{"id":1743,"date":"2021-12-28T08:51:00","date_gmt":"2021-12-28T08:51:00","guid":{"rendered":"https:\/\/zecovalve.com\/updated-api-trim-chart-applications-zeco.html"},"modified":"2022-08-13T16:00:15","modified_gmt":"2022-08-13T16:00:15","slug":"updated-api-trim-chart-applications-zeco","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/updated-api-trim-chart-applications-zeco.html","title":{"rendered":"O que \u00e9 guarni\u00e7\u00e3o de v\u00e1lvula? Tabela de internos de v\u00e1lvula API 600"},"content":{"rendered":"<p>As principais pe\u00e7as da v\u00e1lvula incluem dois tipos de fun\u00e7\u00f5es, uma delas: reten\u00e7\u00e3o de press\u00e3o, que inclui um corpo de v\u00e1lvula, castelo ou tampa, parafuso da tampa, disco e as outras pe\u00e7as principais de reten\u00e7\u00e3o sem press\u00e3o de uma v\u00e1lvula, como sede (s) de v\u00e1lvula, haste , garfo, gaxeta, parafusamento da sobreposta, buchas, volantes, atuadores de v\u00e1lvula, etc.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-valve-trim\">O que \u00e9 guarni\u00e7\u00e3o de v\u00e1lvula?<\/h2>\n\n\n\n<p>O interno, especialmente os elementos correspondentes que regulam o fluxo de acordo com as demandas do controlador, est\u00e1 no centro da v\u00e1lvula de controle. Cada processo \u00e9 distinto por si s\u00f3, necessitando de recursos espec\u00edficos de controle de fluxo. O acabamento da v\u00e1lvula inclui a haste, o obturador, o disco, a superf\u00edcie de assentamento, etc. \u00c9 tamb\u00e9m o formato real do arranjo do obturador e da sede.<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><td><strong>Tipo de v\u00e1lvulas<\/strong><\/td><td><strong>Guarni\u00e7\u00f5es de v\u00e1lvulas<\/strong><\/td><\/tr><tr><td>V\u00e1lvulas angulares<\/td><td>Haste, sede, disco, porca do disco, bucha do assento traseiro<\/td><\/tr><tr><td>V\u00e1lvulas de gaveta<\/td><td>Haste, assento, cunha, bucha do banco traseiro<\/td><\/tr><tr><td>V\u00e1lvulas globo<\/td><td>Haste, disco, assento, porca do disco, bucha do assento traseiro<\/td><\/tr><tr><td>V\u00e1lvulas de disco<\/td><td>Disco, porca do disco, bucha do assento traseiro<\/td><\/tr><tr><td>V\u00e1lvulas de reten\u00e7\u00e3o tipo elevador<\/td><td>Anel de sede, disco, guia de disco<\/td><\/tr><tr><td>V\u00e1lvulas de reten\u00e7\u00e3o tipo swing<\/td><td>Anel da sede, disco, porca do disco, pino da porca do disco, suporte do disco, pino do suporte do disco, buj\u00e3o lateral, pino transportador<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pe\u00e7as de guarni\u00e7\u00e3o de v\u00e1lvula<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>DISCO<ul><li>O disco \u00e9 uma parte da v\u00e1lvula que permite, estrangula ou interrompe o fluxo dependendo de sua posi\u00e7\u00e3o; \u00e9 uma parte da v\u00e1lvula que ret\u00e9m a press\u00e3o. Os tipos de disco presentes na v\u00e1lvula definem o nome da v\u00e1lvula. sobre v\u00e1lvula macho ou esfera, o disco \u00e9 chamado de tamp\u00e3o ou esfera. Um disco ser\u00e1 assentado contra a sede ou sedes da v\u00e1lvula estacion\u00e1ria quando a v\u00e1lvula estiver na posi\u00e7\u00e3o fechada; durante a posi\u00e7\u00e3o fechada, o disco desempenha uma fun\u00e7\u00e3o de reten\u00e7\u00e3o de press\u00e3o, enquanto durante a posi\u00e7\u00e3o aberta da v\u00e1lvula, o disco n\u00e3o executa a fun\u00e7\u00e3o de reten\u00e7\u00e3o de press\u00e3o . Ele pode ser afastado das sedes da v\u00e1lvula pelo movimento da haste da v\u00e1lvula, exceto nas v\u00e1lvulas de reten\u00e7\u00e3o e seguran\u00e7a, o disco \u00e9 afastado de suas sedes pelo fluxo e press\u00e3o do fluido. Um disco de v\u00e1lvula geralmente \u00e9 fundido, forjado ou fabricado.<\/li><\/ul><\/li><li>ASSENTO<ul><li>A sede da v\u00e1lvula \u00e9 uma das pe\u00e7as de reten\u00e7\u00e3o sem press\u00e3o da v\u00e1lvula. As v\u00e1lvulas ter\u00e3o talvez uma ou mais sedes, como nos casos de v\u00e1lvula globo ou de reten\u00e7\u00e3o oscilante, haver\u00e1 uma sede formando uma veda\u00e7\u00e3o com o disco para interromper o fluxo. J\u00e1 para a v\u00e1lvula gaveta haver\u00e1 duas superf\u00edcies de assentamento que entrar\u00e3o em contato com as sedes. Da mesma forma, as v\u00e1lvulas macho e esfera, dependendo do n\u00famero de portas, ter\u00e3o v\u00e1rios assentos. As sedes das v\u00e1lvulas podem ser an\u00e9is integrais, renov\u00e1veis ou substitu\u00edveis. V\u00e1lvulas pequenas s\u00e3o fornecidas com sedes de v\u00e1lvula aparafusadas, estampadas ou soldadas e, em v\u00e1lvulas grandes, podem ter qualquer uma das sedes usadas em v\u00e1lvulas pequenas e ter\u00e3o sedes integralmente fundidas ou forjadas ao longo do corpo da v\u00e1lvula.<\/li><\/ul><\/li><li>Banco de tr\u00e1s<ul><li>O banco traseiro compreende um ressalto na haste e uma superf\u00edcie de contato na parte inferior do cap\u00f4. Quando a haste est\u00e1 totalmente aberta, forma uma veda\u00e7\u00e3o. Inibe o vazamento de m\u00eddia na c\u00e2mara de embalagem e no meio ambiente. Nota: Por raz\u00f5es de seguran\u00e7a, NUNCA \u00e9 recomendado trocar a gaxeta enquanto a v\u00e1lvula estiver sob press\u00e3o.<\/li><\/ul><\/li><li>TRONCO<ul><li>A haste conecta o atuador, o volante da v\u00e1lvula e o disco, plugue ou esfera. Necess\u00e1rio para o movimento de abertura e fechamento da v\u00e1lvula. Assim, ocorreu o movimento de abertura e fechamento da haste da v\u00e1lvula. Em uma v\u00e1lvula gaveta ou globo, o movimento linear do disco \u00e9 necess\u00e1rio para abrir ou fechar a v\u00e1lvula. J\u00e1 nas v\u00e1lvulas macho, esfera e borboleta, o disco da v\u00e1lvula \u00e9 girado para abrir ou fechar a v\u00e1lvula. As v\u00e1lvulas de reten\u00e7\u00e3o de parada e as v\u00e1lvulas de reten\u00e7\u00e3o n\u00e3o possuem haste.<\/li><\/ul><\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Gr\u00e1fico de trim da v\u00e1lvula API600<\/h2>\n\n\n\n<p>As especifica\u00e7\u00f5es do gr\u00e1fico de trim API600 s\u00e3o projetadas para v\u00e1lvulas gaveta API600. Para v\u00e1lvulas gaveta API603, bem como v\u00e1lvulas globo e v\u00e1lvulas de reten\u00e7\u00e3o, os mesmos n\u00fameros de internos s\u00e3o aplicados de forma mais flex\u00edvel (Tabela de internos n\u00e3o referenciada na norma API603 mais recente). Obviamente, no que diz respeito \u00e0s v\u00e1lvulas globo e de reten\u00e7\u00e3o, os diferenciais de dureza mostrados no disco e na sede s\u00e3o especificados para v\u00e1lvulas gaveta sujeitas a maior desgaste, estrias, emperramento etc., e n\u00e3o s\u00e3o t\u00e3o relevantes. Al\u00e9m disso, as v\u00e1lvulas globo e de reten\u00e7\u00e3o s\u00e3o frequentemente especificadas de acordo com as especifica\u00e7\u00f5es BS (agora ISO). API 623 para v\u00e1lvulas globo e API594 para v\u00e1lvulas de reten\u00e7\u00e3o de giro agora s\u00e3o usadas no lugar das obsoletas BS 1868 e BS 1873<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table><tbody><tr><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Corte API No.<\/td><td class=\"has-text-align-center\" data-align=\"center\">Material<\/td><td class=\"has-text-align-center\" data-align=\"center\">Assento<\/td><td class=\"has-text-align-center\" data-align=\"center\">Disco<\/td><td class=\"has-text-align-center\" data-align=\"center\">Banco traseiro<\/td><td class=\"has-text-align-center\" data-align=\"center\">Caule<\/td><td class=\"has-text-align-center\" data-align=\"center\">Notas<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">2<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3<\/td><td class=\"has-text-align-center\" data-align=\"center\">F310<\/td><td class=\"has-text-align-center\" data-align=\"center\">310<\/td><td class=\"has-text-align-center\" data-align=\"center\">310<\/td><td class=\"has-text-align-center\" data-align=\"center\">310<\/td><td class=\"has-text-align-center\" data-align=\"center\">310<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">4<\/td><td class=\"has-text-align-center\" data-align=\"center\">Dif\u00edcil 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Dif\u00edcil 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Mares 750 BHN min.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><td class=\"has-text-align-center\" data-align=\"center\">Severo<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">5A<\/td><td class=\"has-text-align-center\" data-align=\"center\">Severo<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">6<\/td><td class=\"has-text-align-center\" data-align=\"center\">410 e Cu-Ni<\/td><td class=\"has-text-align-center\" data-align=\"center\">Cu-Ni<\/td><td class=\"has-text-align-center\" data-align=\"center\">Cu-Ni<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">7<\/td><td class=\"has-text-align-center\" data-align=\"center\">410 e Dif\u00edcil 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Dif\u00edcil 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Dif\u00edcil 410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">Mares 750 BHN min.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">8<\/td><td class=\"has-text-align-center\" data-align=\"center\">410 e face dura<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">8A<\/td><td class=\"has-text-align-center\" data-align=\"center\">410 e face dura<\/td><td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\">410<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">9<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">10<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">11<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel e cara dura<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">12<\/td><td class=\"has-text-align-center\" data-align=\"center\">316 e Face Dura<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">13<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">14<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20 e revestimento duro<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">15<\/td><td class=\"has-text-align-center\" data-align=\"center\">304 e face dura<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\">304<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">16<\/td><td class=\"has-text-align-center\" data-align=\"center\">316 e Face Dura<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\">316<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">17<\/td><td class=\"has-text-align-center\" data-align=\"center\">347 e face dura<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">347<\/td><td class=\"has-text-align-center\" data-align=\"center\">347<\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">18<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20 e revestimento duro<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">Estelite<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><td class=\"has-text-align-center\" data-align=\"center\">Liga 20<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Import\u00e2ncia do design do interno da v\u00e1lvula<\/h2>\n\n\n\n<p>O interno desempenha um papel importante nas caracter\u00edsticas da v\u00e1lvula. Determina a vaz\u00e3o e os isolamentos das v\u00e1lvulas. Os formatos do interno da v\u00e1lvula determinam as caracter\u00edsticas de fluxo da v\u00e1lvula. A caracter\u00edstica do interno da v\u00e1lvula est\u00e1 relacionada \u00e0 porcentagem de vaz\u00e3o e ao deslocamento da haste da v\u00e1lvula entre 0% e 100%.<\/p>\n\n\n\n<p>Os materiais dos internos \u00e0s vezes s\u00e3o iguais ao corpo da v\u00e1lvula ou castelo e \u00e0s vezes s\u00e3o diferentes. De acordo com as diferentes propriedades necess\u00e1rias para que os componentes resistam a for\u00e7as e condi\u00e7\u00f5es espec\u00edficas. para que sejam constru\u00eddos com materiais variados. quando materiais de acabamento adequados s\u00e3o selecionados, as propriedades do meio de fluxo, como composi\u00e7\u00e3o qu\u00edmica do fluido, press\u00e3o, temperatura, vaz\u00e3o, velocidade e viscosidade dos fluidos, s\u00e3o consideradas.<\/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\/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\/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\/the-function-of-globe-valve-in-pipeline-system.html\/\">O que s\u00e3o v\u00e1lvulas globo?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/produto\/manual-gate-valve\/\">V\u00e1lvula de gaveta de acionamento manual Fabricante<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/what-is-an-axial-flow-silent-check-valve.html\/\">O que \u00e9 uma v\u00e1lvula de reten\u00e7\u00e3o axial<\/a>\n\n<\/div>\n\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\/introduction-of-epdm-nbr-butterfly-valve-seat-industrial-valve-information-news-zeco-valve.html\/\">V\u00e1lvula borboleta NBR<\/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<p>Dez artigos antes e depois<\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/aga-approved-firesafe-certified-ball-valves-actuators-ex-stock-zeco.html\/\">V\u00e1lvulas e atuadores de esfera e certificados Firesafe aprovados pela AGA em estoque | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/differencies-between-iso-15848-and-ta-luft-zeco.html\/\">Diferen\u00e7as entre ISO 15848 e TA-Luft | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/api6d-testing-procedure-double-block-bleed-versus-double-isolation-bleed-zeco.html\/\">API6D, Procedimento de Teste e Duplo Bloqueio e Sangramento versus Duplo Isolamento e Sangramento | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/now-thats-team-work-zeco.html\/\">Agora isso \u00e9 trabalho em equipe | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/fugitive-emission-certified-valves-in-stock-iso-15848-api-622-624-zeco.html\/\">V\u00c1LVULAS CERTIFICADAS PARA EMISS\u00c3O FUGITIVA EM ESTOQUE ISO 15848, API 622\/624 | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/spring-return-deadman-handle-for-quarter-turn-valves-ex-stock-zeco.html\/\">Al\u00e7a Deadman de retorno por mola para v\u00e1lvulas de um quarto de volta \u2013 estoque dispon\u00edvel! | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/explosive-decompression-of-o-rings-in-trunnion-ball-valves-zeco.html\/\">Descompress\u00e3o explosiva de an\u00e9is de veda\u00e7\u00e3o em v\u00e1lvulas de esfera munh\u00e3o | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/australian-pipeline-valve-were-certified-zeco.html\/\">V\u00e1lvula Australiana para Oleodutos \u2013 Somos certificados! | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/large-trunnion-ball-valve-history-zeco.html\/\">Hist\u00f3ria da v\u00e1lvula esfera munh\u00e3o grande | Zeco<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/zecovalve.com\/pt\/tip-of-the-day-90-degree-orientated-gate-valves-zeco.html\/\">Dica do dia \u2013 V\u00e1lvulas gaveta orientadas a 90 graus | Zeco<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>As principais pe\u00e7as da v\u00e1lvula incluem dois tipos de fun\u00e7\u00f5es, uma delas \u00e9 a reten\u00e7\u00e3o de press\u00e3o, que inclui um corpo da v\u00e1lvula, castelo ou tampa, parafuso da tampa, disco,\u2026 <a title=\"O que \u00e9 guarni\u00e7\u00e3o de v\u00e1lvula? Tabela de internos de v\u00e1lvula API 600\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/updated-api-trim-chart-applications-zeco.html\" aria-label=\"Mais em O que \u00e9 Valve Trim? Tabela de internos de v\u00e1lvula API 600\">Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":16347,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[3625,3621,3626,3622,328,3627,2276,3623,3624],"class_list":["post-1743","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-api-600-trim-chart","tag-api-trim-12","tag-api-trim-chart","tag-api-valve-trim","tag-trim","tag-trim-valve","tag-valve-trim","tag-valve-trim-chart","tag-valve-trim-table","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/zeco-china-valve-1024x365.jpg",1024,365,true],"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":3625,"name":"api 600 trim chart","slug":"api-600-trim-chart","term_group":0,"term_taxonomy_id":3625,"taxonomy":"post_tag","description":"","parent":0,"count":3,"filter":"raw"},{"term_id":3621,"name":"API Trim 12","slug":"api-trim-12","term_group":0,"term_taxonomy_id":3621,"taxonomy":"post_tag","description":"<!-- 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 API TRIM 12 INFORMATION<\/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-api-valve-trim\">What is API Valve Trim?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe removable and replaceable valve internal parts that come in contact with the flow medium are collectively termed Valve trim. These parts include valve seat(s), disc, glands, spacers, guides, bushings, and internal springs. The valve body, bonnet, packing, et cetera that also come in contact with the flow medium are not considered valve trim.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA Valve's trim performance is determined by the disk and seat interface and the relation of the disk position to the seat. Because of the trim, basic motions and flow control are possible. In rotational motion trim designs, the disk slides closely past the seat to produce a change in flow opening. In linear motion trim designs, the disk lifts perpendicularly away from the seat so that an annular orifice appears.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nValve trim parts may be constructed of assorted materials because of the different properties needed to withstand different forces and conditions. Bushings and packing glands do not experience the same forces and conditions as the valve disc and seat(s).\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nFlow-medium properties, chemical composition, pressure, temperature, flow rate, velocity, and viscosity are some of the important considerations in selecting suitable trim materials. Trim materials may or may not be the same material as the valve body or bonnet.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>VALVE TRIM TABLE<\/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<thead>\r\n<tr>\r\n<th>Trim<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Material<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Seat<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Disk<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Backseat<\/th>\r\n<th class=\"has-text-align-center\" data-align=\"center\">Stem<\/th>\r\n<th>Notes<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>1<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>2<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>3<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">F310<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">310<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">310<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">310<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">310<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>4<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td>seats 750BHN Min.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>5A<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>6<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410 and Cu-Ni<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Cu-Ni<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>7<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410 and Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Hard 410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td>seats 750BHN Min.<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>8<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>8A<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Ni-Cr<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">410<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>9<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>10<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>11<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Monel<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>12<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>13<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>14<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>15<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">304<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>16<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">316<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>17<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">347 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">347<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">347<\/td>\r\n<td><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>18<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20 and Hardfaced<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Stellite<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td class=\"has-text-align-center\" data-align=\"center\">Alloy 20<\/td>\r\n<td><\/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>API Valve Trim Chart<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27082,\"sizeSlug\":\"large\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-large\"><img class=\"wp-image-27082\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/09\/api-trim-number-chart-1024x989.jpg\" alt=\"\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:heading -->\r\n<h2>API Trim 12 &amp; API Trim 10<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTrim 10 is 316 stainless on both seat surfaces and 316 stem\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTrim 12 is 316 stem, one seat surface 316, and one seat stellite #6 (hard faced)\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nNeither trim allows 304 stainless.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTypically people want the \"upgrade\" to trim 12 due to wear concerns and wanting to avoid galling by having dissimilar metals in seating contact. I would not assume somebody will accept trim 10 over trim 12.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nMost likely a CF8 (304) valve will have API trim 2 (Not trim 10) which is 304 stainless on both seat surfaces and 304 stems.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAPI does not have a trim number for 304 with half satellite so often customers may say \"trim 12\" when what they really want is an all 304 stainless valve with one side hard-faced seat.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>What Are the Different Valve Trim Levels?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nValve trim levels range from AA through HH, and there are specific differences for each of these. Trim levels will determine the most suitable application for your needs and the required materials for the internal components of the valve.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe components affected by trim level changes include the:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Body<\/li>\r\n \t<li>Bonnet<\/li>\r\n \t<li>Gate<\/li>\r\n \t<li>Seat<\/li>\r\n \t<li>Stem<\/li>\r\n \t<li>Bonnet seal ring gasket<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level AA<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAA is your general non-corrosive trim level. The material used in the AA trim level is 4130 for all components with the bonnet seal ring gasket being 1018.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level BB<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nBB is used in a general and slightly corrosive environment. The body and bonnet will be made from 4130, the gate and seat will be 410 Stainless Steel, it will have a 17-4 Stainless Steel Stem, and a 316 Stainless Steel bonnet seal ring gasket.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level CC<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe CC valve trim type is used in a general, moderately corrosive environment with CO2. The body, bonnet, gate, and seats will all be 410 Stainless Steel. The stem will be made from 17-4 Stainless Steel, while the bonnet seal ring gasket will be 316 Stainless Steel.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level DD<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nDD-NL and DD-0.5 valve trim types are for sour, non-corrosive environments. All components in both trim levels are 4130 with the only difference being that DD-0.5 has a 17-4 Stainless Steel stem whereas the NL will most likely have a 4130 stem.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level EE<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nEE trim levels, like DD trim levels, are used in sour environments. EE-0.5 is used when the environment is slightly corrosive. EE-1.5 is used in highly corrosive environments with moderately abrasive CO2 present, and EE-NL is suitable when highly abrasive CO2 is present.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIn all EE Trim levels, the body and bonnet are made from 4130 material. All gates, seats, and bonnet seal ring gaskets are Stainless Steel, with the gate and seats being 410 Stainless Steel and the bonnet seal ring gasket being 316 Stainless Steel. The difference in EE trim levels is the material used for the stems:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>EE-0.5 uses a stem made from 17-4 Stainless Steel.<\/li>\r\n \t<li>EE-1.5 uses a stem made from 410 Stainless Steel.<\/li>\r\n \t<li>EE-NL uses either an Inconel 718 or a Nitronic 50 stem.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level FF<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nFF Trim levels are also used in a sour environment. FF-0.5 is for moderately corrosive environments with H2S. FF-1.5 and FF-NL are for highly corrosive environments with CO2 and H2S. The body, bonnet, gate, and seats are all made from 410 Stainless Steel, and the bonnet gasket is made of 316 Stainless Steel. The only part that is different between the three FF trim levels is the stem:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>For FF-0.5 the stem is made from 17-4 Stainless Steel.<\/li>\r\n \t<li>FF-1.5 uses a 410 Stainless Steel stem.<\/li>\r\n \t<li>FF-NL uses either an Inconel 718 or a Nitronic 50 stem.<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim Level HH<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe last trim level is HH-NL, which is used in a highly corrosive and extreme service environment. The body and bonnet are both made from 4130 and have a 625 inlay throughout. The gate, seat, and stem are all made from 718 Inconel, and the bonnet seal ring gasket is 316 Stainless Steel.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":3,"filter":"raw"},{"term_id":3626,"name":"api trim chart","slug":"api-trim-chart","term_group":0,"term_taxonomy_id":3626,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":3622,"name":"api valve trim","slug":"api-valve-trim","term_group":0,"term_taxonomy_id":3622,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":328,"name":"trim","slug":"trim","term_group":0,"term_taxonomy_id":328,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":3627,"name":"trim valve","slug":"trim-valve","term_group":0,"term_taxonomy_id":3627,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2276,"name":"valve trim","slug":"valve-trim","term_group":0,"term_taxonomy_id":2276,"taxonomy":"post_tag","description":"","parent":0,"count":2,"filter":"raw"},{"term_id":3623,"name":"Valve Trim Chart","slug":"valve-trim-chart","term_group":0,"term_taxonomy_id":3623,"taxonomy":"post_tag","description":"<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_45013a-e2\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-valve-trim\">What is Valve Trim?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe trim, particularly the mating elements that regulate the stream to the controller\u2019s demands, is at the heart of the control valve. Each process is distinct in its own right, necessitating particular flow control features. Valve trim includes the stem, plug, disc, seating surface, etc. It\u2019s also the plug and seat arrangement\u2019s actual shape. The flow properties of the valve are determined by the shape of the valve plug.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nType of Valves Valve Trims\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>Angle Valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Stem, Seat, Disc, Disc nut, back-seat bushing<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/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>Gate Valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Stem, Seat, Wedge, back-seat bushing<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/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>Globe Valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Stem, Disc, Seat, Disc nut, back-seat bushing<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/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>Disc Valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Disc, Disc nut, back-seat bushing<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/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>Lift check valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Seat ring, Disc, Disc guide<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/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>Swing check valves <!-- wp:list -->\r\n<ul>\r\n \t<li style=\"list-style-type: none\">\r\n<ul><!-- wp:list-item -->\r\n \t<li>Seat ring, Disc, Disc nut, Disc nut pin, Disc holder, Disc holder pin, side plug, carrier pin<\/li>\r\n<\/ul>\r\n<\/li>\r\n<\/ul>\r\n<!-- \/wp:list-item -->\r\n\r\n<!-- \/wp:list --><\/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 {\"level\":3} -->\r\n<h3>Valve Trim - Disc<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe first valve trim part is a disc. The disc is the part that allows, throttles, or stops fluid flow depending on its position. Types of disks define the name of the valve such as gate, ball, plug, and needle valve\u2019s disk are also of the same shape as the name.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA valve disc could be cast, forged, or fabricated. The valve disk is sometimes required hard facing to improve wear resistance. The disk needed a smooth machine surface to reduce friction with the seat. The valve disk is a pressure-retaining part.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThat means the disk holds the pressure. When the valve is open, the disc does not perform pressure-retaining or -containing functions. However, when the valve is closed, the disc performs pressure-retaining functions.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA disc rests against the stationary valve seat when the valve is in the closed position. It can be moved away from the seat by the movement of the stem. However, in check and safety-relief valves, fluid flow and pressure move the disc away from the seat.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Seat<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe seat provides the seating surface for the disk. Here, you can see the gate valve seat in the above image. A valve may have multiple seats. In the case of a globe valve and swing check valve, there is one seat. A gate valve and ball valve have two seats; one on the upstream side and the other on the downstream side.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe valve leakage rate is directly proportional to the effectiveness of the seal between the valve disc and seat(s). Valve seats may be integral or replaceable rings. Valves are generally provided with a screwed, welded, or integrally cast or forged seat and hardened by heat treatment or by the hard facing of Stellite weld overlay.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA fine surface finish for the seating area is necessary for proper sealing. Some ball valves &amp; plug valves used the non-metallic seat for non-critical services. Valve manufacturers have developed several designs of combination valve seats involving elastomer and metal seats that are effective in achieving the desired leak tightness, which cannot be achieved only by metal seats.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Back Seat<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAnother component of the valve that does not maintain pressure is the back seat. A stem shoulder serves as the foundation of the back seat. The stem creates a seal when it is fully extended. As a result, the valve shell\u2019s leaking into the packaging chamber, and the environment is stopped.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Stem<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe stem connects the actuator and disk. It moves and positions the valve disk. The valve stem transports the required motion to the disc, plug, or ball for opening, closing, or positioning the valve. The stem connects the actuator, handwheel, or lever of the valve at one end and the disc on the other end.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIn gate and globe valves, the linear motion of the disc opens or closes the valve, while in the plug, ball, and butterfly valves, the disc rotates to open or shut the valve. Stems are typically forged from stainless steel and connected to the disk by threaded or welded joints.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Yoke<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nYoke is another name for yoke arms. A yoke connects the valve\u2019s actual mechanism to the valve body or bonnet. The yoke and the bonnet are built as a single piece to cover multiple valves. The yoke nut and yoke bushing are located on the top side of the yoke.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe Yoke is constructed tough enough to endure the forces, moments, and torque generated by the actuators.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Valve Trim - Yoke Brushings<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nIt is the area where the valve stem enters through the top of the yoke and the internally threaded nut is held in place. Depending on which way the nut is rotated, the stem moves up and down in certain valves, such as gate and diaphragm valves. The yoke nut is positioned permanently over some valves, and the stem is rotated via it.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe yoke bushings are composed of softer material than the stem in order to need the least amount of effort to operate. On the valves that need a lot of effort to open or close, anti-freeze yoke sleeve bearings are provided. By doing this, the friction between the yoke bushing and the toughened stem will be reduced.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Valve Trim Chart<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe removable and replaceable valve internal parts that come in contact with the flow medium are collectively termed as Valve trim. These parts include valve seat(s), disc, glands, spacers, guides, bushings, and internal springs. The valve body, bonnet, packing, et cetera that also come in contact with the flow medium are not considered valve trim.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nA Valve's trim performance is determined by the disk and seat interface and the relation of the disk position to the seat. Because of the trim, basic motions, and flow control are possible. In rotational motion trim designs, the disk slides closely past the seat to produce a change in flow opening. In linear motion trim designs, the disk lifts perpendicularly away from the seat so that an annular orifice appears.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nValve trim parts may be constructed of assorted materials because of the different properties needed to withstand different forces and conditions. Bushings and packing glands do not experience the same forces and conditions as the valve disc and seat(s).\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nFlow-medium properties, chemical composition, pressure, temperature, flow rate, velocity, and viscosity are some of the important considerations in selecting suitable trim materials. Trim materials may or may not be the same material as the valve body or bonnet.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":3,"filter":"raw"},{"term_id":3624,"name":"valve trim table","slug":"valve-trim-table","term_group":0,"term_taxonomy_id":3624,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":3625,"label":"api 600 trim chart"},{"value":3621,"label":"API Trim 12"},{"value":3626,"label":"api trim chart"},{"value":3622,"label":"api valve trim"},{"value":328,"label":"trim"},{"value":3627,"label":"trim valve"},{"value":2276,"label":"valve trim"},{"value":3623,"label":"Valve Trim Chart"},{"value":3624,"label":"valve trim table"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Valve Trim? 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