{"id":8765,"date":"2021-12-30T07:54:49","date_gmt":"2021-12-30T07:54:49","guid":{"rendered":"https:\/\/zecovalve.com\/news-why-choose-bellows-seal-globe-valve-professional-valve-manufacturer.html"},"modified":"2022-10-11T14:13:18","modified_gmt":"2022-10-11T14:13:18","slug":"news-why-choose-bellows-seal-globe-valve-professional-valve-manufacturer","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/news-why-choose-bellows-seal-globe-valve-professional-valve-manufacturer.html","title":{"rendered":"Vanne \u00e0 soufflet \u2013 Vanne \u00e0 soupape \u00e0 joint \u00e0 soufflet"},"content":{"rendered":"<h2 class=\"gb-headline gb-headline-0ffc58db gb-headline-text\">Qu&#039;est-ce qu&#039;une vanne \u00e0 soufflet ?<\/h2>\n\n\n\n<p>Une vanne \u00e0 soufflet est une vanne sp\u00e9cialement con\u00e7ue pour \u00eatre utilis\u00e9e dans les industries traitant de fluides dangereux o\u00f9 m\u00eame des fuites infimes peuvent \u00eatre extr\u00eamement critiques. Avec la croissance exponentielle de nouvelles industries telles que l\u2019industrie chimique et nucl\u00e9aire, une abondance croissante de fluides inflammables, dangereux, extr\u00eamement toxiques et toxiques circule dans les pipelines. Cela cr\u00e9e un risque \u00e9lev\u00e9 de fuite, d\u2019explosion et de risques pour la sant\u00e9. Ainsi, les vannes utilis\u00e9es dans ces tuyaux et syst\u00e8mes ont des exigences sp\u00e9cifiques et strictes en mati\u00e8re de fuite et d\u2019\u00e9tanch\u00e9it\u00e9.<\/p>\n\n\n\n<p>La n\u00e9cessit\u00e9 d&#039;une approche compl\u00e8tement diff\u00e9rente pour l&#039;\u00e9tanch\u00e9it\u00e9 et la redondance souhait\u00e9es a conduit au d\u00e9veloppement du robinet \u00e0 soupape \u00e0 soufflet.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/\u6ce2\u7eb9\u7ba1\u622a\u6b62\u9600-2-1024x768.jpg\" alt=\"\" class=\"wp-image-17961\" width=\"512\" height=\"384\" srcset=\"\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" data-srcset=\"\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"gb-headline gb-headline-3f010a8e gb-headline-text\">Comment fonctionne le robinet \u00e0 soupape \u00e0 soufflet\u00a0?<\/h2>\n\n\n\n<p>Une vanne \u00e0 soupape \u00e0 soufflet est une structure compacte qui est une sorte de vanne de r\u00e9gulation qui utilise un soufflet pour sceller les composants de la tige de vanne. La vanne \u00e0 soufflet comporte un soufflet \u00e0 l&#039;int\u00e9rieur et l&#039;extr\u00e9mit\u00e9 inf\u00e9rieure du soufflet en acier inoxydable est soud\u00e9e \u00e0 la tige pour emp\u00eacher le fluide du syst\u00e8me d&#039;\u00e9roder la tige. L&#039;autre extr\u00e9mit\u00e9 est positionn\u00e9e entre le corps de la vanne et le couvercle de la vanne pour cr\u00e9er un joint permanent. Cette configuration \u00e0 double joint \u00e9limine les fuites, c&#039;est-\u00e0-dire que m\u00eame si le soufflet s&#039;effondre, l&#039;emballage de la tige emp\u00eachera d&#039;autres fuites. Les soufflets sont soud\u00e9s \u00e0 la tige de vanne pour garantir une efficacit\u00e9 de fonctionnement stable et emp\u00eacher les vibrations de la tige de vanne induites par le mouvement de l&#039;insert de vanne.<\/p>\n\n\n\n<h2 class=\"gb-headline gb-headline-35ccd817 gb-headline-text\">Comparaison entre les vannes \u00e0 soupape \u00e0 soufflet et les vannes traditionnelles<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><th><br><\/th><th>Vannes \u00e0 soufflet<\/th><th>Vannes \u00e0 piston<\/th><th>Vannes conventionnelles<\/th><\/tr><tr><td>Joint de tige primaire<\/td><td>Soufflet m\u00e9tallique<\/td><td>Segment de piston<\/td><td>Garniture de presse-\u00e9toupe<\/td><\/tr><tr><td>Joint de tige secondaire<\/td><td>Garniture de presse-\u00e9toupe<\/td><td>Aucun<\/td><td>Aucun<\/td><\/tr><tr><td>Fuite de tige<\/td><td>Impossible puisque les soufflets m\u00e9talliques sont con\u00e7us pour durer plusieurs milliers de cycles.<\/td><td>Se produit d\u00e8s que la bague est us\u00e9e.<\/td><td>Tr\u00e8s commun. En raison du frottement entre la tige, il se produit en quelques cycles, quelle que soit la fabrication de la vanne ou la qualit\u00e9 de la garniture du presse-\u00e9toupe.<\/td><\/tr><tr><td>Remplacement de l&#039;emballage<\/td><td>N&#039;est pas applicable<\/td><td>Les bagues doivent \u00eatre chang\u00e9es fr\u00e9quemment<\/td><td>L&#039;emballage doit \u00eatre remplac\u00e9 tr\u00e8s souvent<\/td><\/tr><tr><td>Co\u00fbt de remplacement<\/td><td>N&#039;est pas applicable<\/td><td>Tr\u00e8s haut<\/td><td>Haut<\/td><\/tr><tr><td>Perte de m\u00e9dias<\/td><td>Z\u00e9ro perte. L&#039;isolation se faisant par soufflet m\u00e9tallique, aucune fuite (en ppm) n&#039;est possible.<\/td><td>Grand en cas de fuite<\/td><td>Quantit\u00e9 consid\u00e9rable due aux fuites des presse-\u00e9toupes. Quantit\u00e9 normalement importante lorsque la fuite reste sans surveillance.<\/td><\/tr><tr><td>Temps d&#039;arr\u00eat de l&#039;\u00e9quipement<\/td><td>N\u00e9ant<\/td><td>Tr\u00e8s \u00e9lev\u00e9 pour le remplacement des bagues<\/td><td>Tr\u00e8s \u00e9lev\u00e9 pour remplacer la garniture de presse-\u00e9toupe<\/td><\/tr><tr><td>Co\u00fbt de maintenance souvent<\/td><td>N\u00e9ant<\/td><td>\u00c9lev\u00e9 car les bagues doivent \u00eatre chang\u00e9es au moins une fois tous les six mois<\/td><td>Tr\u00e8s \u00e9lev\u00e9, la garniture du presse-\u00e9toupe doit \u00eatre remplac\u00e9e\/reconditionn\u00e9e. Le co\u00fbt ainsi que l&#039;\u00e9quipement en panne, les heures de travail pass\u00e9es sont tr\u00e8s \u00e9lev\u00e9s.<\/td><\/tr><tr><td>Dur\u00e9e de vie des vannes<\/td><td>Des ann\u00e9es \u00e9lev\u00e9es<\/td><td>Faible<\/td><td>Tr\u00e8s faible \u2013 en -mois. En raison de fuites au niveau du presse-\u00e9toupe, certaines pi\u00e8ces s&#039;\u00e9rodent, rendant la vanne irr\u00e9parable au bout de quelques mois.<\/td><\/tr><tr><td>S\u00e9curit\u00e9<\/td><td>Peut \u00eatre utilis\u00e9 en toute s\u00e9curit\u00e9 sur presque tous les supports<\/td><td>Peut \u00eatre utilis\u00e9 pour des produits limit\u00e9s comme la vapeur, l&#039;eau chaude<\/td><td>Tr\u00e8s dangereux lorsque le support est dangereux\/toxique<\/td><\/tr><tr><td>Co\u00fbt<\/td><td>Co\u00fbt total de possession relativement plus \u00e9lev\u00e9 au d\u00e9part mais le plus bas<\/td><td>\u00c9lev\u00e9 par rapport aux b\u00e9n\u00e9fices<\/td><td>Initialement faible, mais tr\u00e8s \u00e9lev\u00e9 apr\u00e8s quelques ann\u00e9es si le co\u00fbt de l&#039;emballage, les temps d&#039;arr\u00eat, les heures de travail pass\u00e9es et le nombre de vannes remplac\u00e9es agissent. Sont prises en compte.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"507\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/\u5fb7\u6807\u622a\u6b62\u9600-1-1024x507.jpg\" alt=\"\" class=\"wp-image-17962\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/\u5fb7\u6807\u622a\u6b62\u9600-1-1024x507.jpg 1024w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/\u5fb7\u6807\u622a\u6b62\u9600-1-300x149.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/\u5fb7\u6807\u622a\u6b62\u9600-1-768x381.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/\u5fb7\u6807\u622a\u6b62\u9600-1-1536x761.jpg 1536w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/\u5fb7\u6807\u622a\u6b62\u9600-1-2048x1015.jpg 2048w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/\u5fb7\u6807\u622a\u6b62\u9600-1-600x297.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"gb-headline gb-headline-402e1e94 gb-headline-text\">Avantages du robinet \u00e0 soupape \u00e0 joint \u00e0 soufflet<\/h2>\n\n\n\n<ol class=\"wp-block-list\"><li>Conception \u00e0 double joint (soufflet + garniture) En cas de d\u00e9faillance du soufflet, la garniture de tige sera \u00e9galement \u00e9vit\u00e9e.<\/li><li>Structure raisonnable, \u00e9tanch\u00e9it\u00e9 fiable, excellentes performances, belle apparence.<\/li><li>Aucune perte de fluide, r\u00e9duit les pertes d&#039;\u00e9nergie, am\u00e9liore la s\u00e9curit\u00e9 des \u00e9quipements de l&#039;usine.<\/li><li>La surface d&#039;\u00e9tanch\u00e9it\u00e9 recouvrant l&#039;alliage dur \u00e0 base de Co, la r\u00e9sistance \u00e0 l&#039;usure, la r\u00e9sistance \u00e0 la corrosion, la r\u00e9sistance au frottement, la longue dur\u00e9e de vie, r\u00e9duisent le nombre d&#039;entretien, r\u00e9duisent les co\u00fbts d&#039;exploitation.<\/li><li>La conception robuste du joint \u00e0 soufflet garantit z\u00e9ro fuite de tige et aucun entretien.<\/li><li>Le conditionnement de la tige de vanne d&#039;arr\u00eat et le traitement de nitruration de surface ont une bonne r\u00e9sistance \u00e0 la corrosion et au frottement\u00a0;<\/li><li>Indication plus intuitive de la position de levage de la tige de valve.<\/li><\/ol>\n\n\n\n<h2 class=\"gb-headline gb-headline-51b1b350 gb-headline-text\">Applications du robinet \u00e0 soupape \u00e0 soufflet<\/h2>\n\n\n\n<p><span style=\"font-family: arial, helvetica, sans-serif; font-size: medium;\">Le robinet \u00e0 soupape \u00e0 soufflet convient aux industries p\u00e9troli\u00e8res, chimiques, pharmaceutiques, aux engrais chimiques, \u00e0 l&#039;\u00e9nergie \u00e9lectrique et \u00e0 d&#039;autres industries dans diverses conditions de travail du pipeline, utilis\u00e9 pour couper ou faire passer le milieu du pipeline.<\/span><\/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\/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\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/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\/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\/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\/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\/the-difference-between-globe-valve-and-ball-valve.html\/\">Robinet \u00e0 soupape et robinet \u00e0 bille<\/a>\n\n<\/div>\n\n\n\n<p>Dix articles avant et apr\u00e8s<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-comparison-of-pneumatic-control-valve-and-hydraulic-valve-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 Comparaison d&#039;une vanne de commande pneumatique et d&#039;une vanne hydraulique | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-cryogenic-valves-for-lng-applications-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 Vannes cryog\u00e9niques pour applications GNL | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-welcome-to-the-new-website-of-zeco-valve-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 Bienvenue sur le nouveau site Internet de Zeco VALVE | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-types-and-selection-of-pneumatic-valve-accessories-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 Types et s\u00e9lection d&#039;accessoires pour vannes pneumatiques | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-top-ten-chinese-valve-manufacturers-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 Les dix principaux fabricants chinois de vannes | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-forged-steel-valves-and-cast-steel-valves-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 vannes en acier forg\u00e9 et vannes en acier moul\u00e9 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-top-10-china-ball-valve-manufacturer-list-in-2020-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 Liste des 10 meilleurs fabricants de robinets \u00e0 tournant sph\u00e9rique en Chine en 2020 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-china-gate-valve-product-market-analysis-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 Analyse du march\u00e9 des produits de vannes \u00e0 vanne en Chine | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-wafer-check-valve-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 clapet anti-retour | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/news-fully-lined-polyurethane-knife-gate-valve-abrasive-resistant-professional-valve-manufacturer.html\/\">Actualit\u00e9s \u2013 Vanne \u00e0 guillotine enti\u00e8rement doubl\u00e9e en polyur\u00e9thane r\u00e9sistante \u00e0 l&#039;abrasion | Fabricant de vannes professionnel<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Qu&#039;est-ce qu&#039;une vanne \u00e0 soufflet ? Une vanne \u00e0 soufflet est une vanne sp\u00e9cialement con\u00e7ue pour \u00eatre utilis\u00e9e dans les industries confront\u00e9es \u00e0 des substances dangereuses\u2026 <a title=\"Vanne \u00e0 soufflet \u2013 Vanne \u00e0 soupape \u00e0 joint \u00e0 soufflet\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/news-why-choose-bellows-seal-globe-valve-professional-valve-manufacturer.html\" aria-label=\"Plus sur Bellows Valve \u2013 Bellow Seal Globe Valve\">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":[1],"tags":[2683,2689,2688,2686,2685,3110,2684,2682,2687],"class_list":["post-8765","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-bellow-seal-globe-valve","tag-bellow-seal-globe-valve-factory","tag-bellow-sealed-ball-valve-manufacturer","tag-bellow-sealed-globe-valve-manufacturer","tag-bellow-sealed-globe-valve-supplier","tag-bellows-seal-gate-valve","tag-bellows-seal-globe-valve","tag-bellows-valve","tag-china-bellows-seal-globe-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":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":2683,"name":"Bellow Seal Globe Valve","slug":"bellow-seal-globe-valve","term_group":0,"term_taxonomy_id":2683,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":2689,"name":"bellow seal globe valve factory","slug":"bellow-seal-globe-valve-factory","term_group":0,"term_taxonomy_id":2689,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":2688,"name":"bellow sealed ball valve manufacturer","slug":"bellow-sealed-ball-valve-manufacturer","term_group":0,"term_taxonomy_id":2688,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2686,"name":"bellow-sealed globe valve manufacturer","slug":"bellow-sealed-globe-valve-manufacturer","term_group":0,"term_taxonomy_id":2686,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2685,"name":"bellow-sealed globe valve supplier","slug":"bellow-sealed-globe-valve-supplier","term_group":0,"term_taxonomy_id":2685,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3110,"name":"Bellows Seal Gate Valve","slug":"bellows-seal-gate-valve","term_group":0,"term_taxonomy_id":3110,"taxonomy":"post_tag","description":"<!-- wp:paragraph -->\r\n\r\nIn particular chemical processes, the fluids in the pipes are often toxic, radioactive, and hazardous. Bellow sealed valves are used to prevent leakage of any toxic chemical into the atmosphere. The bellow can be supplied in different materials like 316Ti, 321, C276, or Alloy 625. Body material can be selected from all available materials.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nLeakage at various points in pipelines found in chemical plants creates emissions. All such leakage points can be detected using various methods and instruments and should be noted by the plant engineer. Critical leakage points include flanged gasket joints and the Valve\/pump gland packing, etc. Today the chemical process industry is gearing itself towards safer technology for better environmental protection and it has become every process engineer's responsibility to design plants that limit damage to the environment through the prevention of leakage of any toxic chemicals.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_60ba43-05\"} \/-->\r\n\r\n<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET BELLOW SEAL GATE VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-bellow-seal-gate-valve\">What is Bellow Seal Gate Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA Bellow Seal Gate Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Bellow Construction of Bellow Sealed Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe bellow cartridge is welded to both the Valve Bonnet and the Valve stem. The bellow cartridge has a number of convolutions and these convolutions become compressed or expanded depending upon the movement of the Valve stem. (Scientifically speaking the bellow gets compressed when the Valve is in the open position and expanded when the Valve is in the closed condition). It is important to properly install the Valve bodies. The bellow can be sealed to the Valves in two different ways. Firstly, the bellow can be welded to the Valve stem at the top and the Valve body at the bottom. In this case, the process fluid is contained inside the bellow, or in the second method the bellow is welded to the Valve stem at the bottom and the body on the top. In this case, the process fluid is contained in the annular region between the Valve Bonnet and bellow (from the outside).\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe bellow is a critical component and forms the heart of the bellow seal Valves. To avoid any twisting of the bellow the Valve must have a stem with linear movement only. This can be achieved using a so-called sleeve nut at the Yoke portion of the Valve Bonnet. A handwheel is fitted onto the sleeve-nut which effectively transfers a rotary motion of the handwheel into a linear motion in the Valve stem.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Bellow types of Bellow Seal Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThere are two main types of bellow.. the Forged Bellow and the Welded Bellow. Formed-type bellows are made by rolling a flat sheet (thin wall foil) into a tube which is then longitudinally fusion welded. This tube is subsequently mechanically or hydrostatically formed into a bellow with rounded and widely spaced folds. The welded leaf type bellow is made by welding washer-like plates of thin metal together at both the inner and outer circumference of the washers - like plates. A welded leaf bellow has more folds per unit length as compared to forged bellows. Thus, for the same stroke length, forged bellows are two to three times longer than their welded leaf counterparts.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nReportedly, mechanically forged bellows fail at random spots, while the welded leaf usually fails at or near a weld. To ensure full penetration of bellow ends and end coller welding it is advisable to fabricate using micro plasma welding.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Bellow Design of Bellows Seal Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe multi-ply bellow design is preferred for handling higher-pressure fluids (generally two or three plies of the metal wall). A two-ply bellow can increase its pressure rating by 80% to 100% as compared to a single ply bellow of the same thickness. Alternatively, if a single ply bellow of a thickness equivalent to a pressure rating of a two-ply bellow is used, the stroke length is reduced. Thus, a multi-ply bellow design offers a distinct advantage over a single ply bellow. It is clear that the bellow is subject to metal fatigue and this fatigue can induce weld failure. The bellow fatigue life is affected by the material of construction, fabrication technique, stroke length, and stroke frequency, in addition to the usual parameters such as fluid temperature and pressure.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Specification of Bellow Seal Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Design standard: ASME B16.34<\/li>\r\n \t<li>Face to face dimension: ASME B16.10<\/li>\r\n \t<li>Flanged ends: ASME B16.5<\/li>\r\n \t<li>Test &amp; inspection: API 598<\/li>\r\n \t<li>Nominal Size: NPS 1\/2\uff5e16<\/li>\r\n \t<li>Pressure Rating: CL.150\uff5eCL.1500<\/li>\r\n \t<li>End Connection: RF\/RTJ\/BW\/SW<\/li>\r\n \t<li>Body Material: Casting &amp; Forging(Carbon Steel, SS, Duplex, Hastelloy)<\/li>\r\n \t<li>Trim Material: As per standard or order requirement<\/li>\r\n \t<li>Bellow Material\uff1a304\/304L\/316\/316L\/Inconel600\/625\/718<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Features of Bellows Seal Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Long cycle life bellows (3000 cycles): Designed and qualification tested for high pressure\/temperature service.<\/li>\r\n \t<li>Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n \t<li>Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n \t<li>Superior seating faces: Seats CoCr alloy hardfaced and the wedge is solid CoCr alloy.<\/li>\r\n \t<li>Each valve is tested per API 598.<\/li>\r\n \t<li>Every bellow assembly is helium leak-tested to assure zero leakage.<\/li>\r\n \t<li>Non-rotating stems prevent torsion of bellow.<\/li>\r\n \t<li>Secondary stem seals include:<\/li>\r\n \t<li>Stem backseat<\/li>\r\n \t<li>API 624 stem packing<\/li>\r\n \t<li>Lubricant fittings to ensure proper lubrication of stem bushing for efficient opening and closing.<\/li>\r\n \t<li>Multiple bellows materials are available: 316Ti, Hastelloy, Inconel, Monel, etc.<\/li>\r\n \t<li>All bellows are hydroformed with a minimum of two layers.<\/li>\r\n \t<li>Available in pressure classes 150-1500 (All body materials available)<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Applications of Bellow Sealed Gate Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe hot oil system, steam system, hot and cold water system, etc.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":5,"filter":"raw"},{"term_id":2684,"name":"Bellows Seal Globe Valve","slug":"bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2684,"taxonomy":"post_tag","description":"","parent":0,"count":4,"filter":"raw"},{"term_id":2682,"name":"Bellows Valve","slug":"bellows-valve","term_group":0,"term_taxonomy_id":2682,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2687,"name":"China Bellows Seal Globe Valve","slug":"china-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2687,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_3a9674-b3\"} \/-->\r\n\r\n<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET BELLOW SEAL GLOBE VALVE PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-bellow-seal-globe-valve\">What is Bellow Seal Globe Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA Bellows Valve is a specially designed valve suitable for use in industries dealing with a hazardous medium where even minute leakages can be extremely critical. With the exponential growth of new industries such as the chemical and nuclear industries, there is a growing abundance of flammable, hazardous, extremely poisonous, and toxic media flowing through the pipelines. This creates a high risk of leakage, explosion, and health hazards. So, the valves used in such pipes and systems have specific stringent leakage and sealing requirements.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe need for a completely different approach required for the desired sealing &amp; redundancy has led to the development of Bellow seal globe Valves.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Features of Bellow Seal Globe Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Long cycle life bellows (10,000 cycles): Designed and qualification tested for high pressure\/temperature applications.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Superior seating faces: Seats hard faced with CoCr alloy, and the disc is solid CoCr alloy.<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Technical Specifications of Bellow Seal Globe Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:table {\"className\":\"is-style-stripes\"} -->\r\n<figure class=\"wp-block-table is-style-stripes\">\r\n<table>\r\n<tbody>\r\n<tr>\r\n<td>TYPE OF DISC<\/td>\r\n<td>Plug\r\nNeedle\r\nSwivel\r\nRegulating Disc<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>CONSTRUCTION<\/td>\r\n<td>Bolted\r\nWelded\r\nExtended\r\nPressure Seal Bonnet<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>PATTERN<\/td>\r\n<td>Straight\r\nAngle\r\nY-type<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>END CONNECTIONS<\/td>\r\n<td>Flanged\r\nBW\r\nSW\r\nTHR<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>OPTIONS<\/td>\r\n<td>Extended Bonnet\r\nBellow Sealed\r\nHeating Jacket\r\nScrew-Down\/Non-Return<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>OPERATED<\/td>\r\n<td>Handwheel\r\nActuator Operated\r\nBare Stem<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>BELLOW SEAL MATERIALS<\/td>\r\n<td>304\r\n321\r\n316Ti\r\nAlloy 625\r\nC276<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>DESIGN &amp; TESTING<\/td>\r\n<td>All available international standards according to API, EN, ISO\r\nFire safe design<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>SIZE &amp; BORE<\/td>\r\n<td>ANSI 1\/4 \u2013 16\u201d\r\nDN 6 \u2013 DN 400<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>PRESSURE RANGE<\/td>\r\n<td>ANSI 125 \u2013 4,500 lbs.\r\nDIN PN 10 \u2013 PN 400<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/figure>\r\n<!-- \/wp:table -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Applications of Bellows Seal Globe Valve<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nBellow sealed globe valves can be deployed for a wide variety of applications in the oil &amp; gas and petrochemical industries when high quality, reliable valves are required. A few example applications include:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>High-temperature services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>High-cycle and switching services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Emergency shutdown valves<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>High-integrity pressure protection system<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>High-pressure oxygen, nitrogen, or hydrogen<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Solids handling (powders, fines, dust, and catalysts)<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Polyethylene or polypropylene<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Coal conversion, and gasification<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Thermal fluids<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Separator, filter, and drying systems<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Compressor stations<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>On\/off isolation service<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- wp:list-item -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul>\r\n \t<li>Oil &amp; gas manifolds<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list -->","parent":0,"count":5,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2683,"label":"Bellow Seal Globe Valve"},{"value":2689,"label":"bellow seal globe valve factory"},{"value":2688,"label":"bellow sealed ball valve manufacturer"},{"value":2686,"label":"bellow-sealed globe valve manufacturer"},{"value":2685,"label":"bellow-sealed globe valve supplier"},{"value":3110,"label":"Bellows Seal Gate Valve"},{"value":2684,"label":"Bellows Seal Globe Valve"},{"value":2682,"label":"Bellows Valve"},{"value":2687,"label":"China Bellows Seal Globe Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bellows Valve - Bellow Seal Globe Valve | ZECO Valve<\/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\/news-why-choose-bellows-seal-globe-valve-professional-valve-manufacturer.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bellows Valve - Bellow Seal Globe Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is a Bellows Valve? 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