{"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\/pt\/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":"Hist\u00f3ria da v\u00e1lvula | Fabricante de v\u00e1lvula de gaveta com veda\u00e7\u00e3o de fole"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-the-histroy-of-the-valve\">A Hist\u00f3ria da V\u00e1lvula<\/h2>\n\n\n\n<p><span style=\"font-family: Arial;\">V\u00e1lvulas s\u00e3o dispositivos usados para controlar o fluxo, a press\u00e3o e a dire\u00e7\u00e3o do fluido. O fluido a ser controlado pode ser l\u00edquido, gasoso, mistura g\u00e1s-l\u00edquido ou <\/span><span style=\"font-family: Arial;\">mistura s\u00f3lido-l\u00edquido. A v\u00e1lvula \u00e9 geralmente composta de corpo de v\u00e1lvula, castelo, sede de v\u00e1lvula, pe\u00e7as de abertura e fechamento, mecanismo de acionamento, veda\u00e7\u00f5es e <\/span><span style=\"font-family: Arial;\">fixadores. A fun\u00e7\u00e3o de controle da v\u00e1lvula \u00e9 realizada acionando o mecanismo ou fluido para fazer com que o membro de abertura e fechamento se mova para cima <\/span><span style=\"font-family: Arial;\">e para baixo, deslize, balance ou gire para alterar o tamanho da \u00e1rea do canal de fluxo.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">A v\u00e1lvula tem uma ampla gama de utiliza\u00e7\u00f5es e est\u00e1 intimamente relacionada ao dia a dia das pessoas. Por exemplo, torneiras para tubula\u00e7\u00f5es de \u00e1gua e press\u00e3o <\/span><span style=\"font-family: Arial;\">v\u00e1lvulas redutoras para fog\u00f5es a g\u00e1s liquefeito de petr\u00f3leo s\u00e3o todas v\u00e1lvulas. As v\u00e1lvulas tamb\u00e9m s\u00e3o componentes indispens\u00e1veis em diversos equipamentos mec\u00e2nicos <\/span><span style=\"font-family: Arial;\">como motores de combust\u00e3o interna, motores a vapor, compressores, bombas, transmiss\u00f5es pneum\u00e1ticas, ve\u00edculos de transmiss\u00e3o hidr\u00e1ulica, navios e <\/span><span style=\"font-family: Arial;\">aeronave.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">H\u00e1 dois mil anos a.C., os chineses usavam tubos de bambu e v\u00e1lvulas de madeira em tubula\u00e7\u00f5es de \u00e1gua e, mais tarde, usavam eclusas em <\/span><span style=\"font-family: Arial;\">canais de irriga\u00e7\u00e3o, v\u00e1lvulas de reten\u00e7\u00e3o de placas em caixas de vento de fundi\u00e7\u00e3o e bambu em po\u00e7os de minera\u00e7\u00e3o de sal. V\u00e1lvulas de reten\u00e7\u00e3o de tubula\u00e7\u00e3o e placa extraem salmoura.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Com o desenvolvimento da tecnologia de fundi\u00e7\u00e3o e do maquin\u00e1rio hidr\u00e1ulico, v\u00e1lvulas macho de cobre e chumbo surgiram na Europa. Com o uso de <\/span><span style=\"font-family: Arial;\">na caldeira, a v\u00e1lvula de seguran\u00e7a do martelo de alavanca apareceu novamente em 1681. Antes do surgimento da m\u00e1quina a vapor Watt em 1769, as v\u00e1lvulas macho e <\/span><span style=\"font-family: Arial;\">as v\u00e1lvulas de reten\u00e7\u00e3o t\u00eam sido as v\u00e1lvulas mais importantes. A inven\u00e7\u00e3o da m\u00e1quina a vapor trouxe a v\u00e1lvula para o campo da ind\u00fastria de m\u00e1quinas. Em <\/span><span style=\"font-family: Arial;\">al\u00e9m de v\u00e1lvulas macho, v\u00e1lvulas de seguran\u00e7a e v\u00e1lvulas de reten\u00e7\u00e3o, os motores a vapor Watt tamb\u00e9m usam v\u00e1lvulas borboleta para regular o fluxo. Com o aumento de <\/span><span style=\"font-family: Arial;\">fluxo e press\u00e3o de vapor, o uso de v\u00e1lvulas macho para controlar a entrada e exaust\u00e3o de vapor da m\u00e1quina a vapor n\u00e3o conseguiu atender \u00e0s necessidades, <\/span><span style=\"font-family: Arial;\">ent\u00e3o a v\u00e1lvula deslizante<br>apareceu. <\/span><span style=\"font-family: Arial;\">Por volta de 1840, v\u00e1lvulas globo com hastes roscadas e v\u00e1lvulas de cunha com hastes roscadas trapezoidais apareceram uma ap\u00f3s a outra. Esse <\/span><span style=\"font-family: Arial;\">foi um grande avan\u00e7o no desenvolvimento de v\u00e1lvulas. O surgimento destes dois tipos de v\u00e1lvulas n\u00e3o s\u00f3 atendeu aos requisitos de v\u00e1rios <\/span><span style=\"font-family: Arial;\">ind\u00fastrias para aumentar a press\u00e3o e a temperatura na \u00e9poca, mas tamb\u00e9m inicialmente atendeu aos requisitos de regula\u00e7\u00e3o de fluxo. Desde ent\u00e3o, com o <\/span><span style=\"font-family: Arial;\">desenvolvimento da ind\u00fastria de energia, ind\u00fastria petrol\u00edfera, ind\u00fastria qu\u00edmica e ind\u00fastria de constru\u00e7\u00e3o naval, v\u00e1rias v\u00e1lvulas de alta e m\u00e9dia press\u00e3o <\/span><span style=\"font-family: Arial;\">desenvolveram-se rapidamente.<\/span><\/p>\n\n\n\n<p><span style=\"font-family: Arial;\">Ap\u00f3s a Segunda Guerra Mundial, devido ao desenvolvimento de materiais polim\u00e9ricos, materiais lubrificantes, a\u00e7o inoxid\u00e1vel e metal duro \u00e0 base de cobalto, antigas v\u00e1lvulas macho e v\u00e1lvulas borboleta foram usadas em novas aplica\u00e7\u00f5es, e v\u00e1lvulas de esfera e v\u00e1lvulas de diafragma foram rapidamente<br>desenvolvido. As variedades de v\u00e1lvulas globo, v\u00e1lvulas gaveta e outras v\u00e1lvulas aumentaram e sua qualidade melhorou. A fabrica\u00e7\u00e3o de v\u00e1lvulas<br>a ind\u00fastria tornou-se gradualmente um setor importante da ind\u00fastria de m\u00e1quinas. As v\u00e1lvulas podem ser divididas em seis tipos de acordo com a fun\u00e7\u00e3o de utiliza\u00e7\u00e3o: v\u00e1lvula de corte, v\u00e1lvula reguladora, v\u00e1lvula de reten\u00e7\u00e3o, v\u00e1lvula desviadora, v\u00e1lvula de seguran\u00e7a e v\u00e1lvula multiuso.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O que \u00e9 uma v\u00e1lvula de veda\u00e7\u00e3o de fole?<\/h2>\n\n\n\n<p>Uma v\u00e1lvula de gaveta com fole selado \u00e9 uma v\u00e1lvula de processo industrial projetada para eliminar vazamentos de v\u00e1lvula e tamb\u00e9m \u00e9 conhecida como &#039;V\u00e1lvula de Vazamento Zero&#039; ou &#039;V\u00e1lvula Livre de Emiss\u00f5es&#039;. <\/p>\n\n\n\n<p>Em processos qu\u00edmicos espec\u00edficos, os fluidos nas tubula\u00e7\u00f5es s\u00e3o frequentemente t\u00f3xicos, radioativos e perigosos. V\u00e1lvulas de gaveta seladas por fole s\u00e3o usadas para evitar vazamento de qualquer produto qu\u00edmico t\u00f3xico para a atmosfera.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Especifica\u00e7\u00f5es da v\u00e1lvula de veda\u00e7\u00e3o de fole<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td>Tipo de cunha<\/td><td>Cunha Flex\u00edvel<br>Cunha S\u00f3lida<\/td><\/tr><tr><td>Constru\u00e7\u00e3o do Cap\u00f4<\/td><td>Cap\u00f4 aparafusado<br>Cap\u00f4 Soldado<br>Tampa do compartimento do motor alargada<\/td><\/tr><tr><td>Terminar conex\u00f5es<\/td><td>Flangeado, BW, SW, THR, HUB, PE<\/td><\/tr><tr><td>Opera\u00e7\u00e3o<\/td><td>Volante, Engrenagem, Haste Nua, Atuador<\/td><\/tr><tr><td>Op\u00e7\u00f5es<\/td><td>Tampa do compartimento do motor alargada<br>Abaixo selado<br>Casaco de aquecimento<br>Configura\u00e7\u00e3o DBB<\/td><\/tr><tr><td>Materiais de veda\u00e7\u00e3o abaixo<\/td><td>304<br>321<br>316Ti<br>Liga 625<br>Cap\u00edtulo 276<\/td><\/tr><tr><td>Tamanho e di\u00e2metro<\/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\">Caracter\u00edsticas e benef\u00edcios da v\u00e1lvula de veda\u00e7\u00e3o de fole<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Fole de longa vida \u00fatil (3.000 ciclos): Projetado e testado para qualifica\u00e7\u00e3o para servi\u00e7o em alta press\u00e3o\/temperatura.<\/li><li>Porta de monitoramento do fole (opcional): Um plugue pode ser conectado ao espa\u00e7o acima do fole para monitorar o desempenho.<\/li><li>Duas veda\u00e7\u00f5es secund\u00e1rias da haste: a) Banco traseiro em posi\u00e7\u00e3o aberta; b) Gaxeta de grafite.<\/li><li>Faces de assentamento superiores: Os assentos s\u00e3o revestidos em liga de CoCr e a cunha \u00e9 em liga s\u00f3lida de CoCr.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Aplica\u00e7\u00f5es da v\u00e1lvula gaveta selada com fole<\/h2>\n\n\n\n<p>As v\u00e1lvulas de gaveta seladas por fole da ZECO Valve podem ser implantadas para uma ampla variedade de aplica\u00e7\u00f5es nas ind\u00fastrias de petr\u00f3leo e g\u00e1s e petroqu\u00edmica quando s\u00e3o necess\u00e1rias v\u00e1lvulas confi\u00e1veis e de alta qualidade. Alguns exemplos de aplica\u00e7\u00f5es incluem:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Servi\u00e7os de alta temperatura<\/li><li>Servi\u00e7os de alto ciclo e comuta\u00e7\u00e3o<\/li><li>V\u00e1lvulas de desligamento de emerg\u00eancia<\/li><li>Sistema de prote\u00e7\u00e3o de press\u00e3o de alta integridade<\/li><li>Oxig\u00eanio, nitrog\u00eanio ou hidrog\u00eanio de alta press\u00e3o<\/li><li>Manuseio de s\u00f3lidos (p\u00f3s, finos, poeira e catalisadores)<\/li><li>Polietileno ou polipropileno<\/li><li>Convers\u00e3o e gaseifica\u00e7\u00e3o de carv\u00e3o<\/li><li>Fluidos t\u00e9rmicos<\/li><li>Sistemas de separa\u00e7\u00e3o, filtro e secagem<\/li><li>Esta\u00e7\u00f5es compressoras<\/li><li>Servi\u00e7o de isolamento liga\/desliga<\/li><li>Coletores de petr\u00f3leo e g\u00e1s<\/li><\/ul>\n\n\n\n<p>A v\u00e1lvula ZECO \u00e9 um fabricante profissional de v\u00e1lvulas de veda\u00e7\u00e3o de fole. Se houver alguma d\u00favida, voc\u00ea pode entrar em contato <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\">Etiquetas relacionadas :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/\">V\u00e1lvula ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/advantages-and-disadvantages-of-globe-valves.html\/\">O que \u00e9 uma v\u00e1lvula de globo?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/difference-between-gate-valves-and-ball-valves.html\/\">V\u00e1lvula de gaveta vs V\u00e1lvula de esfera<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/gate-valve-problems.html\/\">Reparo de v\u00e1lvula gaveta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diferen\u00e7a entre a v\u00e1lvula de gaveta e a v\u00e1lvula de borboleta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">O que \u00e9 uma v\u00e1lvula de gaveta?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/the-difference-between-globe-valve-and-ball-valve.html\/\">V\u00e1lvula de Globo vs V\u00e1lvula de Esfera<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/history-of-automatic-control-valve-zeco-valve-industrial-valve-manufacturer.html\/\">O que s\u00e3o v\u00e1lvulas de controlo autom\u00e1ticas?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/tag\/shanghai-pressure-reducing-valve-factory\/\">F\u00e1brica de v\u00e1lvulas redutoras de press\u00e3o de Xangai<\/a>\n\n<\/div>\n\n\n\n<p>Dez artigos antes e depois<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">V\u00e1lvula de circula\u00e7\u00e3o de fluxo m\u00ednimo para usina de energia, v\u00e1lvula de controle do atuador el\u00e9trico Rotork para usina de energia, v\u00e1lvula de controle de super alta press\u00e3o - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada abaixo, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">V\u00e1lvula de esfera DBB 6000psi, v\u00e1lvulas de esfera de alta press\u00e3o DBB, v\u00e1lvula de esfera DBB SAE - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada com fole, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">V\u00e1lvula globo selada com fole A351 CF8, v\u00e1lvula globo selada com fole de 6&quot; 150LB - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada com fole, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">V\u00e1lvula globo criog\u00eanica DN20 PN16 ASTM A182-F316, v\u00e1lvula globo criog\u00eanica RF. V\u00e1lvula globo criog\u00eanica -196 \u00b0 C - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvulas globo criog\u00eanicas na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada com fole, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">V\u00e1lvula de veda\u00e7\u00e3o de press\u00e3o, v\u00e1lvula de gaveta BW 900LB, fornecedor de v\u00e1lvula de veda\u00e7\u00e3o de press\u00e3o na China - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada com fole, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">v\u00e1lvula borboleta de alta temperatura e alta press\u00e3o, v\u00e1lvula borboleta de deslocamento triplo, v\u00e1lvula borboleta com sede de metal com metal - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada com fole, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">v\u00e1lvula borboleta de ajuste triplo, v\u00e1lvula borboleta de assento de metal com metal, tr\u00eas v\u00e1lvulas borboleta exc\u00eantricas - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada com fole, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">v\u00e1lvula de controle de alta press\u00e3o de a\u00e7o forjado, v\u00e1lvula de controle de a\u00e7o forjado para usina de energia - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada com fole, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/siemens-explosion-proof-positioner-pneumatic-control-valve-high-pressure-pneumatic-control-valve-titanium-ball-valves-supplier-chinacryogenic-globe-valve-manufacturers-chinac95800-butterfly-valve.html\/\">V\u00e1lvula de controle pneum\u00e1tico do posicionador \u00e0 prova de explos\u00e3o Siemens, v\u00e1lvula de controle pneum\u00e1tico de alta press\u00e3o - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada por fole, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/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\/\">V\u00e1lvula de circula\u00e7\u00e3o de fluxo m\u00ednimo para usina de energia, v\u00e1lvula de controle do atuador el\u00e9trico Rotork para usina de energia, v\u00e1lvula de controle de super alta press\u00e3o - fornecedor de v\u00e1lvulas de esfera de tit\u00e2nio na China, fabricantes de v\u00e1lvula globo criog\u00eanica na China, v\u00e1lvula borboleta C95800 na China, f\u00e1brica de v\u00e1lvula globo selada abaixo, empresa de v\u00e1lvula globo inconel 625 | Fabricante profissional de v\u00e1lvulas<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>O Histroy da V\u00e1lvula V\u00e1lvulas s\u00e3o dispositivos usados para controlar o fluxo, a press\u00e3o e a dire\u00e7\u00e3o do fluido. O fluido a ser controlado\u2026 <a title=\"Hist\u00f3ria da v\u00e1lvula | Fabricante de v\u00e1lvula de gaveta com veda\u00e7\u00e3o de fole\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/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=\"Mais em Valve Hist\u00f3ria | Fabricante de v\u00e1lvula de gaveta com veda\u00e7\u00e3o de fole\">Ler mais<\/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\/pt\/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\/pt\/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=\"pt_PT\" \/>\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. The fluid to be controlled ... 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