L'action de commutation \u00e0 deux positions est principalement utilis\u00e9e dans le syst\u00e8me d'alimentation en eau des grands groupes \u00e9lectrog\u00e8nes. C'est un \u00e9quipement important pour pr\u00e9venir la vaporisation de la pompe d'alimentation de chaudi\u00e8re et l'une des vannes de r\u00e9gulation cl\u00e9s dans la centrale \u00e9lectrique. Elle est \u00e9galement couramment utilis\u00e9e dans le p\u00e9trole, la chimie et d'autres applications de contr\u00f4le \u00e0 deux positions avec une forte pression diff\u00e9rentielle.<\/p>\n
Donn\u00e9es techniques\u00a0:<\/p>\n
-DN:80-200
\n-Pression : PN64-420
\nClasse ANSI 900-2500
\n-Norme de raccordement : RF, RJ, BW, joint lentille -Temp\u00e9rature : -17\u2103~+300\u2103 -Caract\u00e9ristiques d'\u00e9coulement : commutation deux positions -\u00c9tanch\u00e9it\u00e9 : classe IV<\/p>\n
Mat\u00e9riau :<\/p>\n
-Corps de vanne : forge 20#
\n\u2013 Garniture : acier inoxydable tremp\u00e9 par nitruration<\/p>\n
Optionnel :<\/p>\n
aucun<\/p>\n
Caract\u00e9ristiques :<\/p>\n
-Corps de vanne droit moul\u00e9 ou droit forg\u00e9, vanne d'angle
\n-Les pi\u00e8ces de manchon peuvent \u00eatre \u00e9quilibr\u00e9es ou non \u00e9quilibr\u00e9es
\n-La surface de r\u00e9gulation est s\u00e9par\u00e9e de la surface d'\u00e9tanch\u00e9it\u00e9, et les surfaces du noyau de vanne, du manchon du noyau de vanne et de la pi\u00e8ce de r\u00e9gulation sont trait\u00e9es par durcissement par infiltration d'ammoniac
\n-Canal d'\u00e9coulement \u00e0 \u00e9tranglement multi-\u00e9tages de type labyrinthe, changeant constamment la direction du fluide, contr\u00f4lant la vitesse du fluide, pr\u00e9venant les dommages dus \u00e0 la cavitation et permettant une pression diff\u00e9rentielle jusqu'\u00e0 30MPa
\n-Toutes les garnitures peuvent \u00eatre d\u00e9mont\u00e9es rapidement<\/p>","protected":false},"excerpt":{"rendered":"
L'action de commutation \u00e0 deux positions est principalement utilis\u00e9e dans le syst\u00e8me d'alimentation en eau des grands groupes \u00e9lectrog\u00e8nes. C'est un \u00e9quipement important pour pr\u00e9venir la vaporisation de la pompe d'alimentation de chaudi\u00e8re et l'une des vannes de r\u00e9gulation cl\u00e9s dans la centrale \u00e9lectrique. Elle est \u00e9galement couramment utilis\u00e9e dans le p\u00e9trole, la chimie et d'autres applications de contr\u00f4le \u00e0 deux positions avec une forte pression diff\u00e9rentielle.<\/p>","protected":false},"featured_media":3741,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[178,196,297],"product_tag":[],"class_list":{"0":"post-3740","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-control-valves","7":"product_cat-power-station-valve","8":"product_cat-power-station-high-differential-pressure-control-valve","9":"desktop-align-left","10":"tablet-align-left","11":"mobile-align-left","12":"ast-product-gallery-layout-horizontal-slider","13":"ast-product-gallery-with-no-image","14":"ast-product-tabs-layout-horizontal","15":"ast-qv-on-image","17":"first","18":"instock","19":"shipping-taxable","20":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/product\/3740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/comments?post=3740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/media\/3741"}],"wp:attachment":[{"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/media?parent=3740"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3740"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3740"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/raymonvalve.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}