{"id":3671,"count":8,"description":"<!-- wp:generateblocks\/button-container {\"uniqueId\":\"f8260ba6\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"e4f70767\",\"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-e4f70767 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>OBTENIR DES INFORMATIONS SUR LA DIRECTION DU D\u00c9BIT DE LA VANNE GLOBE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_d5c49d-10\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2>Direction du d\u00e9bit du robinet \u00e0 soupape<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n<a href=\"https:\/\/zecovalve.com\/fr\/categorie-de-produits\/globe-valve\/\">Vannes \u00e0 soupape<\/a> sont devenues l&#039;une des vannes les plus utilis\u00e9es dans les entreprises de presque tous les secteurs. Et avec leur capacit\u00e9 \u00e0 d\u00e9marrer, arr\u00eater et limiter le d\u00e9bit de fluide dans un pipeline, il est facile de comprendre pourquoi.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nGenerally speaking, the flow of globe vales is from down to up. It means the medium will go through from the disc downside and then out by the upside. Globe valves usually adopt a compulsory sealed design, so closing the valve offer pressure to the disc against the seat. So if you want to open the valve, the globe valve disc must overcome resistance made by stem and packing friction, medium pressure will offer adverse pressure which helps open the valve. It means you can use less force than the closing valve. So the stem diameter should be larger, to avoid stem bending fault. (depending on the metal material's physical performance of the stem ). In recent years, there are more and more valve pressure seals, the medium through the upper disc to the down disc, so the close valve force is smaller than the open valve force, valve shaft diameter is allowed to be smaller.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nMais certains avis ne sont pas d&#039;accord, en particulier pour un robinet \u00e0 soupape de plus grande taille (par exemple, une taille sup\u00e9rieure \u00e0 DN250), le robinet \u00e0 soupape adopte g\u00e9n\u00e9ralement un joint de pression de vanne, et compte tenu de la force de fermeture de la vanne, il est facile d&#039;atteindre le joint. performance. Mais il convient de prendre en compte la stabilisation de la vanne lorsque le diam\u00e8tre de la tige de la vanne est inf\u00e9rieur au diam\u00e8tre du si\u00e8ge.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nMais comment fonctionnent exactement ces vannes et quelle est la direction du d\u00e9bit de la vanne \u00e0 soupape ?\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Comment fonctionnent les robinets \u00e0 soupape ?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nUn robinet \u00e0 soupape est principalement con\u00e7u pour arr\u00eater, d\u00e9marrer et r\u00e9guler le d\u00e9bit. Il est compos\u00e9 d&#039;un disque mobile et d&#039;un si\u00e8ge annulaire fixe dans un corps g\u00e9n\u00e9ralement sph\u00e9rique. Le si\u00e8ge d&#039;un robinet \u00e0 soupape se trouve au milieu et parall\u00e8lement au tuyau, et l&#039;ouverture du si\u00e8ge est ferm\u00e9e par le disque. Lorsque la poign\u00e9e est tourn\u00e9e, manuellement ou via un actionneur, un disque est abaiss\u00e9 ou relev\u00e9 au moyen de la tige de vanne. Lorsque le disque est compl\u00e8tement abaiss\u00e9, le d\u00e9bit de fluide est coup\u00e9. Lorsque le disque est compl\u00e8tement relev\u00e9, le d\u00e9bit de fluide est \u00e0 son d\u00e9bit maximum. Lorsque le disque est \u00e9lev\u00e9 au-dessous du niveau maximum, le d\u00e9bit de fluide est r\u00e9gul\u00e9 proportionnellement \u00e0 la course verticale du disque.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-globe-valve-flow-direction\"><strong>Direction du d\u00e9bit du robinet \u00e0 soupape<\/strong><\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n-Pour les applications \u00e0 basse temp\u00e9rature, les vannes \u00e0 soupape et \u00e0 angle sont g\u00e9n\u00e9ralement install\u00e9es de mani\u00e8re \u00e0 ce que la pression soit sous le disque. Cela favorise une utilisation facile, aide \u00e0 prot\u00e9ger la garniture et \u00e9limine une certaine quantit\u00e9 d&#039;action \u00e9rosive sur les faces du si\u00e8ge et du disque.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n-Pour le service de vapeur \u00e0 haute temp\u00e9rature, des vannes \u00e0 soupape sont install\u00e9es de mani\u00e8re \u00e0 ce que la pression soit au-dessus du disque. Sinon, la tige se contractera lors du refroidissement et aura tendance \u00e0 soulever le disque du si\u00e8ge (et \u00e0 fuir).\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Flux \u00e0 ouvrir (FTO)<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nAlso referred to as standard or forward flow, or in globe valves, flow under the seat. Think about when you've controlled the flow of water from a garden hose with your thumb. Your thumb acts like the face of the plug in a globe valve - flow is pushing against your thumb to open a flow path for the water.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Flux de cl\u00f4ture (FTC)<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n\u00c9galement appel\u00e9 flux invers\u00e9 ou dans les vannes \u00e0 soupape, \u00e9coulement sur le si\u00e8ge. Pensez \u00e0 un bouchon de vidange dans une baignoire. Le sens d&#039;\u00e9coulement est vers l&#039;arri\u00e8re ou le haut du bouchon (plut\u00f4t que vers la face), ce qui cr\u00e9e une tendance pour le bouchon \u00e0 se refermer dans le drain.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:image {\"align\":\"center\",\"id\":27401,\"width\":376,\"height\":387,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\r\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img class=\"wp-image-27401\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2023\/02\/GLOBE-VALVE-FTO-FTC.png\" alt=\"\" width=\"376\" height=\"387\" \/><\/figure>\r\n<!-- \/wp:image -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\n<!-- \/wp:paragraph -->","link":"https:\/\/zecovalve.com\/fr\/tag\/globe-valve-flow-direction","name":"Direction du d\u00e9bit du robinet \u00e0 soupape","slug":"globe-valve-flow-direction","taxonomy":"post_tag","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Globe Valve Flow Direction - Globe Valve Direction of Flow | ZECO Valve<\/title>\n<meta name=\"description\" content=\"Globe valves have become one of the most-used valves in companies in almost every industry. 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