{"id":4720,"date":"2024-07-15T12:27:33","date_gmt":"2024-07-15T12:27:33","guid":{"rendered":"https:\/\/sinovalveco.com\/product\/lubricated-plug-valve\/"},"modified":"2024-08-16T13:18:57","modified_gmt":"2024-08-16T13:18:57","slug":"lubricated-plug-valve","status":"publish","type":"product","link":"https:\/\/ntgdvalve.com\/fr\/lubricated-plug-valve\/","title":{"rendered":"Robinet \u00e0 boisseau conique lubrifi\u00e9"},"content":{"rendered":"<p><span style=\"font-size: 14pt;\">Les robinets \u00e0 tournant conique lubrifi\u00e9s peuvent \u00eatre divis\u00e9s en robinets \u00e0 tournant conique lubrifi\u00e9s conventionnels et en robinets \u00e0 tournant conique \u00e0 pression \u00e9quilibr\u00e9e. La graisse sp\u00e9ciale est inject\u00e9e par le haut du corps du clapet entre le trou du c\u00f4ne du clapet et le corps du clapet, formant un film d'huile pour r\u00e9duire le couple d'ouverture et de fermeture du clapet, augmenter l'\u00e9tanch\u00e9it\u00e9 et la dur\u00e9e de vie. La pression de fonctionnement peut atteindre 420MPa, avec une temp\u00e9rature de fonctionnement maximale de 325\u2103 et une taille maximale de 600mm.<\/span><\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-post-1169 wp-image-1575 entered lazyloaded\" src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/07\/image007-1.png\" alt=\"Robinet \u00e0 boisseau conique d&#039;\u00e9quilibrage de pression\" width=\"320\" height=\"343\" data-lazy-src=\"https:\/\/i0.wp.com\/www.ntgdvalve.com\/wp-content\/uploads\/2020\/07\/image007-1.png\" data-ll-status=\"loaded\" \/><\/p>\n<h4><\/h4>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #0a0a0a;color:#0a0a0a\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #0a0a0a;color:#0a0a0a\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ntgdvalve.com\/fr\/lubricated-plug-valve\/#1_Conventional_oil_lubricated_plug_valve\" >1. Robinet \u00e0 boisseau conique conventionnel lubrifi\u00e9 \u00e0 l'huile<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ntgdvalve.com\/fr\/lubricated-plug-valve\/#2_Pressure_balanced_lubricated_plug_valve\" >2. Robinet \u00e0 boisseau conique lubrifi\u00e9 \u00e0 pression \u00e9quilibr\u00e9e<\/a><\/li><\/ul><\/nav><\/div>\n<h4><span class=\"ez-toc-section\" id=\"1_Conventional_oil_lubricated_plug_valve\"><\/span><span id=\"1_Conventional_oil_lubricated_plug_valve\"><span style=\"font-size: 18pt;\"><strong><span style=\"color: #0000ff;\">1. Robinet \u00e0 boisseau conique conventionnel lubrifi\u00e9 \u00e0 l'huile<\/span><\/strong><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 14pt;\">A. Pour les robinets \u00e0 tournant conique \u00e0 si\u00e8ge m\u00e9tallique conventionnel, la position d'installation du c\u00f4ne de clapet est positive. Afin de r\u00e9duire le frottement entre le corps du robinet et la surface d'\u00e9tanch\u00e9it\u00e9 du clapet, le robinet utilise g\u00e9n\u00e9ralement la structure d'\u00e9tanch\u00e9it\u00e9 du si\u00e8ge lubrifi\u00e9 \u00e0 la graisse d'\u00e9tanch\u00e9it\u00e9. L'huile d'\u00e9tanch\u00e9it\u00e9 haute pression inject\u00e9e par la buse d'huile haute pression forme un anneau d'\u00e9tanch\u00e9it\u00e9 haute pression autour du clapet, c'est-\u00e0-dire qu'il y a une couche de film d'huile entre le corps de vanne et la surface d'\u00e9tanch\u00e9it\u00e9 du c\u00f4ne de clapet, qui peut \u00eatre scell\u00e9e et lubrifi\u00e9e, et facile \u00e0 ouvrir et \u00e0 fermer.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">B. Afin de r\u00e9duire davantage le couple d'ouverture et de fermeture du robinet \u00e0 boisseau conique lubrifi\u00e9, on utilise g\u00e9n\u00e9ralement la m\u00e9thode de r\u00e9duction du diam\u00e8tre du clapet, ce qui fait que le robinet \u00e0 boisseau conique lubrifi\u00e9 utilise g\u00e9n\u00e9ralement une voie d'\u00e9coulement rectangulaire. Cette m\u00e9thode augmente la r\u00e9sistance au fluide du robinet \u00e0 tournant conique tout en r\u00e9duisant le couple d'ouverture et de fermeture du robinet \u00e0 tournant conique.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">C. La partie \u00e9tanche du c\u00f4ne du bouchon est soud\u00e9e avec un alliage STL ou adopte une technologie de durcissement de la surface pour am\u00e9liorer la r\u00e9sistance \u00e0 l'usure et \u00e0 la corrosion de la surface d'\u00e9tanch\u00e9it\u00e9, et la dur\u00e9e de vie est longue.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">D. La surface du c\u00f4ne du robinet est finement rectifi\u00e9e pour obtenir une surface miroir, et la surface d'\u00e9tanch\u00e9it\u00e9 du corps du robinet est rectifi\u00e9e, ce qui permet d'obtenir un couple d'ouverture et de fermeture plus faible.<\/span><\/p>\n<h4><\/h4>\n<h4><span class=\"ez-toc-section\" id=\"2_Pressure_balanced_lubricated_plug_valve\"><\/span><span id=\"2_Pressure_balanced_lubricated_plug_valve\"><span style=\"font-size: 18pt;\"><strong><span style=\"color: #0000ff;\">2. Robinet \u00e0 boisseau conique lubrifi\u00e9 \u00e0 pression \u00e9quilibr\u00e9e<\/span><\/strong><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p><span style=\"font-size: 14pt;\">Afin de r\u00e9duire le couple des robinets \u00e0 tournant conique conventionnels \u00e0 si\u00e8ge m\u00e9tallique, on utilise souvent des robinets \u00e0 tournant conique lubrifi\u00e9s \u00e0 pression \u00e9quilibr\u00e9e. Outre les caract\u00e9ristiques des robinets \u00e0 tournant conique conventionnels lubrifi\u00e9s \u00e0 l'huile, les robinets \u00e0 tournant conique \u00e0 pression \u00e9quilibr\u00e9e pr\u00e9sentent \u00e9galement les caract\u00e9ristiques suivantes :<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">A. Le c\u00f4ne de clapet du robinet \u00e0 tournant conique lubrifi\u00e9 \u00e0 pression \u00e9quilibr\u00e9e est mont\u00e9 en position invers\u00e9e. La partie sup\u00e9rieure du c\u00f4ne de clapet est \u00e9quip\u00e9e d'un clapet anti-retour. Lorsque le robinet est ferm\u00e9, en raison de la diff\u00e9rence entre les zones de coupe sup\u00e9rieure et inf\u00e9rieure du c\u00f4ne de clapet, l'huile d'\u00e9tanch\u00e9it\u00e9 haute pression inject\u00e9e entra\u00eene le soul\u00e8vement du corps de clapet, ce qui permet d'am\u00e9liorer l'\u00e9tanch\u00e9it\u00e9 entre le corps de clapet et la surface d'\u00e9tanch\u00e9it\u00e9 du robinet.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">B. Au moment de l'ouverture de la vanne, la pression dans la chambre inf\u00e9rieure du corps de vanne est \u00e9quilibr\u00e9e avec la pression du fluide dans la canalisation. L'huile d'\u00e9tanch\u00e9it\u00e9 haute pression dans la chambre sup\u00e9rieure pousse le corps de clapet vers le bas, et un l\u00e9ger espace appara\u00eet entre le c\u00f4ne du clapet et la surface d'\u00e9tanch\u00e9it\u00e9 du corps de vanne, le couple du corps de clapet en rotation est efficacement r\u00e9duit.<\/span><\/p>\n<p><span style=\"font-size: 14pt;\">C. Dans des conditions de temp\u00e9rature \u00e9lev\u00e9e, la dilatation thermique du clapet peut \u00eatre absorb\u00e9e par sa mont\u00e9e et sa descente. Le robinet \u00e0 tournant conique lubrifi\u00e9 \u00e0 l'huile, bien que l'utilisation de la lubrification \u00e0 l'huile puisse r\u00e9duire de mani\u00e8re appropri\u00e9e le couple d'ouverture et de fermeture, est susceptible de polluer le fluide. Par cons\u00e9quent, le lubrifiant \u00e9tanche est s\u00e9lectionn\u00e9 en fonction des conditions de fonctionnement r\u00e9elles.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>\u203b Balance de pression lubrifi\u00e9e \u00e0 l'huile<br \/>\n\u203b Gamme de tailles : NPS 2 \u00e0 NPS 32<br \/>\n\u203b Gamme de pression : 150LB \u00e0 2500LB<br \/>\n\u203b Conception STD.. : API599\/ API6D<br \/>\n\u203b Fabricant et fournisseur de robinets \u00e0 tournant conique lubrifi\u00e9s<\/p>","protected":false},"featured_media":6537,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","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":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","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":[92],"product_tag":[],"class_list":["post-4720","product","type-product","status-publish","has-post-thumbnail","product_cat-plug-valve","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","featured","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/product\/4720","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/comments?post=4720"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/media\/6537"}],"wp:attachment":[{"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/media?parent=4720"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/product_brand?post=4720"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/product_cat?post=4720"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ntgdvalve.com\/fr\/wp-json\/wp\/v2\/product_tag?post=4720"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}