{"id":9353,"date":"2021-12-30T08:10:39","date_gmt":"2021-12-30T08:10:39","guid":{"rendered":"https:\/\/zecovalve.com\/1-2-1500lb-forged-gate-valve-asme-b16-11-socket-weld-connection-gate-valvehigh-pressure-socket-weld-connection-gate-valve-china-manufacturer-titanium-ball-valves-supplier-chinacryogenic-globe.html"},"modified":"2022-11-05T09:30:50","modified_gmt":"2022-11-05T09:30:50","slug":"1-2-1500lb-forged-gate-valve-asme-b16-11-socket-weld-connection-gate-valvehigh-pressure-socket-weld-connection-gate-valve-china-manufacturer-titanium-ball-valves-supplier-chinacryogenic-globe","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/fr\/1-2-1500lb-forged-gate-valve-asme-b16-11-socket-weld-connection-gate-valvehigh-pressure-socket-weld-connection-gate-valve-china-manufacturer-titanium-ball-valves-supplier-chinacryogenic-globe.html","title":{"rendered":"Historique des valves | Fabricant de robinet-vanne \u00e0 joint \u00e0 soufflet"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-the-histroy-of-the-valve\">L&#039;histoire de la valve<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">Les vannes sont des dispositifs utilis\u00e9s pour contr\u00f4ler le d\u00e9bit, la pression et la direction du fluide. Le fluide \u00e0 contr\u00f4ler peut \u00eatre un liquide, un gaz, un m\u00e9lange gaz-liquide ou <\/span><span style=\"font-family: Arial;\">m\u00e9lange solide-liquide. La vanne est g\u00e9n\u00e9ralement compos\u00e9e d&#039;un corps de vanne, d&#039;un chapeau, d&#039;un si\u00e8ge de vanne, de pi\u00e8ces d&#039;ouverture et de fermeture, d&#039;un m\u00e9canisme d&#039;entra\u00eenement, de joints et <\/span><span style=\"font-family: Arial;\">attaches. La fonction de contr\u00f4le de la vanne est r\u00e9alis\u00e9e en entra\u00eenant le m\u00e9canisme ou le fluide pour entra\u00eener l&#039;\u00e9l\u00e9ment d&#039;ouverture et de fermeture \u00e0 monter. <\/span><span style=\"font-family: Arial;\">et vers le bas, faites glisser, balancez ou faites pivoter pour modifier la taille de la zone du canal d&#039;\u00e9coulement.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">La valve a un large \u00e9ventail d\u2019utilisations et est \u00e9troitement li\u00e9e \u00e0 la vie quotidienne des gens. Par exemple, les robinets pour conduites d&#039;eau et pression <\/span><span style=\"font-family: Arial;\">les r\u00e9ducteurs pour cuisini\u00e8res \u00e0 gaz de p\u00e9trole liqu\u00e9fi\u00e9 sont tous des vannes. Les vannes sont \u00e9galement des composants indispensables dans divers \u00e9quipements m\u00e9caniques <\/span><span style=\"font-family: Arial;\">tels que les moteurs \u00e0 combustion interne, les moteurs \u00e0 vapeur, les compresseurs, les pompes, les transmissions pneumatiques, les v\u00e9hicules \u00e0 transmission hydraulique, les navires et <\/span><span style=\"font-family: Arial;\">avion.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Il y a deux mille ans avant JC, les Chinois utilisaient des tuyaux en bambou et des robinets \u00e0 boisseau sur les conduites d&#039;eau, puis des \u00e9cluses sur leurs conduites d&#039;eau. <\/span><span style=\"font-family: Arial;\">canaux d&#039;irrigation, clapets anti-retour \u00e0 plaques sur les bo\u00eetes \u00e0 vent de fusion et bambou sur les puits d&#039;extraction de sel. Les clapets anti-retour pour canalisations et plaques extraient la saumure.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Avec le d\u00e9veloppement de la technologie de fusion et des machines hydrauliques, des vannes \u00e0 boisseau sph\u00e9rique en cuivre et en plomb sont apparues en Europe. Avec l&#039;utilisation de <\/span><span style=\"font-family: Arial;\">la chaudi\u00e8re, la soupape de s\u00e9curit\u00e9 \u00e0 marteau \u00e0 levier r\u00e9apparut en 1681. Avant l&#039;\u00e9mergence de la machine \u00e0 vapeur Watt en 1769, les robinets \u00e0 boisseau et <\/span><span style=\"font-family: Arial;\">les clapets anti-retour ont \u00e9t\u00e9 les vannes les plus importantes. L\u2019invention de la machine \u00e0 vapeur a introduit la soupape dans le domaine de l\u2019industrie m\u00e9canique. Dans <\/span><span style=\"font-family: Arial;\">En plus des vannes \u00e0 boisseau, des soupapes de s\u00e9curit\u00e9 et des clapets anti-retour, les machines \u00e0 vapeur Watt utilisent \u00e9galement des vannes papillon pour r\u00e9guler le d\u00e9bit. Avec l&#039;augmentation de <\/span><span style=\"font-family: Arial;\">d\u00e9bit et pression de vapeur, l&#039;utilisation de vannes \u00e0 boisseau pour contr\u00f4ler l&#039;entr\u00e9e et l&#039;\u00e9chappement de vapeur de la machine \u00e0 vapeur n&#039;a pas pu r\u00e9pondre aux besoins, <\/span><span style=\"font-family: Arial;\">donc le tiroir<br>apparu. <\/span><span style=\"font-family: Arial;\">Vers 1840, les robinets \u00e0 soupape \u00e0 tige filet\u00e9e et les robinets-vannes \u00e0 coin \u00e0 tige filet\u00e9e trap\u00e9zo\u00efdale apparaissent successivement. Ce <\/span><span style=\"font-family: Arial;\">a constitu\u00e9 une avanc\u00e9e majeure dans le d\u00e9veloppement des valves. L&#039;\u00e9mergence de ces deux types de vannes a non seulement r\u00e9pondu aux exigences de divers <\/span><span style=\"font-family: Arial;\">industrielles pour augmenter la pression et la temp\u00e9rature \u00e0 l&#039;\u00e9poque, mais r\u00e9pondait \u00e9galement initialement aux exigences de r\u00e9gulation du d\u00e9bit. Depuis, avec le <\/span><span style=\"font-family: Arial;\">d\u00e9veloppement de l&#039;industrie \u00e9lectrique, de l&#039;industrie p\u00e9troli\u00e8re, de l&#039;industrie chimique et de la construction navale, diverses vannes haute et moyenne pression <\/span><span style=\"font-family: Arial;\">se sont d\u00e9velopp\u00e9s rapidement.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Apr\u00e8s la Seconde Guerre mondiale, en raison du d\u00e9veloppement des mat\u00e9riaux polym\u00e8res, des mat\u00e9riaux lubrifiants, de l&#039;acier inoxydable et du carbure c\u00e9ment\u00e9 \u00e0 base de cobalt, les anciens robinets \u00e0 boisseau et les vannes papillon ont \u00e9t\u00e9 utilis\u00e9s dans de nouvelles applications, et les robinets \u00e0 tournant sph\u00e9rique et les vannes \u00e0 membrane ont \u00e9t\u00e9 rapidement utilis\u00e9s.<br>d\u00e9velopp\u00e9. Les vari\u00e9t\u00e9s de robinets \u00e0 soupape, de vannes et autres vannes ont augment\u00e9 et leur qualit\u00e9 s&#039;est am\u00e9lior\u00e9e. La fabrication des vannes<br>L&#039;industrie est progressivement devenue un secteur important de l&#039;industrie des machines. Les vannes peuvent \u00eatre divis\u00e9es en six types selon la fonction d&#039;utilisation : vanne d&#039;arr\u00eat, vanne de r\u00e9gulation, clapet anti-retour, vanne de d\u00e9rivation, vanne de s\u00e9curit\u00e9 et vanne polyvalente.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Qu&#039;est-ce qu&#039;un robinet-vanne \u00e0 soufflet\u00a0?<\/h2>\n\n\n\n<p>Une vanne \u00e0 guillotine \u00e0 soufflet est une vanne de proc\u00e9d\u00e9 industriel con\u00e7ue pour \u00e9liminer les fuites de vanne et est \u00e9galement connue sous le nom de \u00ab vanne z\u00e9ro fuite \u00bb ou \u00ab vanne sans \u00e9mission \u00bb. <\/p>\n\n\n\n<p>Dans les proc\u00e9d\u00e9s chimiques notamment, les fluides pr\u00e9sents dans les canalisations sont souvent toxiques, radioactifs et dangereux. Les vannes \u00e0 guillotine scell\u00e9es \u00e0 soufflet sont utilis\u00e9es pour emp\u00eacher la fuite de tout produit chimique toxique dans l\u2019atmosph\u00e8re.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sp\u00e9cifications du robinet-vanne \u00e0 joint \u00e0 soufflet<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Type de cale<\/td><td>Cale flexible<br>Cale solide<\/td><\/tr><tr><td>Construction du capot<\/td><td>Capot boulonn\u00e9<br>Bonnet soud\u00e9<br>Capot allong\u00e9<\/td><\/tr><tr><td>Terminer les connexions<\/td><td>\u00c0 bride, BW, SW, THR, HUB, PE<\/td><\/tr><tr><td>Fonctionnement<\/td><td>Volant, engrenage, tige nue, actionneur<\/td><\/tr><tr><td>Possibilit\u00e9s<\/td><td>Capot allong\u00e9<br>Soufflet scell\u00e9<br>Veste chauffante<br>Configuration DBB<\/td><\/tr><tr><td>Mat\u00e9riaux du joint \u00e0 soufflet<\/td><td>304<br>321<br>316Ti<br>Alliage 625<br>C276<\/td><\/tr><tr><td>Taille et al\u00e9sage<\/td><td>1\/2\u2033 - 12\u2033<br>DN10 \u2013 DN300<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Caract\u00e9ristiques et avantages du robinet-vanne \u00e0 soufflet<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Soufflet \u00e0 longue dur\u00e9e de vie (3\u00a0000 cycles)\u00a0: con\u00e7u et test\u00e9 pour un service \u00e0 haute pression\/temp\u00e9rature.<\/li><li>Port de surveillance du soufflet (en option) : Une fiche peut \u00eatre connect\u00e9e \u00e0 l&#039;espace au-dessus du soufflet pour surveiller les performances.<\/li><li>Deux joints de tige secondaires : a) Banquette arri\u00e8re en position ouverte ; b) Garniture en graphite.<\/li><li>Faces d&#039;assise de qualit\u00e9 sup\u00e9rieure\u00a0: les si\u00e8ges sont en alliage CoCr \u00e0 rechargement dur et la cale est en alliage CoCr solide.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Applications du robinet-vanne scell\u00e9 \u00e0 soufflet<\/h2>\n\n\n\n<p>Les vannes \u00e0 guillotine \u00e0 soufflet de ZECO Valve peuvent \u00eatre d\u00e9ploy\u00e9es pour une grande vari\u00e9t\u00e9 d&#039;applications dans les industries p\u00e9troli\u00e8re, gazi\u00e8re et p\u00e9trochimique lorsque des vannes fiables et de haute qualit\u00e9 sont requises. Voici quelques exemples d&#039;applications\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Prestations haute temp\u00e9rature<\/li><li>Services \u00e0 cycle \u00e9lev\u00e9 et de commutation<\/li><li>Vannes d&#039;arr\u00eat d&#039;urgence<\/li><li>Syst\u00e8me de protection contre la pression \u00e0 haute int\u00e9grit\u00e9<\/li><li>Oxyg\u00e8ne, azote ou hydrog\u00e8ne haute pression<\/li><li>Manipulation de solides (poudres, fines, poussi\u00e8res et catalyseurs)<\/li><li>Poly\u00e9thyl\u00e8ne ou polypropyl\u00e8ne<\/li><li>Conversion et gaz\u00e9ification du charbon<\/li><li>Fluides thermiques<\/li><li>Syst\u00e8mes de s\u00e9paration, de filtrage et de s\u00e9chage<\/li><li>Stations de compression<\/li><li>Service d&#039;isolement marche\/arr\u00eat<\/li><li>Collecteurs de p\u00e9trole et de gaz<\/li><\/ul>\n\n\n\n<p>ZECO Valve est un fabricant professionnel de vannes \u00e0 guillotine \u00e0 joint \u00e0 soufflet. Si vous avez des questions, vous pouvez contacter <a href=\"mailto:commercial@zecovalve.com\"><mark style=\"background-color:var(--base)\" class=\"has-inline-color has-contrast-2-color\">commercial@zecovalve.com<\/mark><\/a><\/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\/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\/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\/gate-valve-problems.html\/\">R\u00e9paration de vannes \u00e0 vanne<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/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\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">Qu'est-ce qu'un robinet-vanne ?<\/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<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/fr\/history-of-automatic-control-valve-zeco-valve-industrial-valve-manufacturer.html\/\">Que sont les vannes de r\u00e9gulation automatique ?<\/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<p>Dix articles avant et apr\u00e8s<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/power-plant-minimun-flow-circulation-valve-power-plant-rotork-electrical-actuator-control-valve-super-high-pressure-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufa.html\/\">Vanne de circulation \u00e0 d\u00e9bit minimum pour centrale \u00e9lectrique, vanne de r\u00e9gulation de l&#039;actionneur \u00e9lectrique Rotork de la centrale \u00e9lectrique, vanne de r\u00e9gulation \u00e0 tr\u00e8s haute pression - Chine fournisseur de vannes \u00e0 bille en titane, fabricants de vannes \u00e0 soupape cryog\u00e9niques en Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/dbb-6000psi-ball-valve-dbb-high-pressure-ball-valves-dbb-sae-ball-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow-sealed.html\/\">Vanne \u00e0 bille DBB 6000psi, vannes \u00e0 bille haute pression DBB, vanne \u00e0 bille DBB SAE - Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/a351-cf8-bellow-sealed-globe-valve6-150lb-bellow-sealed-globe-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow-sealed-glo.html\/\">Vanne \u00e0 soupape scell\u00e9e \u00e0 soufflet A351 CF8, vanne \u00e0 soupape scell\u00e9e \u00e0 soufflet de 6 \u201d150LB \u2013 Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques en Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/dn20-pn16-astm-a182-f316-cryogenic-globe-valve-rf-cryogenic-globe-valve-196c-cryogenic-globe-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butte.html\/\">Vanne \u00e0 soupape cryog\u00e9nique DN20 PN16 ASTM A182-F316, vanne \u00e0 soupape cryog\u00e9nique RF. -196 \u00b0 C robinet \u00e0 soupape cryog\u00e9nique - Fournisseur de robinets \u00e0 tournant sph\u00e9rique en titane Chine, fabricants de robinets \u00e0 soupape cryog\u00e9niques Chine, vanne papillon C95800 en Chine, usine de robinets \u00e0 soupape scell\u00e9s \u00e0 soufflet, soci\u00e9t\u00e9 de robinets \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/press-seal-gate-valve-bw-900lb-gate-valvechina-pressure-seal-gate-valve-supplier-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabello.html\/\">Vanne \u00e0 vanne \u00e0 joint de presse, vanne \u00e0 vanne BW 900LB, fournisseur de vanne \u00e0 vanne \u00e0 joint de pression Chine - Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/high-temperature-high-pressure-butterfly-valve-triple-offset-butterfly-valve-metal-to-metal-seated-butterfly-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95.html\/\">vanne papillon haute pression haute temp\u00e9rature, vanne papillon triple offset, vanne papillon \u00e0 si\u00e8ge m\u00e9tal sur m\u00e9tal \u2013 Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques en Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/triple-off-set-butterfly-valvemetal-to-metal-seat-butterfly-valvethree-eccentric-butterfly-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valv.html\/\">Vanne papillon \u00e0 triple d\u00e9calage, vanne papillon \u00e0 si\u00e8ge m\u00e9tal sur m\u00e9tal, vanne papillon \u00e0 trois excentriques - Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques en Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/forged-steel-high-pressure-control-valve-power-plant-forged-steel-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve-in-chinabellow.html\/\">vanne de r\u00e9gulation haute pression en acier forg\u00e9, vanne de r\u00e9gulation en acier forg\u00e9 pour centrale \u00e9lectrique \u2013 Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/siemens-explosion-proof-positioner-pneumatic-control-valve-high-pressure-pneumatic-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve.html\/\">Vanne de commande pneumatique de positionneur antid\u00e9flagrant Siemens, vanne de commande pneumatique haute pression - Fournisseur de vannes \u00e0 bille en titane Chine, fabricants de vannes \u00e0 soupape cryog\u00e9niques en Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/fr\/power-plant-minimun-flow-circulation-valve-power-plant-rotork-electrical-actuator-control-valve-super-high-pressure-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufact.html\/\">Vanne de circulation \u00e0 d\u00e9bit minimum pour centrale \u00e9lectrique, vanne de r\u00e9gulation de l&#039;actionneur \u00e9lectrique Rotork de la centrale \u00e9lectrique, vanne de r\u00e9gulation \u00e0 tr\u00e8s haute pression - Chine fournisseur de vannes \u00e0 bille en titane, fabricants de vannes \u00e0 soupape cryog\u00e9niques en Chine, vanne papillon C95800 en Chine, usine de vannes \u00e0 soupape scell\u00e9es \u00e0 soufflet, soci\u00e9t\u00e9 de vannes \u00e0 soupape en inconel 625 | Fabricant de vannes professionnel<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L&#039;historique des vannes Les vannes sont des dispositifs utilis\u00e9s pour contr\u00f4ler le d\u00e9bit, la pression et la direction du fluide. Le fluide \u00e0 contr\u00f4ler\u2026 <a title=\"Historique des valves | Fabricant de robinet-vanne \u00e0 joint \u00e0 soufflet\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/fr\/1-2-1500lb-forged-gate-valve-asme-b16-11-socket-weld-connection-gate-valvehigh-pressure-socket-weld-connection-gate-valve-china-manufacturer-titanium-ball-valves-supplier-chinacryogenic-globe.html\" aria-label=\"Plus sur Valve Histoire | Fabricant de robinet-vanne \u00e0 joint \u00e0 soufflet\">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":[3108,3109,3110,2687,3111,5,3112],"class_list":["post-9353","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-bellow-seal-gate-valve","tag-bellow-sealed-gate-valve","tag-bellows-seal-gate-valve","tag-china-bellows-seal-globe-valve","tag-history-of-valve","tag-valve","tag-valve-history","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":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":3109,"name":"bellow sealed gate valve","slug":"bellow-sealed-gate-valve","term_group":0,"term_taxonomy_id":3109,"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":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":3111,"name":"history of valve","slug":"history-of-valve","term_group":0,"term_taxonomy_id":3111,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":5,"name":"valve","slug":"valve","term_group":0,"term_taxonomy_id":5,"taxonomy":"post_tag","description":"","parent":0,"count":116,"filter":"raw"},{"term_id":3112,"name":"valve history","slug":"valve-history","term_group":0,"term_taxonomy_id":3112,"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":3109,"label":"bellow sealed gate valve"},{"value":3110,"label":"Bellows Seal Gate Valve"},{"value":2687,"label":"China Bellows Seal Globe Valve"},{"value":3111,"label":"history of valve"},{"value":5,"label":"valve"},{"value":3112,"label":"valve history"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Valve Histroy | Bellow Seal Gate Valve Manufacturer - 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\/1-2-1500lb-forged-gate-valve-asme-b16-11-socket-weld-connection-gate-valvehigh-pressure-socket-weld-connection-gate-valve-china-manufacturer-titanium-ball-valves-supplier-chinacryogenic-globe.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Valve Histroy | Bellow Seal Gate Valve Manufacturer - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"The Histroy of the Valve Valves are devices used to control fluid flow, pressure and flow direction. 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