{"id":16611,"date":"2022-06-22T06:28:20","date_gmt":"2022-06-22T06:28:20","guid":{"rendered":"https:\/\/zecovalve.com\/?p=16611"},"modified":"2022-06-22T06:28:21","modified_gmt":"2022-06-22T06:28:21","slug":"what-are-the-classification-of-pneumatic-ball-valves","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/what-are-the-classification-of-pneumatic-ball-valves.html","title":{"rendered":"Quelle est la classification des robinets \u00e0 tournant sph\u00e9rique pneumatiques"},"content":{"rendered":"<p>Le robinet \u00e0 tournant sph\u00e9rique pneumatique a \u00e9t\u00e9 largement utilis\u00e9 dans la production d&#039;\u00e9lectricit\u00e9, la fabrication du papier, le p\u00e9trole, l&#039;industrie chimique, l&#039;\u00e9nergie atomique, l&#039;aviation, les fus\u00e9es et d&#039;autres industries, ainsi que dans la vie quotidienne des gens. Aujourd&#039;hui, partageons les connaissances pertinentes sur la classification des robinets pneumatiques \u00e0 bille !<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-i-overview-of-pneumatic-ball-valve\">I. Pr\u00e9sentation du robinet \u00e0 tournant sph\u00e9rique pneumatique<\/h2>\n\n\n\n<p>Le robinet \u00e0 tournant sph\u00e9rique pneumatique est un robinet \u00e0 tournant sph\u00e9rique \u00e9quip\u00e9 d&#039;un actionneur pneumatique, dont la vitesse d&#039;ex\u00e9cution est relativement rapide avec la vitesse de commutation la plus rapide de 0,05 seconde\/temps, il est donc \u00e9galement appel\u00e9 robinet \u00e0 tournant sph\u00e9rique pneumatique \u00e0 coupure rapide.<\/p>\n\n\n\n<p>Fondamentalement, le robinet \u00e0 tournant sph\u00e9rique pneumatique utilise une vanne magn\u00e9tique, un triplet de traitement de source d&#039;air, un interrupteur de fin de course, un positionneur, un bo\u00eetier de commande et d&#039;autres raccords pour r\u00e9aliser un contr\u00f4le local et un contr\u00f4le centralis\u00e9 \u00e0 distance. Il permet d&#039;ouvrir et de fermer la vanne dans la salle de contr\u00f4le sans op\u00e9ration manuelle sur le site ou \u00e0 haute altitude et dans les zones dangereuses, ce qui permet d&#039;\u00e9conomiser du temps et des ressources humaines et d&#039;am\u00e9liorer consid\u00e9rablement la s\u00e9curit\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ii-classification-of-pneumatic-ball-valves\">II. Classification des robinets \u00e0 tournant sph\u00e9rique pneumatiques<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Robinet \u00e0 tournant sph\u00e9rique mont\u00e9 sur tourillon<\/h3>\n\n\n\n<p>La bille du robinet \u00e0 tournant sph\u00e9rique pneumatique est fixe et ne bougera pas apr\u00e8s que la pression agisse sur elle. Tandis que le si\u00e8ge de vanne flottant qu&#039;il utilise se d\u00e9placera sous la pression moyenne pour permettre \u00e0 la bague d&#039;\u00e9tanch\u00e9it\u00e9 d&#039;\u00eatre press\u00e9e fermement contre la bille pour assurer l&#039;\u00e9tanch\u00e9it\u00e9. Equip\u00e9e de roulements sur les arbres sup\u00e9rieur et inf\u00e9rieur \u00e0 faible couple de fonctionnement, la bille fixe convient aux vannes haute pression et de grand diam\u00e8tre.<\/p>\n\n\n\n<p>Afin de r\u00e9duire le couple de fonctionnement du robinet \u00e0 tournant sph\u00e9rique pneumatique et d&#039;augmenter la fiabilit\u00e9 de l&#039;\u00e9tanch\u00e9it\u00e9, un robinet \u00e0 tournant sph\u00e9rique scell\u00e9 \u00e0 l&#039;huile appara\u00eet, c&#039;est-\u00e0-dire qu&#039;une huile lubrifiante sp\u00e9ciale est inject\u00e9e entre les surfaces d&#039;\u00e9tanch\u00e9it\u00e9 pour former un film d&#039;huile, ce qui non seulement am\u00e9liore les performances d&#039;\u00e9tanch\u00e9it\u00e9, mais r\u00e9duit \u00e9galement le couple de fonctionnement, ce qui est plus adapt\u00e9 aux vannes \u00e0 bille haute pression et de grand diam\u00e8tre.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Robinet \u00e0 tournant sph\u00e9rique flottant<\/h3>\n\n\n\n<p>La bille du robinet \u00e0 tournant sph\u00e9rique pneumatique flotte. La pression moyenne agit sur la bille et la bille se d\u00e9place avec un certain d\u00e9placement et est fermement press\u00e9e sur la surface d&#039;\u00e9tanch\u00e9it\u00e9 de l&#039;extr\u00e9mit\u00e9 de sortie pour assurer son \u00e9tanch\u00e9it\u00e9.<\/p>\n\n\n\n<p>Le robinet \u00e0 tournant sph\u00e9rique pneumatique flottant a une structure simple et de bonnes performances d&#039;\u00e9tanch\u00e9it\u00e9, mais toute la charge du fluide de travail support\u00e9e par la bille est transmise \u00e0 la bague d&#039;\u00e9tanch\u00e9it\u00e9 de sortie. Par cons\u00e9quent, il est n\u00e9cessaire de d\u00e9terminer si le mat\u00e9riau de la bague d\u2019\u00e9tanch\u00e9it\u00e9 peut r\u00e9sister \u00e0 la charge de travail du milieu sph\u00e9rique. Cette structure est largement utilis\u00e9e dans les vannes \u00e0 bille moyenne et basse pression.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Robinet \u00e0 tournant sph\u00e9rique \u00e9lastique<\/h2>\n\n\n\n<p>La bille du robinet \u00e0 tournant sph\u00e9rique pneumatique est \u00e9lastique. La bague d&#039;\u00e9tanch\u00e9it\u00e9 \u00e0 bille et le si\u00e8ge de vanne sont constitu\u00e9s de mat\u00e9riaux m\u00e9talliques avec un rapport de pression d&#039;\u00e9tanch\u00e9it\u00e9 \u00e9lev\u00e9. La pression du fluide lui-m\u00eame ne peut pas r\u00e9pondre aux exigences d&#039;\u00e9tanch\u00e9it\u00e9, une force externe doit donc \u00eatre appliqu\u00e9e. Cette vanne est bien adapt\u00e9e aux fluides \u00e0 haute temp\u00e9rature et haute pression.<\/p>\n\n\n\n<p>L&#039;\u00e9lasticit\u00e9 peut \u00eatre obtenue \u00e0 partir d&#039;une rainure \u00e9lastique au bas de la paroi interne de la balle. Lorsque le passage est ferm\u00e9, la t\u00eate en coin de la tige de valve permet \u00e0 la bille d&#039;\u00eatre dilat\u00e9e et press\u00e9e fermement contre le si\u00e8ge de valve pour obtenir l&#039;\u00e9tanch\u00e9it\u00e9. Desserrez la t\u00eate de coin avant de faire tourner la bille, et la bille reviendra \u00e0 sa taille d&#039;origine, ce qui entra\u00eenera un petit espace entre la bille et le si\u00e8ge de vanne, ce qui peut r\u00e9duire la friction sur la surface d&#039;\u00e9tanch\u00e9it\u00e9 et le couple de fonctionnement.<\/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\/tag\/shanghai-pressure-reducing-valve-factory\/\">Usine de soupapes de r\u00e9duction de pression de Shanghai<\/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\/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\/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\/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\/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\/the-function-of-globe-valve-in-pipeline-system.html\/\">Que sont les vannes \u00e0 soupape\u00a0?<\/a>\n\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Le robinet \u00e0 tournant sph\u00e9rique pneumatique a \u00e9t\u00e9 largement utilis\u00e9 dans la production d\u2019\u00e9lectricit\u00e9, la fabrication du papier, le p\u00e9trole, l\u2019industrie chimique, l\u2019\u00e9nergie atomique, l\u2019aviation, les fus\u00e9es et d\u2019autres industries,\u2026 <a title=\"Quelle est la classification des robinets \u00e0 tournant sph\u00e9rique pneumatiques\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/what-are-the-classification-of-pneumatic-ball-valves.html\" aria-label=\"Plus sur Quelle est la classification des robinets \u00e0 tournant sph\u00e9rique pneumatiques\">Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1927],"tags":[1861,2180,2120,1900],"class_list":["post-16611","post","type-post","status-publish","format-standard","hentry","category-ball-valve","tag-floating-ball-valve","tag-pneumatic-ball-valve","tag-pneumatic-ball-valves","tag-trunnion-mounted-ball-valve","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":false,"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/fr\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1927,"name":"Ball Valve","slug":"ball-valve","term_group":0,"term_taxonomy_id":1927,"taxonomy":"category","description":"Ball Valve Description","parent":0,"count":83,"filter":"raw","cat_ID":1927,"category_count":83,"category_description":"Ball Valve Description","cat_name":"Ball Valve","category_nicename":"ball-valve","category_parent":0}],"tag_info":[{"term_id":1861,"name":"floating ball valve","slug":"floating-ball-valve","term_group":0,"term_taxonomy_id":1861,"taxonomy":"post_tag","description":"","parent":0,"count":18,"filter":"raw"},{"term_id":2180,"name":"pneumatic ball valve","slug":"pneumatic-ball-valve","term_group":0,"term_taxonomy_id":2180,"taxonomy":"post_tag","description":"","parent":0,"count":15,"filter":"raw"},{"term_id":2120,"name":"Pneumatic Ball Valves","slug":"pneumatic-ball-valves","term_group":0,"term_taxonomy_id":2120,"taxonomy":"post_tag","description":"","parent":0,"count":5,"filter":"raw"},{"term_id":1900,"name":"trunnion mounted ball valve","slug":"trunnion-mounted-ball-valve","term_group":0,"term_taxonomy_id":1900,"taxonomy":"post_tag","description":"","parent":0,"count":12,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1927,"label":"Ball Valve"}],"post_tag":[{"value":1861,"label":"floating ball valve"},{"value":2180,"label":"pneumatic ball valve"},{"value":2120,"label":"Pneumatic Ball Valves"},{"value":1900,"label":"trunnion mounted ball valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - 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