{"id":16173,"date":"2022-06-19T14:59:28","date_gmt":"2022-06-19T14:59:28","guid":{"rendered":"https:\/\/zecovalve.com\/?p=16173"},"modified":"2022-07-17T16:08:13","modified_gmt":"2022-07-17T16:08:13","slug":"bonnet-designs","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/bonnet-designs.html","title":{"rendered":"Tout ce que vous devez savoir sur le capot de vanne et le capot de vanne"},"content":{"rendered":"<p>Une introduction d\u00e9taill\u00e9e aux \u00e9l\u00e9ments internes du chapeau de vanne et des vannes \u00e0 vanne et aux conceptions de corps \/ chapeau<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Qu&#039;est-ce qu&#039;un chapeau de valve ?<\/h2>\n\n\n\n<p>Le chapeau de vanne est un ensemble comprenant la pi\u00e8ce \u00e0 travers laquelle se d\u00e9place une tige de clapet de vanne et un moyen d&#039;\u00e9tanch\u00e9it\u00e9 contre les fuites le long de la tige. Il fournit g\u00e9n\u00e9ralement un moyen de montage de l&#039;actionneur. L&#039;\u00e9tanch\u00e9it\u00e9 contre les fuites peut \u00eatre r\u00e9alis\u00e9e par une garniture ou un soufflet. Un ensemble chapeau peut comprendre un ensemble lubrificateur de garniture avec ou sans vanne d&#039;isolement. Des ailettes de rayonnement ou un chapeau d&#039;extension peuvent \u00eatre utilis\u00e9s pour maintenir un diff\u00e9rentiel de temp\u00e9rature entre le corps de vanne et les moyens d&#039;\u00e9tanch\u00e9it\u00e9.<\/p>\n\n\n\n<p>Le chapeau de la vanne est la deuxi\u00e8me limite de pression principale d&#039;une vanne. Il est moul\u00e9 ou forg\u00e9 dans le m\u00eame mat\u00e9riau que le corps et est reli\u00e9 au corps par un joint filet\u00e9, boulonn\u00e9 ou soud\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Types de chapeau de vanne<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>CAPOT STANDARD<\/li><li>CAPOT ALLONG\u00c9<\/li><li>CAPOT CRYOG\u00c9NIQUE<\/li><li>JOINT \u00c0 SOUFFLET CAPOT<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-internals-parts-of-the-gate-valve\">Pi\u00e8ces internes du robinet-vanne<\/h2>\n\n\n\n<p>Les professionnels des vannes font souvent r\u00e9f\u00e9rence au terme \u00ab\u00a0internes\u00a0\u00bb lorsqu&#039;il s&#039;agit de vannes industrielles. Cependant, leur objectif n&#039;est pas la qualit\u00e9 mais la r\u00e9sistance des composants internes \u00e0 de mauvaises conditions de travail comme les contraintes extr\u00eames li\u00e9es \u00e0 la corrosion. Les \u00e9l\u00e9ments internes du robinet-vanne sont la tige, la zone d&#039;\u00e9tanch\u00e9it\u00e9 du disque, le si\u00e8ge et le joint sup\u00e9rieur (le cas \u00e9ch\u00e9ant). Pour les vannes en bronze et en laiton, leurs parties internes sont g\u00e9n\u00e9ralement construites avec le m\u00eame mat\u00e9riau que celui du corps et du chapeau.<\/p>\n\n\n\n<p>Les vannes en fonte et en fonte ductile ont tous les composants internes en fer, ou parfois en bronze. La vanne en fer avec des composants internes en bronze est connue sous le nom de \u00ab corps en fer mont\u00e9 en bronze \u00bb ou simplement IBBM. Pour leur soudabilit\u00e9, les vannes en acier peuvent \u00eatre \u00e9quip\u00e9es d&#039;une grande vari\u00e9t\u00e9 de composants internes, tels que le Stellite, l&#039;Hastelloy, le 316ss, le 347ss, le Monel et l&#039;alliage n\u00b020.<\/p>\n\n\n\n<p>La plupart des vannes du 19e si\u00e8cle \u00e9taient \u00e0 extr\u00e9mit\u00e9 filet\u00e9e, parmi lesquelles la vanne filet\u00e9e en cloche peut mesurer jusqu&#039;\u00e0 12 pouces de long. Les vannes \u00e0 bride sont devenues populaires par la suite. De nos jours, les autres connexions utilis\u00e9es sont les connexions \u00e0 filetage, \u00e0 anneau, Victaulic, Greyloc et celles \u00e0 \u00ab terminaison m\u00e9canique \u00bb sp\u00e9cialis\u00e9es dans l&#039;eau.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-bonnet-of-a-gate-valve\">Qu&#039;est-ce que le capot d&#039;un robinet-vanne ?<\/h2>\n\n\n\n<p>Les chapeaux de vannes sont d&#039;autres composants importants pour le type \u00e0 vanne et \u00e0 globe. En d\u00e9montant le capot, le personnel de maintenance a acc\u00e8s aux m\u00e9canismes internes et peut remplacer des composants comme le si\u00e8ge, la tige, etc. (garniture).<\/p>\n\n\n\n<p>Les chapeaux de vanne sont disponibles dans de nombreuses conceptions et mod\u00e8les (les plus typiques sont : boulonn\u00e9s, boulonn\u00e9s ronds, soud\u00e9s, avec joint sous pression) et sont fabriqu\u00e9s en acier moul\u00e9 ou en acier forg\u00e9 (en utilisant g\u00e9n\u00e9ralement la m\u00eame qualit\u00e9 de mat\u00e9riau que le corps). Le chapeau est reli\u00e9 au corps par des raccords filet\u00e9s, boulonn\u00e9s ou soud\u00e9s \u2013 et diff\u00e9rents types de joints sont utilis\u00e9s pour garantir des connexions sans fuite entre le corps et le chapeau.<\/p>\n\n\n\n<p>Les fabricants s&#039;efforcent d&#039;optimiser la conception de cette pi\u00e8ce (pour r\u00e9duire l&#039;encombrement de l&#039;appareil et garantir une connexion \u00e9tanche et \u00e9tanche).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-structural-designs-of-the-body-bonnet\">Conceptions structurelles du corps\/capot<\/h2>\n\n\n\n<p>Les conceptions donnent g\u00e9n\u00e9ralement lieu \u00e0 cinq connexions diff\u00e9rentes entre le corps du portail et le capot. Ils sont filet\u00e9s, union, chapeau boulonn\u00e9, chapeau soud\u00e9 et scell\u00e9s sous pression.<\/p>\n\n\n\n<p>Le raccord filet\u00e9 est la conception la plus simple, appliqu\u00e9e uniquement aux vannes en bronze, qui sont relativement moins ch\u00e8res et rarement d\u00e9montables.<\/p>\n\n\n\n<p>Le raccord-union, qui est \u00e9galement utilis\u00e9 principalement pour les vannes en bronze, est con\u00e7u pour faciliter l&#039;entretien et le d\u00e9montage.<\/p>\n\n\n\n<p>La connexion boulonn\u00e9e du chapeau est la connexion la plus courante et est pr\u00e9sente partout dans les principaux robinets-vannes industriels. Afin d&#039;assurer l&#039;\u00e9tanch\u00e9it\u00e9 du robinet-vanne, des joints sont n\u00e9cessaires entre le corps et le chapeau dans le cas de raccords filet\u00e9s et union.<\/p>\n\n\n\n<p>Le raccord \u00e9tanche \u00e0 pression r\u00e9alise son \u00e9tanch\u00e9it\u00e9 au moyen de la moyenne pression agissant sur le fer doux en forme de coin ou sur le joint d&#039;encre sph\u00e9rique entre le corps et le chapeau. Par cons\u00e9quent, plus la pression dans la cavit\u00e9 du corps est \u00e9lev\u00e9e, plus la force agissant sur le joint est importante. Il est beaucoup plus l\u00e9ger que celui \u00e0 capot boulonn\u00e9.<\/p>\n\n\n\n<p>Le raccord soud\u00e9 \u00e0 chapeau est la construction la plus courante pour les vannes en acier compactes de 1\/2 \u00e0 2 pouces avec des niveaux de pression compris entre 800 et 2 500 PSI, qui est rarement d\u00e9montable. Semblable au cas de la vanne scell\u00e9e sous pression, la vanne \u00e0 chapeau soud\u00e9 est plus l\u00e9g\u00e8re que celle \u00e0 chapeau boulonn\u00e9.<\/p>\n\n\n\n<p>Ci-dessus se trouve une introduction d\u00e9taill\u00e9e aux composants internes des vannes et aux conceptions de corps\/chapeau.<\/p>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Balises associ\u00e9es :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/\">Soupape ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/difference-between-gate-valves-and-ball-valves.html\/\">Vanne et robinet \u00e0 boisseau sph\u00e9rique<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/introduction-of-epdm-nbr-butterfly-valve-seat-industrial-valve-information-news-zeco-valve.html\/\">Robinet \u00e0 papillon NBR<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/what-is-an-axial-flow-silent-check-valve.html\/\">Qu'est-ce qu'un clapet anti-retour axial ?<\/a>\n\n<\/div>\n\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/gate-valve-problems.html\/\">R\u00e9paration de vannes \u00e0 vanne<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/advantages-and-disadvantages-of-globe-valves.html\/\">Qu'est-ce qu'un robinet \u00e0 soupape ?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/produit\/manual-gate-valve\/\">Fabricant de robinets-vannes \u00e0 commande manuelle<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/the-function-of-globe-valve-in-pipeline-system.html\/\">Que sont les vannes \u00e0 soupape\u00a0?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Une introduction d\u00e9taill\u00e9e aux \u00e9l\u00e9ments internes du chapeau de vanne et des vannes \u00e0 vanne et aux conceptions de corps\/chapeau. Qu&#039;est-ce qu&#039;un chapeau de vanne ? Chapeau de soupape\u2026 <a title=\"Tout ce que vous devez savoir sur le capot de vanne et le capot de vanne\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/bonnet-designs.html\" aria-label=\"Plus sur Tout ce que vous devez savoir sur le capot de vanne et le capot de vanne\">Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":17508,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2741,2742,2743,2740,2745,2744],"class_list":["post-16173","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-bonnet-valve","tag-gate-valve-bonnet","tag-gate-valve-internals","tag-valve-bonnet","tag-valve-designs","tag-what-is-a-valve-bonnet","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/g-2-105309.jpg",800,600,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2741,"name":"bonnet valve","slug":"bonnet-valve","term_group":0,"term_taxonomy_id":2741,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2742,"name":"gate valve bonnet","slug":"gate-valve-bonnet","term_group":0,"term_taxonomy_id":2742,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2743,"name":"gate valve internals","slug":"gate-valve-internals","term_group":0,"term_taxonomy_id":2743,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2740,"name":"valve bonnet","slug":"valve-bonnet","term_group":0,"term_taxonomy_id":2740,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2745,"name":"valve designs","slug":"valve-designs","term_group":0,"term_taxonomy_id":2745,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2744,"name":"what is a valve bonnet","slug":"what-is-a-valve-bonnet","term_group":0,"term_taxonomy_id":2744,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2741,"label":"bonnet valve"},{"value":2742,"label":"gate valve bonnet"},{"value":2743,"label":"gate valve internals"},{"value":2740,"label":"valve bonnet"},{"value":2745,"label":"valve designs"},{"value":2744,"label":"what is a valve bonnet"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>All You Need to Know About Valve Bonnet &amp; Gate Valve Bonnet - ZECO<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zecovalve.com\/fr\/bonnet-designs.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"All You Need to Know About Valve Bonnet &amp; Gate Valve Bonnet - ZECO\" \/>\n<meta property=\"og:description\" content=\"A Detailed Introduction to Valve Bonnet &amp; Gate Valve Internals and Body \/ Bonnet Designs What is a Valve Bonnet? 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