![\"\"](\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-1024x507.jpg\")
<\/figure>\n<\/div>\n\n\nComment fonctionnent les vannes \u00e0 soufflet\u00a0?<\/h2>\n\n\n\n
Ces vannes sont dot\u00e9es d'un soufflet en forme d'accord\u00e9on, c'est-\u00e0-dire le composant de la cartouche \u00e0 soufflet, soud\u00e9 \u00e0 la tige et au chapeau de la vanne. Pendant la course de la vanne, le soufflet se comprime ou se dilate en m\u00eame temps que le mouvement lin\u00e9aire de la tige coulissante avec peu ou pas de friction.<\/p>\n\n\n\n
Types de soufflets<\/h2>\n\n\n\n- Soufflet form\u00e9<\/strong>: La conception standard de Conval, le soufflet form\u00e9, commence par une feuille plate (feuille \u00e0 paroi mince) roul\u00e9e dans un tube et soud\u00e9e par fusion longitudinalement formant une seule couche. De fines couches m\u00e9talliques sont combin\u00e9es pour former un soufflet multicouche. La force m\u00e9canique ou hydrostatique forme le soufflet avec des plis arrondis tr\u00e8s espac\u00e9s. Conval a fourni des soufflets comportant jusqu'\u00e0 6 plis pour les applications \u00e0 haute pression.<\/li>
- Soufflet soud\u00e9<\/strong>: Les soufflets soud\u00e9s sont fabriqu\u00e9s en soudant des plaques de m\u00e9tal mince en forme de rondelle sur leurs circonf\u00e9rences int\u00e9rieure et ext\u00e9rieure.<\/li><\/ul>\n\n\n\n
Types de vannes \u00e0 soufflet<\/h2>\n\n\n\n
Inclure\u00a0:\u00a0vannes \u00e0 joint \u00e0 soufflet ANSI, vannes \u00e0 joint \u00e0 soufflet DIN et autres vannes \u00e0 joint \u00e0 soufflet standard, vanne \u00e0 guillotine \u00e0 joint \u00e0 soufflet, joint \u00e0 soufflet Robinet \u00e0 soupape<\/strong><\/em><\/p>\n\n\n\nVanne \u00e0 guillotine \u00e0 joint \u00e0 soufflet<\/h3>\n\n\n\n
Robinet-vanne avec joint \u00e0 soufflet selon. La norme ANSI s'applique \u00e0 la d\u00e9coupe et au raccordement des canalisations de fluide. Vanne d'arr\u00eat avec joint \u00e0 soufflet selon. La norme ANSI s'applique \u00e0 la coupe, au changement et au r\u00e9glage du support. Le milieu utilis\u00e9 dans diverses industries telles que le p\u00e9trole, l'industrie chimique, la pharmacie, les engrais chimiques, l'industrie de l'\u00e9nergie \u00e9lectrique, etc. sous une pression nominale de CLASS150-900LBS et une temp\u00e9rature de fonctionnement de -29 ~ 350 \u2103.
Un bouchon parabolique pour l'interrupteur et le r\u00e9glage du fluide est disponible.<\/p>\n\n\n\n
Caract\u00e9ristiques du produit du robinet-vanne \u00e0 joint \u00e0 soufflet<\/h4>\n\n\n\n- Ce produit a une structure logique, un joint fiable, d'excellentes performances et un design agr\u00e9able.<\/li>
- La tige de la vanne \u00e0 soufflet est tremp\u00e9e et revenue, et sa surface est trait\u00e9e par traitement \u00e0 l'azote, elle pr\u00e9sente donc une bonne r\u00e9sistance \u00e0 la corrosion et au frottement.<\/li>
- La surface du joint est soud\u00e9e avec un alliage dur Co, qui est r\u00e9sistant \u00e0 l'usure, \u00e0 la corrosion, a une bonne r\u00e9sistance au frottement et une longue dur\u00e9e de vie.<\/li>
- La tige peut indiquer la position de l'\u00e9l\u00e9vateur, elle est donc plus claire.<\/li>
- La vanne \u00e0 soufflet a une double capacit\u00e9 d'\u00e9tanch\u00e9it\u00e9, elle est donc plus fiable.<\/li>
- Le mat\u00e9riau de la pi\u00e8ce, la bride et la dimension de l'extr\u00e9mit\u00e9 de la soudure bout \u00e0 bout peuvent \u00eatre s\u00e9lectionn\u00e9s en fonction des conditions de fonctionnement actuelles et des exigences d'utilisation, afin de r\u00e9pondre aux exigences de diverses techniques.<\/li>
- Formation structurelle\u00a0: BB-BG-OS\ufe60Y<\/li>
- Mode de conduite\u00a0:\u00a0\u00e0 commande manuelle, \u00e0 commande \u00e9lectrique<\/li><\/ol>\n\n\n\n
Norme applicable aux vannes \u00e0 guillotine \u00e0 soufflet<\/h4>\n\n\n\n- Conception\u00a0: API 600, API 6D<\/li>
- Face \u00e0 face\u00a0: ASME B16.10<\/li>
- Extr\u00e9mit\u00e9s de bride\u00a0: ASME B16.5<\/li>
- Test\ufe60inspection\u00a0: API 598, API 6D<\/li><\/ul>\n\n\n\n
Vanne \u00e0 soupape \u00e0 joint \u00e0 soufflet<\/a><\/mark><\/strong><\/h3>\n\n\n\nUne 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'int\u00e9rieur et l'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'\u00e9roder la tige.<\/p>\n\n\n\n
Caract\u00e9ristiques du robinet \u00e0 soupape \u00e0 soufflet<\/h4>\n\n\n\n- L'avantage le plus important de toute vanne \u00e0 soufflet est la conception \u00e0 double joint (soufflet + garniture). Ainsi, m\u00eame en cas de d\u00e9faillance du soufflet, la garniture de tige emp\u00eachera tout type de fuite afin de r\u00e9pondre aux normes internationales d'\u00e9tanch\u00e9it\u00e9.<\/li>
- Il minimise toute perte de fluide fluide et garantit la s\u00e9curit\u00e9 et la protection de l'environnement. Cela am\u00e9liorera \u00e0 terme la s\u00e9curit\u00e9 de l\u2019usine o\u00f9 la vanne \u00e0 soufflet a \u00e9t\u00e9 install\u00e9e.<\/li>
- Il peut agir comme un \u00e9conomiseur d\u2019\u00e9nergie car il contribue \u00e0 minimiser les pertes d\u2019\u00e9nergie dues aux fuites.<\/li>
- Puisque les fuites sont minimis\u00e9es, cela \u00e9vite un entretien fr\u00e9quent de la vanne. Cela conduit donc \u00e0 une dur\u00e9e de vie plus longue de la vanne.<\/li>
- Gr\u00e2ce \u00e0 une dur\u00e9e de vie plus longue, les co\u00fbts d'exploitation et de maintenance sont consid\u00e9rablement r\u00e9duits.<\/li>
- La conception robuste du joint \u00e0 soufflet garantit une fuite nulle de la tige de vanne, offrant ainsi des conditions sans entretien.<\/li>
- La s\u00e9curit\u00e9 du personnel travaillant est am\u00e9lior\u00e9e gr\u00e2ce \u00e0 l'installation d'une vanne \u00e0 soufflet, car les \u00e9missions de produits chimiques inflammables, toxiques et dangereux peuvent \u00eatre minimis\u00e9es.<\/li><\/ol>\n\n\n\n
Caract\u00e9ristiques des vannes \u00e0 soufflet<\/h2>\n\n\n\n- Chaque vanne est test\u00e9e selon API 598.<\/li>
- Chaque ensemble de soufflet est test\u00e9 \u00e0 l'h\u00e9lium pour garantir l'absence de fuite.<\/li>
- Les tiges non rotatives emp\u00eachent la torsion en dessous.<\/li>
- Les joints de tige secondaires comprennent\u00a0:
- Banquette arri\u00e8re<\/li>
- Garniture de tige API 624<\/li><\/ul><\/li>
- Raccords lubrifiants pour assurer une lubrification appropri\u00e9e de la bague de tige pour une ouverture et une fermeture efficaces.<\/li>
- Plusieurs mat\u00e9riaux de soufflet sont disponibles : 316Ti, Hastelloy, Inconel, Monel, etc.<\/li>
- Tous les soufflets sont hydroform\u00e9s avec un minimum de deux couches.<\/li>
- Disponible dans les classes de pression 150-1500 (tous les mat\u00e9riaux de corps disponibles)<\/li><\/ul>\n\n\n\n
Vanne \u00e0 joint \u00e0 soufflet vs vannes \u00e0 garniture<\/h2>\n\n\n\n
Les vannes \u00e0 garniture n\u00e9cessitent deux limites d'\u00e9tanch\u00e9it\u00e9 : un joint \u00e0 360\u00b0 sur la surface de la tige et un joint \u00e0 360\u00b0 sur la paroi du presse-\u00e9toupe. La vanne \u00e0 soufflet Conval supprime ces deux chemins de fuite. Les vannes \u00e0 soufflet Conval sont utilis\u00e9es lorsque les vannes emball\u00e9es ne peuvent pas contenir de mani\u00e8re fiable des gaz l\u00e9gers ou des fluides de syst\u00e8me dangereux. Dans toutes les applications, le joint de tige \u00e0 soufflet soud\u00e9 en Inconel \u00e0 6 plis est plus fiable que les joints de tige coulissants.<\/p>\n\n\n\n
Applications des vannes \u00e0 soufflet<\/h2>\n\n\n\n
Ces composants critiques constituent un \u00e9l\u00e9ment essentiel du fonctionnement s\u00fbr des syst\u00e8mes fluidiques dans un large \u00e9ventail d\u2019industries, notamment les suivantes\u00a0:<\/p>\n\n\n\n
- A\u00e9rospatial<\/li>
- Biotechnologie<\/li>
- Traitement chimique<\/li>
- \u00c9nergie fossile<\/li>
- Pouvoir nucl\u00e9aire<\/li>
- P\u00e9trole<\/li>
- Pharmaceutique<\/li>
- Fabrication de semi-conducteurs<\/li>
- Vide et ultra-vide<\/li><\/ul>\n\n\n\n\n
Balises associ\u00e9es :<\/h2>\n\n\n\n\n\nSoupape ZECO<\/a>\n\n<\/div>\n\n\n\n\nFabricant de robinets \u00e0 soupape \u2013 Diff\u00e9rents types de robinets \u00e0 soupape<\/a>\n\n<\/div>\n\n\n\n\nFabricant de robinets-vannes \u2013 Diff\u00e9rents types de robinets-vannes<\/a>\n\n<\/div>\n\n\n\n\nRobinet \u00e0 soupape et robinet \u00e0 bille<\/a>\n\n<\/div>\n\n\n\n\nQu'est-ce qu'un robinet-vanne ?<\/a>\n\n<\/div>\n\n\n\n\nDiff\u00e9rence entre la vanne \u00e0 vanne et la vanne papillon<\/a>\n\n<\/div>\n\n\n\n\nVanne et robinet \u00e0 boisseau sph\u00e9rique<\/a>\n\n<\/div>\n\n\n\n\nQu'est-ce qu'un robinet \u00e0 soupape ?<\/a>\n\n<\/div>\n\n\n\nDix articles avant et apr\u00e8s<\/p>\n\n\n\n
Vanne \u00e0 vanne \u00e0 cale ZECO<\/a><\/p>\n\n\n\nRobinet \u00e0 soupape en acier forg\u00e9<\/a><\/p>\n\n\n\n\u0644\u0648\u062d\u0629 \u0645\u0632\u062f\u0648\u062c\u0629 \u0623\u0648 \u062a\u062d\u0642\u0642 \u0633\u0648\u064a\u0646\u063a \u0641\u062d\u0635 \u0635\u0645\u0627\u0645 \u0641\u0631\u0627\u0634\u0629 \u0646\u0648\u0639<\/a><\/p>\n\n\n\nV\u00e1lvula de esfera flotante-robinet \u00e0 bille flottant<\/a><\/p>\n\n\n\n\u0627\u0644\u0635\u0641\u062d\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/p>\n\n\n\nDistributeurs\/grossistes et repr\u00e9sentants commerciaux recherch\u00e9s<\/a><\/p>\n\n\n\nIndustrie des vannes en Chine<\/a><\/p>\n\n\n\nRobinet \u00e0 tournant sph\u00e9rique flottant de type 100X \u2013 Installation et maintenance du produit<\/a><\/p>\n\n\n\n\u00c0 propos du robinet-vanne<\/a><\/p>\n\n\n\nNorme de vanne DIN (EN\/ISO)-partie 2<\/a><\/p>","protected":false},"excerpt":{"rendered":"ZECO Valve fabrique des vannes \u00e0 soupape \u00e0 soufflet de haute qualit\u00e9. Notre entreprise garantit la qualit\u00e9 et la parfaite \u00e9tanch\u00e9it\u00e9 de nos vannes selon\u2026 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":[3108,2683,3556,3110,2684,2687,3557],"class_list":["post-1050","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-bellow-seal-gate-valve","tag-bellow-seal-globe-valve","tag-bellow-seal-valve","tag-bellows-seal-gate-valve","tag-bellows-seal-globe-valve","tag-china-bellows-seal-globe-valve","tag-steam-bellows-seal-globe-valve","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":3108,"name":"bellow seal gate valve","slug":"bellow-seal-gate-valve","term_group":0,"term_taxonomy_id":3108,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"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":3556,"name":"bellow seal valve","slug":"bellow-seal-valve","term_group":0,"term_taxonomy_id":3556,"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":"\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\r\n\r\n\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\r\n\r\n\r\n\r\n\r\n\r\nGET BELLOW SEAL GATE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nWhat is Bellow Seal Gate Valve?<\/h2>\r\n\r\n\r\n\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\r\n\r\n\r\nBellow Construction of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\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\r\n\r\n\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\r\n\r\n\r\nBellow types of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\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\r\n\r\n\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\r\n\r\n\r\nBellow Design of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\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\r\n\r\n\r\nSpecification of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- Design standard: ASME B16.34<\/li>\r\n \t
- Face to face dimension: ASME B16.10<\/li>\r\n \t
- Flanged ends: ASME B16.5<\/li>\r\n \t
- Test & inspection: API 598<\/li>\r\n \t
- Nominal Size: NPS 1\/2\uff5e16<\/li>\r\n \t
- Pressure Rating: CL.150\uff5eCL.1500<\/li>\r\n \t
- End Connection: RF\/RTJ\/BW\/SW<\/li>\r\n \t
- Body Material: Casting & Forging(Carbon Steel, SS, Duplex, Hastelloy)<\/li>\r\n \t
- Trim Material: As per standard or order requirement<\/li>\r\n \t
- Bellow Material\uff1a304\/304L\/316\/316L\/Inconel600\/625\/718<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Features of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- Long cycle life bellows (3000 cycles): Designed and qualification tested for high pressure\/temperature service.<\/li>\r\n \t
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.<\/li>\r\n \t
- Two secondary stem seals: a) Backseat in an open position; b) Graphite packing.<\/li>\r\n \t
- Superior seating faces: Seats CoCr alloy hardfaced and the wedge is solid CoCr alloy.<\/li>\r\n \t
- Each valve is tested per API 598.<\/li>\r\n \t
- Every bellow assembly is helium leak-tested to assure zero leakage.<\/li>\r\n \t
- Non-rotating stems prevent torsion of bellow.<\/li>\r\n \t
- Secondary stem seals include:<\/li>\r\n \t
- Stem backseat<\/li>\r\n \t
- API 624 stem packing<\/li>\r\n \t
- Lubricant fittings to ensure proper lubrication of stem bushing for efficient opening and closing.<\/li>\r\n \t
- Multiple bellows materials are available: 316Ti, Hastelloy, Inconel, Monel, etc.<\/li>\r\n \t
- All bellows are hydroformed with a minimum of two layers.<\/li>\r\n \t
- Available in pressure classes 150-1500 (All body materials available)<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Applications of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe hot oil system, steam system, hot and cold water system, etc.\r\n\r\n","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":2687,"name":"China Bellows Seal Globe Valve","slug":"china-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2687,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET BELLOW SEAL GLOBE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nWhat is Bellow Seal Globe Valve?<\/h2>\r\n\r\n\r\n\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\r\n\r\n\r\n\r\nThe need for a completely different approach required for the desired sealing & redundancy has led to the development of Bellow seal globe Valves.\r\n\r\n\r\n\r\n\r\nFeatures of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\n \t- \r\n
\r\n \t- 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\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- 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\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- 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\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- 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\r\n\r\n\r\n\r\n\r\n
Technical Specifications of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nTYPE OF DISC<\/td>\r\n Plug\r\nNeedle\r\nSwivel\r\nRegulating Disc<\/td>\r\n<\/tr>\r\n \r\nCONSTRUCTION<\/td>\r\n Bolted\r\nWelded\r\nExtended\r\nPressure Seal Bonnet<\/td>\r\n<\/tr>\r\n \r\nPATTERN<\/td>\r\n Straight\r\nAngle\r\nY-type<\/td>\r\n<\/tr>\r\n \r\nEND CONNECTIONS<\/td>\r\n Flanged\r\nBW\r\nSW\r\nTHR<\/td>\r\n<\/tr>\r\n \r\nOPTIONS<\/td>\r\n Extended Bonnet\r\nBellow Sealed\r\nHeating Jacket\r\nScrew-Down\/Non-Return<\/td>\r\n<\/tr>\r\n \r\nOPERATED<\/td>\r\n Handwheel\r\nActuator Operated\r\nBare Stem<\/td>\r\n<\/tr>\r\n \r\nBELLOW SEAL MATERIALS<\/td>\r\n 304\r\n321\r\n316Ti\r\nAlloy 625\r\nC276<\/td>\r\n<\/tr>\r\n \r\nDESIGN & TESTING<\/td>\r\n All available international standards according to API, EN, ISO\r\nFire safe design<\/td>\r\n<\/tr>\r\n \r\nSIZE & BORE<\/td>\r\n ANSI 1\/4 \u2013 16\u201d\r\nDN 6 \u2013 DN 400<\/td>\r\n<\/tr>\r\n \r\nPRESSURE RANGE<\/td>\r\n 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\r\n\r\n\r\nApplications of Bellows Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\nBellow sealed globe valves can be deployed for a wide variety of applications in the oil & gas and petrochemical industries when high quality, reliable valves are required. A few example applications include:\r\n\r\n\r\n\r\n\r\n\r\n \t- \r\n
\r\n \t- High-temperature services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-cycle and switching services<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Emergency shutdown valves<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-integrity pressure protection system<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- High-pressure oxygen, nitrogen, or hydrogen<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Solids handling (powders, fines, dust, and catalysts)<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Polyethylene or polypropylene<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Coal conversion, and gasification<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Thermal fluids<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Separator, filter, and drying systems<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Compressor stations<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- On\/off isolation service<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
\r\n \t- \r\n
\r\n \t- Oil & gas manifolds<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n\r\n\r\n","parent":0,"count":5,"filter":"raw"},{"term_id":3557,"name":"steam bellows seal globe valve","slug":"steam-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":3557,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3108,"label":"bellow seal gate valve"},{"value":2683,"label":"Bellow Seal Globe Valve"},{"value":3556,"label":"bellow seal valve"},{"value":3110,"label":"Bellows Seal Gate Valve"},{"value":2684,"label":"Bellows Seal Globe Valve"},{"value":2687,"label":"China Bellows Seal Globe Valve"},{"value":3557,"label":"steam bellows seal globe valve"}]},"yoast_head":"\n
Bellow Seal Valves - Bellows Seal Globe Valve | Bellow Seal Gate Valve | 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\/bellow-seal-valvesgateglobe-valve.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bellow Seal Valves - Bellows Seal Globe Valve | Bellow Seal Gate Valve | ZECO\" \/>\n<meta property=\"og:description\" content=\"ZECO Valve manufactures high-quality bellows sealed globe valves. Our company guarantees the quality and the perfect tightness of our valves according to ... Lire plus\" \/>\n<meta property=\"og:url\" content=\"https:\/\/zecovalve.com\/fr\/bellow-seal-valvesgateglobe-valve.html\" \/>\n<meta property=\"og:site_name\" content=\"ZECO Valve\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-27T10:10:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-11-05T09:31:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1269\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\">\n\t<meta name=\"twitter:data1\" content=\"Jerry\">\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\">\n\t<meta name=\"twitter:data2\" content=\"4 minutes\">\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebSite\",\"@id\":\"https:\/\/zecovalve.com\/#website\",\"url\":\"https:\/\/zecovalve.com\/\",\"name\":\"ZECO Valve\",\"description\":\"Industrial Ball Valve, Gate Valve and Globe Valve Manufacturer\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":\"https:\/\/zecovalve.com\/?s={search_term_string}\",\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"ImageObject\",\"@id\":\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html#primaryimage\",\"inLanguage\":\"fr-FR\",\"url\":\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/07\/DIN-Globe-Valve-1-scaled.jpg\",\"width\":2560,\"height\":1269},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html#webpage\",\"url\":\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html\",\"name\":\"Bellow Seal Valves - Bellows Seal Globe Valve | Bellow Seal Gate Valve | ZECO\",\"isPartOf\":{\"@id\":\"https:\/\/zecovalve.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html#primaryimage\"},\"datePublished\":\"2021-12-27T10:10:10+00:00\",\"dateModified\":\"2022-11-05T09:31:19+00:00\",\"author\":{\"@id\":\"https:\/\/zecovalve.com\/#\/schema\/person\/f65555145e0ef282ff87649309aba6a3\"},\"breadcrumb\":{\"@id\":\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/\",\"url\":\"https:\/\/zecovalve.com\/\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"position\":2,\"item\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html\",\"url\":\"https:\/\/zecovalve.com\/bellow-seal-valvesgateglobe-valve.html\",\"name\":\"Bellow Seal Valves – Bellows Seal Globe Valve | Bellow Seal Gate Valve\"}}]},{\"@type\":\"Person\",\"@id\":\"https:\/\/zecovalve.com\/#\/schema\/person\/f65555145e0ef282ff87649309aba6a3\",\"name\":\"Jerry\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","_links":{"self":[{"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/posts\/1050","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/comments?post=1050"}],"version-history":[{"count":0,"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/posts\/1050\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/media\/20798"}],"wp:attachment":[{"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/media?parent=1050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/categories?post=1050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zecovalve.com\/fr\/wp-json\/wp\/v2\/tags?post=1050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Types de vannes \u00e0 soufflet<\/h2>\n\n\n\n
Inclure\u00a0:\u00a0vannes \u00e0 joint \u00e0 soufflet ANSI, vannes \u00e0 joint \u00e0 soufflet DIN et autres vannes \u00e0 joint \u00e0 soufflet standard, vanne \u00e0 guillotine \u00e0 joint \u00e0 soufflet, joint \u00e0 soufflet Robinet \u00e0 soupape<\/strong><\/em><\/p>\n\n\n\n Robinet-vanne avec joint \u00e0 soufflet selon. La norme ANSI s'applique \u00e0 la d\u00e9coupe et au raccordement des canalisations de fluide. Vanne d'arr\u00eat avec joint \u00e0 soufflet selon. La norme ANSI s'applique \u00e0 la coupe, au changement et au r\u00e9glage du support. Le milieu utilis\u00e9 dans diverses industries telles que le p\u00e9trole, l'industrie chimique, la pharmacie, les engrais chimiques, l'industrie de l'\u00e9nergie \u00e9lectrique, etc. sous une pression nominale de CLASS150-900LBS et une temp\u00e9rature de fonctionnement de -29 ~ 350 \u2103. 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'int\u00e9rieur et l'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'\u00e9roder la tige.<\/p>\n\n\n\n Les vannes \u00e0 garniture n\u00e9cessitent deux limites d'\u00e9tanch\u00e9it\u00e9 : un joint \u00e0 360\u00b0 sur la surface de la tige et un joint \u00e0 360\u00b0 sur la paroi du presse-\u00e9toupe. La vanne \u00e0 soufflet Conval supprime ces deux chemins de fuite. Les vannes \u00e0 soufflet Conval sont utilis\u00e9es lorsque les vannes emball\u00e9es ne peuvent pas contenir de mani\u00e8re fiable des gaz l\u00e9gers ou des fluides de syst\u00e8me dangereux. Dans toutes les applications, le joint de tige \u00e0 soufflet soud\u00e9 en Inconel \u00e0 6 plis est plus fiable que les joints de tige coulissants.<\/p>\n\n\n\n Ces composants critiques constituent un \u00e9l\u00e9ment essentiel du fonctionnement s\u00fbr des syst\u00e8mes fluidiques dans un large \u00e9ventail d\u2019industries, notamment les suivantes\u00a0:<\/p>\n\n\n\n Dix articles avant et apr\u00e8s<\/p>\n\n\n\n Vanne \u00e0 vanne \u00e0 cale ZECO<\/a><\/p>\n\n\n\n Robinet \u00e0 soupape en acier forg\u00e9<\/a><\/p>\n\n\n\n \u0644\u0648\u062d\u0629 \u0645\u0632\u062f\u0648\u062c\u0629 \u0623\u0648 \u062a\u062d\u0642\u0642 \u0633\u0648\u064a\u0646\u063a \u0641\u062d\u0635 \u0635\u0645\u0627\u0645 \u0641\u0631\u0627\u0634\u0629 \u0646\u0648\u0639<\/a><\/p>\n\n\n\n V\u00e1lvula de esfera flotante-robinet \u00e0 bille flottant<\/a><\/p>\n\n\n\n \u0627\u0644\u0635\u0641\u062d\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/p>\n\n\n\n Distributeurs\/grossistes et repr\u00e9sentants commerciaux recherch\u00e9s<\/a><\/p>\n\n\n\n Industrie des vannes en Chine<\/a><\/p>\n\n\n\n Robinet \u00e0 tournant sph\u00e9rique flottant de type 100X \u2013 Installation et maintenance du produit<\/a><\/p>\n\n\n\n \u00c0 propos du robinet-vanne<\/a><\/p>\n\n\n\n Norme de vanne DIN (EN\/ISO)-partie 2<\/a><\/p>","protected":false},"excerpt":{"rendered":" ZECO Valve fabrique des vannes \u00e0 soupape \u00e0 soufflet de haute qualit\u00e9. Notre entreprise garantit la qualit\u00e9 et la parfaite \u00e9tanch\u00e9it\u00e9 de nos vannes selon\u2026 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":[3108,2683,3556,3110,2684,2687,3557],"class_list":["post-1050","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-bellow-seal-gate-valve","tag-bellow-seal-globe-valve","tag-bellow-seal-valve","tag-bellows-seal-gate-valve","tag-bellows-seal-globe-valve","tag-china-bellows-seal-globe-valve","tag-steam-bellows-seal-globe-valve","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":3108,"name":"bellow seal gate valve","slug":"bellow-seal-gate-valve","term_group":0,"term_taxonomy_id":3108,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"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":3556,"name":"bellow seal valve","slug":"bellow-seal-valve","term_group":0,"term_taxonomy_id":3556,"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":"\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\r\n\r\n\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\r\n\r\n\r\n\r\n\r\n\r\nGET BELLOW SEAL GATE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\nVanne \u00e0 guillotine \u00e0 joint \u00e0 soufflet<\/h3>\n\n\n\n
Un bouchon parabolique pour l'interrupteur et le r\u00e9glage du fluide est disponible.<\/p>\n\n\n\nCaract\u00e9ristiques du produit du robinet-vanne \u00e0 joint \u00e0 soufflet<\/h4>\n\n\n\n
Norme applicable aux vannes \u00e0 guillotine \u00e0 soufflet<\/h4>\n\n\n\n
Vanne \u00e0 soupape \u00e0 joint \u00e0 soufflet<\/a><\/mark><\/strong><\/h3>\n\n\n\n
Caract\u00e9ristiques du robinet \u00e0 soupape \u00e0 soufflet<\/h4>\n\n\n\n
Caract\u00e9ristiques des vannes \u00e0 soufflet<\/h2>\n\n\n\n
Vanne \u00e0 joint \u00e0 soufflet vs vannes \u00e0 garniture<\/h2>\n\n\n\n
Applications des vannes \u00e0 soufflet<\/h2>\n\n\n\n
Balises associ\u00e9es :<\/h2>\n\n\n\n\n
What is Bellow Seal Gate Valve?<\/h2>\r\n\r\n\r\n\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\r\n\r\n\r\n
Bellow Construction of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\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\r\n\r\n\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\r\n\r\n\r\n
Bellow types of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\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\r\n\r\n\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\r\n\r\n\r\n
Bellow Design of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\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\r\n\r\n\r\n
Specification of Bellow Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n
\r\n \t
Features of Bellows Seal Gate Valve<\/h2>\r\n\r\n\r\n\r\n
\r\n \t
Applications of Bellow Sealed Gate Valve<\/h2>\r\n\r\n\r\n\r\n\r\nThe hot oil system, steam system, hot and cold water system, etc.\r\n\r\n","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":2687,"name":"China Bellows Seal Globe Valve","slug":"china-bellows-seal-globe-valve","term_group":0,"term_taxonomy_id":2687,"taxonomy":"post_tag","description":"\r\n\r\n\r\n\r\nGET BELLOW SEAL GLOBE VALVE PRICE<\/strong><\/a>\r\n\r\n\r\n\r\n\r\n
What is Bellow Seal Globe Valve?<\/h2>\r\n\r\n\r\n\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\r\n\r\n\r\n\r\nThe need for a completely different approach required for the desired sealing & redundancy has led to the development of Bellow seal globe Valves.\r\n\r\n\r\n\r\n\r\n
Features of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
Technical Specifications of Bellow Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n
\r\n\r\n
\r\n TYPE OF DISC<\/td>\r\n Plug\r\nNeedle\r\nSwivel\r\nRegulating Disc<\/td>\r\n<\/tr>\r\n \r\n CONSTRUCTION<\/td>\r\n Bolted\r\nWelded\r\nExtended\r\nPressure Seal Bonnet<\/td>\r\n<\/tr>\r\n \r\n PATTERN<\/td>\r\n Straight\r\nAngle\r\nY-type<\/td>\r\n<\/tr>\r\n \r\n END CONNECTIONS<\/td>\r\n Flanged\r\nBW\r\nSW\r\nTHR<\/td>\r\n<\/tr>\r\n \r\n OPTIONS<\/td>\r\n Extended Bonnet\r\nBellow Sealed\r\nHeating Jacket\r\nScrew-Down\/Non-Return<\/td>\r\n<\/tr>\r\n \r\n OPERATED<\/td>\r\n Handwheel\r\nActuator Operated\r\nBare Stem<\/td>\r\n<\/tr>\r\n \r\n BELLOW SEAL MATERIALS<\/td>\r\n 304\r\n321\r\n316Ti\r\nAlloy 625\r\nC276<\/td>\r\n<\/tr>\r\n \r\n DESIGN & TESTING<\/td>\r\n All available international standards according to API, EN, ISO\r\nFire safe design<\/td>\r\n<\/tr>\r\n \r\n SIZE & BORE<\/td>\r\n ANSI 1\/4 \u2013 16\u201d\r\nDN 6 \u2013 DN 400<\/td>\r\n<\/tr>\r\n \r\n PRESSURE RANGE<\/td>\r\n 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\r\n\r\n\r\n Applications of Bellows Seal Globe Valve<\/h2>\r\n\r\n\r\n\r\n\r\nBellow sealed globe valves can be deployed for a wide variety of applications in the oil & gas and petrochemical industries when high quality, reliable valves are required. A few example applications include:\r\n\r\n\r\n\r\n\r\n
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t
\r\n \t