\u00e9sistance lorsque le fluide traverse le corps de la vanne, de sorte que la chute de pression g\u00e9n\u00e9r\u00e9e par la vanne est tr\u00e8s faible. Petit, il pr\u00e9sente donc de meilleures caract\u00e9ristiques de contr\u00f4le du d\u00e9bit.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1021\" height=\"583\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/1.jpg\" alt=\"\" class=\"wp-image-5249\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/1.jpg 1021w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/1-600x343.jpg 600w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/1-300x171.jpg 300w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/1-768x439.jpg 768w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/1-705x403.jpg 705w\" sizes=\"auto, (max-width: 1021px) 100vw, 1021px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"885\" height=\"361\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/2.jpg\" alt=\"\" class=\"wp-image-5250\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/2.jpg 885w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/2-600x245.jpg 600w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/2-300x122.jpg 300w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/2-768x313.jpg 768w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/2-705x288.jpg 705w\" sizes=\"auto, (max-width: 885px) 100vw, 885px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"902\" height=\"407\" src=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/3.jpg\" alt=\"\" class=\"wp-image-5251\" srcset=\"https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/3.jpg 902w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/3-600x271.jpg 600w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/3-300x135.jpg 300w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/3-768x347.jpg 768w, https:\/\/www.stvvalves.com\/wp-content\/uploads\/2019\/08\/3-705x318.jpg 705w\" sizes=\"auto, (max-width: 902px) 100vw, 902px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>1, the installation position, height, import and export direction must meet the design requirements, the connection should be firm and compact 0.2), all kinds of manual valves installed on the insulation pipe, the handles must not be downward. 2, the valve must be visually inspected before installation, the nameplate of the valve should comply with [&hellip;]<\/p>\n","protected":false},"author":290641,"featured_media":5251,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[1222,1218,1219,1220,1221],"class_list":["post-5248","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","tag-installation-of-a-butterfly-valve","tag-installation-of-butterfly-valve","tag-installation-of-butterfly-valve-wafer-type","tag-installation-of-lug-butterfly-valve","tag-installation-of-lug-type-butterfly-valve"],"_links":{"self":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/5248","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=5248"}],"version-history":[{"count":0,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/posts\/5248\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media\/5251"}],"wp:attachment":[{"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/media?parent=5248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/categories?post=5248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.stvvalves.com\/fr\/wp-json\/wp\/v2\/tags?post=5248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}