{"id":3187,"date":"2023-01-14T10:14:58","date_gmt":"2023-01-14T09:14:58","guid":{"rendered":"https:\/\/gf-eez.com\/de-werking-van-drukhoudventielen-ze-houden-de-druk-aan-de-ingangszijde-constant\/"},"modified":"2023-03-30T13:22:59","modified_gmt":"2023-03-30T12:22:59","slug":"fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante","status":"publish","type":"post","link":"https:\/\/gf-eez.com\/fr\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\/","title":{"rendered":"Fonctionnement des vannes de maintien de pression"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3187\" class=\"elementor elementor-3187 elementor-2318\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-19355dc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"19355dc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-76e6183\" data-id=\"76e6183\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a5919e4 elementor-widget elementor-widget-image\" data-id=\"a5919e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"677\" src=\"https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/GF-Drukhoudventiel-582.jpg\" class=\"attachment-large size-large wp-image-5903\" alt=\"vannes de maintien de pression\" srcset=\"https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/GF-Drukhoudventiel-582.jpg 1024w, https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/GF-Drukhoudventiel-582-300x198.jpg 300w, https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/GF-Drukhoudventiel-582-768x508.jpg 768w, https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/GF-Drukhoudventiel-582-370x245.jpg 370w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1828c7e8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1828c7e8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3cda17a5\" data-id=\"3cda17a5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-49ba3f26 elementor-widget elementor-widget-text-editor\" data-id=\"49ba3f26\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div><p><span lang=\"FR-BE\">Les<b> vannes de maintien de pression <\/b>s\u2019assurent que la pression \u00e0 l\u2019entr\u00e9e de la vanne demeure constante. Elles sont utilis\u00e9es lorsque la pression du syst\u00e8me doit demeurer constante ou qu\u2019une contrepression d\u00e9finie doit \u00eatre g\u00e9n\u00e9r\u00e9e contre les <b>pompes d\u2019alimentation<\/b>. Elles \u00e9quilibrent la pulsation de pression et r\u00e9duisent les pics de pression. Si la vanne est install\u00e9e sur la d\u00e9rivation d\u2019un <b>raccord en T<\/b>, elle peut \u00eatre utilis\u00e9e comme <b>vanne de trop-plein<\/b> ou <b>vanne de surpression<\/b>.<\/span><\/p><p><span style=\"letter-spacing: -0.01em;\">La pression d\u00e9sir\u00e9e est r\u00e9gl\u00e9e au niveau de l\u2019entr\u00e9e de la vanne au moyen de la force du ressort r\u00e9glable. Si la pression d\u2019entr\u00e9e augmente au-dessus de la valeur r\u00e9gl\u00e9e, par ex. en raison du d\u00e9bit excessif de la pompe, le piston de la vanne est soulev\u00e9 contre la force du ressort. En cons\u00e9quence la vanne s\u2019ouvre et la pression d\u2019entr\u00e9e est r\u00e9duite par la conduite de sortie. Si la pression d\u2019entr\u00e9e descend en de\u00e7\u00e0 de la valeur de consigne, le <\/span><b style=\"letter-spacing: -0.01em;\">clapet <\/b><span style=\"letter-spacing: -0.01em;\">que contient la vanne est repouss\u00e9 vers le bas par la force qu\u2019exerce le ressort. Le clapet se referme et la pression augmente \u00e0 l\u2019entr\u00e9e de la vanne. Une pression constante est ainsi maintenue dans la conduite d\u2019entr\u00e9e.<\/span><\/p><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-358609b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"358609b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d864078\" data-id=\"d864078\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7970345 elementor-widget elementor-widget-video\" data-id=\"7970345\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;video_type&quot;:&quot;hosted&quot;,&quot;start&quot;:41,&quot;end&quot;:94,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-hosted-video elementor-wrapper elementor-open-inline\">\n\t\t\t\t\t<video class=\"elementor-video\" src=\"http:\/\/gf-eez.com\/wp-content\/uploads\/2020\/06\/3Danimation-valve852-856.mp4#t=41,94\" controls=\"\" preload=\"metadata\" controlsList=\"nodownload\" poster=\"http:\/\/gf-eez.com\/wp-content\/uploads\/2020\/06\/GF-86483.jpg\"><\/video>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2779033 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2779033\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e2ee863\" data-id=\"e2ee863\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8eeeff0 elementor-widget elementor-widget-text-editor\" data-id=\"8eeeff0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div>\n<p><strong><i><span lang=\"FR-BE\">Fonctionnement, sens d\u2019\u00e9coulement et mise au point d\u2019une vanne \u00e0 r\u00e9glage automatique ou vanne de r\u00e9gulation de la pression GF type 582 ou GF type 586<\/span><\/i><\/strong><\/p>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0e7e846 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0e7e846\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-aec8ee5\" data-id=\"aec8ee5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f4441ca elementor-widget elementor-widget-text-editor\" data-id=\"f4441ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div><span lang=\"FR-BE\">Pour plus d\u2019informations concernant le fonctionnement des <b>vannes de r\u00e9duction de pression<\/b>, lisez \u00e9galement\u00a0<\/span><a href=\"https:\/\/gf-eez.com\/fr\/fonctionnement-des-vannes-de-reduction-de-pression-ces-vannes-maintiennent-la-pression-de-sortie-a-une-valeur-constante\/\"><span lang=\"FR-BE\">cet article<\/span><\/a><a href=\"https:\/\/gf-eez.com\/de-werking-van-drukhoudventielen-ze-houden-de-druk-aan-de-ingangszijde-constant\/\"><span lang=\"FR-BE\">.<\/span><\/a><span lang=\"FR-BE\">\u00a0<\/span><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Les vannes de maintien de pression s\u2019assurent que la pression \u00e0 l\u2019entr\u00e9e de la vanne demeure constante. Elles sont utilis\u00e9es lorsque la pression du syst\u00e8me doit demeurer constante ou qu\u2019une contrepression d\u00e9finie doit \u00eatre g\u00e9n\u00e9r\u00e9e contre les pompes d\u2019alimentation. Elles \u00e9quilibrent la pulsation de pression et r\u00e9duisent les pics de pression. Si la vanne est &hellip;<\/p>\n","protected":false},"author":4,"featured_media":3188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[106,109],"tags":[49,181,182,173,184,50],"hashtags":[],"class_list":["post-3187","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actionneurs","category-robinetterie","tag-drukhoudventiel","tag-maintien-de-pression","tag-pression-dentree","tag-vannes","tag-vannes-auto-regulantes","tag-zelfregelende-kleppen","has-thumb","has-featured"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fonctionnement des vannes de maintien de pression &#8211; GF EEZ<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment fonctionnent les vannes de maintien de pression, comment elles assurent le maintien de la pression \u00e0 l&#039;entr\u00e9e de la vanne.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/gf-eez.com\/fr\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fonctionnement des vannes de maintien de pression &#8211; GF EEZ\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez comment fonctionnent les vannes de maintien de pression, comment elles assurent le maintien de la pression \u00e0 l&#039;entr\u00e9e de la vanne.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/gf-eez.com\/fr\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\/\" \/>\n<meta property=\"og:site_name\" content=\"GF - Expert Engineering Zone\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-14T09:14:58+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-03-30T12:22:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/gf-eez.com\/wp-content\/uploads\/2020\/06\/GF-Drukreduceerventiel-582.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1518\" \/>\n\t<meta property=\"og:image:height\" content=\"853\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"David Boonen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"David Boonen\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/gf-eez.com\\\/fr\\\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/gf-eez.com\\\/fr\\\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\\\/\"},\"author\":{\"name\":\"David Boonen\",\"@id\":\"https:\\\/\\\/gf-eez.com\\\/fr\\\/#\\\/schema\\\/person\\\/02b10f56e3f3a8a5585f98bf62c73b93\"},\"headline\":\"Fonctionnement des vannes de maintien de pression\",\"datePublished\":\"2023-01-14T09:14:58+00:00\",\"dateModified\":\"2023-03-30T12:22:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/gf-eez.com\\\/fr\\\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\\\/\"},\"wordCount\":294,\"publisher\":{\"@id\":\"https:\\\/\\\/gf-eez.com\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/gf-eez.com\\\/fr\\\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/gf-eez.com\\\/wp-content\\\/uploads\\\/2020\\\/06\\\/GF-Drukreduceerventiel-582.jpg\",\"keywords\":[\"drukhoudventiel\",\"maintien de pression\",\"pression d'entr\u00e9e\",\"Vannes\",\"vannes auto-r\u00e9gulantes\",\"zelfregelende kleppen\"],\"articleSection\":[\"Actionneurs\",\"Robinetterie\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/gf-eez.com\\\/fr\\\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\\\/\",\"url\":\"https:\\\/\\\/gf-eez.com\\\/fr\\\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\\\/\",\"name\":\"Fonctionnement des vannes de maintien de pression &#8211; 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