{"id":3191,"date":"2023-01-15T12:02:31","date_gmt":"2023-01-15T11:02:31","guid":{"rendered":"https:\/\/gf-eez.com\/de-werking-van-drukreduceerventielen-ze-houden-de-druk-aan-de-uitgangszijde-constant\/"},"modified":"2023-03-28T15:26:56","modified_gmt":"2023-03-28T14:26:56","slug":"fonctionnement-des-vannes-de-reduction-de-pression-ces-vannes-maintiennent-la-pression-de-sortie-a-une-valeur-constante","status":"publish","type":"post","link":"https:\/\/gf-eez.com\/fr\/fonctionnement-des-vannes-de-reduction-de-pression-ces-vannes-maintiennent-la-pression-de-sortie-a-une-valeur-constante\/","title":{"rendered":"Fonctionnement des vannes de r\u00e9duction de pression"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3191\" class=\"elementor elementor-3191 elementor-2336\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0c1d934 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0c1d934\" 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-f982e14\" data-id=\"f982e14\" 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-23f6b2f elementor-widget elementor-widget-image\" data-id=\"23f6b2f\" 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=\"574\" src=\"https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/vanne-reduction-de-pression.jpg\" class=\"attachment-large size-large wp-image-5881\" alt=\"vanne de r\u00e9duction de la pression\" srcset=\"https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/vanne-reduction-de-pression.jpg 1024w, https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/vanne-reduction-de-pression-300x168.jpg 300w, https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/vanne-reduction-de-pression-768x431.jpg 768w, https:\/\/gf-eez.com\/wp-content\/uploads\/2023\/01\/vanne-reduction-de-pression-370x207.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-62e8428a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"62e8428a\" 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-6f37d19b\" data-id=\"6f37d19b\" 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-4c090a2d elementor-widget elementor-widget-text-editor\" data-id=\"4c090a2d\" 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\">Le fonctionnement des <b>vannes de r\u00e9duction de pression<\/b> est diam\u00e9tralement oppos\u00e9 \u00e0 celui des <b>vannes de maintien de pression<\/b>. Les vannes de r\u00e9duction de pression assurent le maintien de la pression de sortie \u00e0 une valeur constante. Elles permettent de compenser les variations de pression et de maintenir un flux constant. Le fonctionnement de cette <b>vanne de r\u00e9gulation <\/b>est \u00e9galement assur\u00e9 par une <b>membrane <\/b>sur laquelle s\u2019exerce la force de rappel d\u2019un ressort sous tension. Si la pression diminue, par exemple en raison d\u2019une augmentation de la demande, la membrane ouvre davantage le <b>clapet <\/b>que contient la vanne en augmentant ce faisant <b>le d\u00e9bit du<\/b> <b>fluide<\/b>. Le clapet se referme d\u00e8s que la pression exerc\u00e9e sur la membrane augmente.<\/span><\/p><\/div><div><p><span lang=\"FR-BE\">La mise au point de ces vannes s\u2019effectue \u00e9galement en ajustant la pr\u00e9tension d\u2019un ressort; mais \u00e0 pr\u00e9sent, il s\u2019agit d\u2019obtenir la pression voulue \u00e0 la sortie de la vanne.\u00a0<\/span><\/p><p><span lang=\"FR-BE\">Si la pression de sortie descend en de\u00e7\u00e0 de la valeur de consigne, par exemple en raison d\u2019un pr\u00e9l\u00e8vement plus important, le clapet que contient la vanne s\u2019ouvre sous l\u2019effet de la force exerc\u00e9e par le ressort sous tension. Si la pression de sortie augmente au point de d\u00e9passer la valeur de consigne, le clapet que contient la vanne est repouss\u00e9 vers le haut en d\u00e9pit de la force exerc\u00e9e par le ressort sous tension. La vanne se referme et la pression de sortie diminue en raison de la r\u00e9duction, voire de l\u2019abandon de tout apport. Ce dispositif permet de maintenir la pression constante souhait\u00e9e dans la <b>conduite d\u2019\u00e9vacuation<\/b>.<\/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-9b0d189 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9b0d189\" 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-6d36342\" data-id=\"6d36342\" 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-0ea671c elementor-widget elementor-widget-video\" data-id=\"0ea671c\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;video_type&quot;:&quot;hosted&quot;,&quot;start&quot;:1,&quot;end&quot;:41,&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=1,41\" controls=\"\" preload=\"metadata\" controlsList=\"nodownload\" poster=\"http:\/\/gf-eez.com\/wp-content\/uploads\/2020\/06\/GF-reduceerventiel-movie.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-03211ef elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"03211ef\" 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-08376db\" data-id=\"08376db\" 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-d110975 elementor-widget elementor-widget-text-editor\" data-id=\"d110975\" 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><b><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><\/b><\/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-24cd539 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"24cd539\" 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-bde09b2\" data-id=\"bde09b2\" 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-1b83d30 elementor-widget elementor-widget-text-editor\" data-id=\"1b83d30\" 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\">Pour plus d\u2019informations concernant le fonctionnement des vannes de maintien de pression, lisez \u00e9galement\u00a0<\/span><a href=\"https:\/\/gf-eez.com\/fr\/fonctionnement-des-vannes-de-maintien-de-pression-ces-vannes-maintiennent-la-pression-dentree-a-une-valeur-constante\/\"><span lang=\"FR-BE\">cet article<\/span><\/a><span lang=\"FR-BE\">.<\/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<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Drukreduceerventielen doen het omgekeerde van drukhoudventielen. Ze zorgen ervoor dat de druk aan de uitgangszijde van het ventiel constant blijft.<\/p>\n","protected":false},"author":4,"featured_media":3193,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"post-templates\/single-layout-2.php","format":"standard","meta":{"content-type":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[106,109],"tags":[128,115,129,186,173,184,185],"hashtags":[],"class_list":["post-3191","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actionneurs","category-robinetterie","tag-drukreduceerventiel-fr","tag-drukregelventiel-2-fr","tag-home-fr","tag-pression-de-sortie","tag-vannes","tag-vannes-auto-regulantes","tag-vannes-de-reduction-de-pression","has-thumb","has-featured"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fonctionnement des vannes de r\u00e9duction de pression &#8211; 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