{"id":7605,"date":"2021-12-30T07:12:21","date_gmt":"2021-12-30T07:12:21","guid":{"rendered":"https:\/\/zecovalve.com\/advantages-of-bellows-seal-globe-valves-zeco-valve-industrial-valve-manufacturer.html"},"modified":"2022-11-05T09:31:09","modified_gmt":"2022-11-05T09:31:09","slug":"advantages-of-bellows-seal-globe-valves-zeco-valve-industrial-valve-manufacturer","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/advantages-of-bellows-seal-globe-valves-zeco-valve-industrial-valve-manufacturer.html","title":{"rendered":"Vannes \u00e0 soupape \u00e0 joint \u00e0 soufflet \u2013 Vanne \u00e0 soufflet"},"content":{"rendered":"<h2 class=\"wp-block-heading\">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 les industries chimiques et nucl\u00e9aires, 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\/DIN-Globe-Valve-1-1024x507.jpg\" alt=\"\" class=\"wp-image-20798\" width=\"512\" height=\"254\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg 1024w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-300x149.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-768x381.jpg 768w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1536x761.jpg 1536w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-2048x1015.jpg 2048w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-600x297.jpg 600w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">Conception des vannes \u00e0 soupape \u00e0 soufflet<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Structure OS&amp;Y<\/strong><ul><li>La structure comporte une tige non rotative et une poign\u00e9e anti-soul\u00e8vement afin que le soufflet ne soit pas tordu.<\/li><\/ul><\/li><li><strong>Garniture de presse-\u00e9toupe<\/strong><ul><li>Cela bloque les fuites externes en cas de rupture du soufflet. MV, acier forg\u00e9, acier moul\u00e9, SUS 20K : Garniture en graphite expans\u00e9 SUS 10K, 150lb : Garniture PTFE + PTFE renforc\u00e9e<\/li><\/ul><\/li><li><strong>Structure de capot boulonn\u00e9e<\/strong><ul><li>La structure du capot boulonn\u00e9 permet une maintenance et une gestion simples.<\/li><\/ul><ul><li>La structure serr\u00e9e par boulons assure une fixation fiable.<\/li><\/ul><\/li><li><strong>Joint sup\u00e9rieur<\/strong><ul><li>Un si\u00e8ge en graphite expans\u00e9 est utilis\u00e9 pour le joint sup\u00e9rieur.<\/li><li>Cela bloque les fuites externes en cas de rupture du soufflet.<\/li><\/ul><\/li><li><strong>Joint inf\u00e9rieur<\/strong><ul><li>Les fuites externes sont bloqu\u00e9es gr\u00e2ce \u00e0 l\u2019utilisation d\u2019un joint de haute qualit\u00e9. MV, acier forg\u00e9, acier moul\u00e9, SUS 20K : joint graphique expans\u00e9 SUS 10K, 150lb : joint PTFE renforc\u00e9<\/li><\/ul><\/li><li><strong>Soufflet<\/strong><ul><li>Soufflet multicouche hydraulique. Le SUS316L, qui pr\u00e9sente une excellente r\u00e9sistance \u00e0 la pression et \u00e0 la corrosion, est utilis\u00e9.<\/li><\/ul><\/li><li><strong>Surfaces d&#039;assise<\/strong><ul><li>Les deux surfaces d&#039;assise pr\u00e9sentent une excellente r\u00e9sistance au coincement et \u00e0 l&#039;abrasion. (En option pour les vannes SUS)<\/li><\/ul><\/li><li><strong>Corps de soupape<\/strong><ul><li>Prend en charge la fonte ductile (FCD-S), l&#039;acier inoxydable (SCS13A), (SCS14A), l&#039;acier moul\u00e9 (ASTM A216-WCB) et l&#039;acier forg\u00e9 (ASTM A105).<\/li><\/ul><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-advantages-of-bellows-seal-globe-valves\">Avantages des vannes \u00e0 soupape \u00e0 soufflet<\/h2>\n\n\n\n<p>La conception du robinet \u00e0 soupape \u00e0 soufflet est meilleure que celle du robinet \u00e0 soupape ordinaire. Alors, quels sont les avantages des robinets \u00e0 soupape \u00e0 soufflet par rapport aux robinets ordinaires ?<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Le robinet \u00e0 soupape \u00e0 soufflet ne pr\u00e9sente aucune fuite et est appliqu\u00e9 \u00e0 un fluide \u00e0 haut risque.<\/li><li>Le robinet \u00e0 soupape commun est scell\u00e9 avec une garniture, et un glissement se produira entre la tige de la vanne et la garniture afin que la vanne puisse facilement fuir \u00e0 basse temp\u00e9rature.<\/li><li>Les vannes \u00e0 soupape \u00e0 soufflet utilisent des soufflets ferm\u00e9s qui peuvent \u00eatre \u00e9tir\u00e9s et comprim\u00e9s pour remplacer les joints d&#039;\u00e9tanch\u00e9it\u00e9, emp\u00eachant ainsi les fuites caus\u00e9es par les pertes de garniture. G\u00e9n\u00e9ralement, ces vannes sont utilis\u00e9es pour la transmission de fluides \u00e0 forte perm\u00e9abilit\u00e9. Par exemple, il n&#039;y a g\u00e9n\u00e9ralement aucune fuite sur les vannes \u00e0 soupape \u00e0 soufflet du syst\u00e8me \u00e0 hydrog\u00e8ne, tant que les soufflets ne sont pas endommag\u00e9s. Cependant, le robinet \u00e0 soupape commun est scell\u00e9 avec une garniture, ce qui peut facilement provoquer des fuites.<\/li><li>Le robinet \u00e0 soupape \u00e0 soufflet peut couper le flux de fluide et la course d&#039;ouverture ou de fermeture de la tige de la vanne est relativement courte. \u00c9tant donn\u00e9 que la modification de l&#039;ouverture du si\u00e8ge est proportionnelle \u00e0 la course du disque, la vanne constitue un choix id\u00e9al pour la r\u00e9gulation du d\u00e9bit. Ce type de vanne est donc tr\u00e8s appropri\u00e9 pour r\u00e9guler ou couper le d\u00e9bit, ainsi que pour \u00e9trangler.<\/li><li>Doubles joints (soufflet+garniture). Si le soufflet tombe en panne, la garniture de la tige de vanne \u00e9vitera les fuites. Et l&#039;\u00e9tanch\u00e9it\u00e9 r\u00e9pond aux normes internationales.<\/li><li>Aucune perte de liquide et r\u00e9duction des pertes d&#039;\u00e9nergie.<\/li><li>Longue dur\u00e9e de vie, r\u00e9duisant la fr\u00e9quence de maintenance et les co\u00fbts d&#039;exploitation.<\/li><li>Le joint \u00e0 soufflet robuste garantit l&#039;absence de fuite de la tige de vanne et ne n\u00e9cessite aucun entretien.<\/li><li>Des mat\u00e9riaux de joint souple en PTFE sont utilis\u00e9s pour le si\u00e8ge de vanne pour les fluides gazeux afin d&#039;am\u00e9liorer l&#039;\u00e9tanch\u00e9it\u00e9 de la vanne.<\/li><li>Le si\u00e8ge de soupape r\u00e9sistant aux hautes temp\u00e9ratures (\u2264425\u2103) adopte une surface conique et une \u00e9tanch\u00e9it\u00e9 dure.<\/li><\/ol>\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\/categorie-de-produits\/globe-valve\/\">Fabricant de robinets \u00e0 soupape \u2013 Diff\u00e9rents types de robinets \u00e0 soupape<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/gate-valve\/\">Fabricant de robinets-vannes \u2013 Diff\u00e9rents types de robinets-vannes<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/ball-valve\/\">Fabricant de robinets \u00e0 tournant sph\u00e9rique \u2013 Diff\u00e9rents types de robinets \u00e0 tournant sph\u00e9rique<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/butterfly-valve\/\">Fabricant de vannes papillon \u2013 Diff\u00e9rents types de vannes papillon<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/balancing-valve\/\">Vanne d&#039;\u00e9quilibrage \u2013 Vanne CVC<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/check-valve\/\">Fabricant de clapets anti-retour \u2013 Diff\u00e9rents types de clapets anti-retour<\/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\/what-should-be-paid-attention-to-when-using-flat-gate-valve-%e6%8a%80%e6%9c%af%e7%9f%a5%e8%af%86-news-zeco-valve-group-co-ltd-professional-valve-manufacturer.html\/\">\u00c0 quoi faut-il faire attention lors de l\u2019utilisation d\u2019un robinet \u00e0 vanne plate\u00a0? \u2013 Actualit\u00e9s \u2013 Actualit\u00e9s \u2013 Zeco Valve Group Co., Ltd | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/characteristics-of-knife-gate-valve-%e6%8a%80%e6%9c%af%e7%9f%a5%e8%af%86-news-zeco-valve-group-co-ltd-professional-valve-manufacturer.html\/\">Caract\u00e9ristiques des vannes \u00e0 guillotine \u2013 Actualit\u00e9s \u2013 Actualit\u00e9s \u2013 Zeco Valve Group Co., Ltd | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/what-is-the-full-bore-and-the-reduced-bore-ball-valve-zeco-valve-industrial-valve-manufacturer.html\/\">Qu&#039;est-ce que le robinet \u00e0 tournant sph\u00e9rique \u00e0 passage int\u00e9gral et \u00e0 passage r\u00e9duit \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/knife-gate-valve-%e6%8a%80%e6%9c%af%e7%9f%a5%e8%af%86-news-zeco-valve-group-co-ltd-professional-valve-manufacturer.html\/\">Vanne \u00e0 guillotine \u2013 Actualit\u00e9s \u2013 Actualit\u00e9s \u2013 Zeco Valve Group Co., Ltd | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/commonly-used-knife-gate-valve-actuator-%e6%8a%80%e6%9c%af%e7%9f%a5%e8%af%86-news-zeco-valve-group-co-ltd-professional-valve-manufacturer.html\/\">Actionneur de vanne \u00e0 guillotine couramment utilis\u00e9 \u2013 Actualit\u00e9s \u2013 Actualit\u00e9s \u2013 Zeco Valve Group Co., Ltd | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/what-are-the-structural-features-of-the-ventilation-butterfly-valve-%e6%8a%80%e6%9c%af%e7%9f%a5%e8%af%86-news-zeco-valve-group-co-ltd-professional-valve-manufacturer.html\/\">Quelles sont les caract\u00e9ristiques structurelles de la vanne papillon de ventilation\u00a0? \u2013 Actualit\u00e9s \u2013 Actualit\u00e9s \u2013 Zeco Valve Group Co., Ltd | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/api-6d-super-big-size-ball-valves-zeco-valve-industrial-valve-manufacturer.html\/\">Vannes \u00e0 bille de tr\u00e8s grande taille API 6D \u2013 Zeco Valve | Fabricant de vannes industrielles<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/what-is-the-purpose-of-non-standard-valve-%e6%8a%80%e6%9c%af%e7%9f%a5%e8%af%86-news-zeco-valve-group-co-ltd-professional-valve-manufacturer.html\/\">Quel est le but de la vanne non standard \u2013 Actualit\u00e9s \u2013 Actualit\u00e9s \u2013 Zeco Valve Group Co., Ltd | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/description-of-stem-axis-and-seat-of-cast-steel-globe-valve-%e6%8a%80%e6%9c%af%e7%9f%a5%e8%af%86-news-zeco-valve-group-co-ltd-professional-valve-manufacturer.html\/\">Description de l&#039;axe de tige et du si\u00e8ge du robinet \u00e0 soupape en acier moul\u00e9 \u2013 Actualit\u00e9s \u2013 Actualit\u00e9s \u2013 Zeco Valve Group Co., Ltd | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/api-608-standard-ball-valves-zeco-valve-industrial-valve-manufacturer.html\/\">Vannes \u00e0 bille standard API 608 \u2013 Zeco Valve | Fabricant de vannes industrielles<\/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=\"Vannes \u00e0 soupape \u00e0 joint \u00e0 soufflet \u2013 Vanne \u00e0 soufflet\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/advantages-of-bellows-seal-globe-valves-zeco-valve-industrial-valve-manufacturer.html\" aria-label=\"Plus sur Bellows Seal Globe Valves \u2013 Bellow Valve\">Lire plus<\/a><\/p>","protected":false},"author":2,"featured_media":20798,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2689,3110,2684,3687,2687,3686],"class_list":["post-7605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-bellow-seal-globe-valve-factory","tag-bellows-seal-gate-valve","tag-bellows-seal-globe-valve","tag-bellows-seal-globe-valve-factory","tag-china-bellows-seal-globe-valve","tag-industrial-bellows","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg",1024,507,true],"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":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":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":3687,"name":"bellows seal globe valve factory","slug":"bellows-seal-globe-valve-factory","term_group":0,"term_taxonomy_id":3687,"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"},{"term_id":3686,"name":"industrial bellows","slug":"industrial-bellows","term_group":0,"term_taxonomy_id":3686,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2689,"label":"bellow seal globe valve factory"},{"value":3110,"label":"Bellows Seal Gate Valve"},{"value":2684,"label":"Bellows Seal Globe Valve"},{"value":3687,"label":"bellows seal globe valve factory"},{"value":2687,"label":"China Bellows Seal Globe Valve"},{"value":3686,"label":"industrial bellows"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Bellows Seal Globe Valves - Bellow 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\/advantages-of-bellows-seal-globe-valves-zeco-valve-industrial-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 Seal Globe Valves - Bellow Valve | ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"What is a Bellow Valve? A Bellows Valve is a specially designed valve suitable for use in industries dealing with a hazardous ... 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