{"id":25050,"date":"2026-01-09T10:46:34","date_gmt":"2026-01-09T09:46:34","guid":{"rendered":"https:\/\/stmmedicali.eu\/quadri-riduzione-avsu\/"},"modified":"2026-03-27T10:14:25","modified_gmt":"2026-03-27T09:14:25","slug":"detendeurs-second-stade-avsu","status":"publish","type":"page","link":"https:\/\/stmmedicali.eu\/fr\/detendeurs-second-stade-avsu\/","title":{"rendered":"D\u00e9tendeurs de second stade et AVSU pour gaz m\u00e9dicaux"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"25050\" class=\"elementor elementor-25050 elementor-23751\" data-elementor-post-type=\"page\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-84f944f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"84f944f\" 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-4e772f8\" data-id=\"4e772f8\" 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-11808a3 elementor-widget elementor-widget-text-editor\" data-id=\"11808a3\" 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<p style=\"text-align: left;\">Les <strong>coffrets de seconde d\u00e9tente<\/strong> ont pour fonction d&rsquo;effectuer la r\u00e9duction et la stabilisation de la pression de ligne, en l&rsquo;amenant \u00e0 la pression d&rsquo;utilisation qui est normalement de 4 bar pour les gaz comprim\u00e9s et de 8 bar pour l&rsquo;air moteur. Gr\u00e2ce \u00e0 une configuration en by-pass con\u00e7ue pour garantir la continuit\u00e9 et la rapidit\u00e9 de r\u00e9tablissement, ces dispositifs permettent des temps d&rsquo;intervention r\u00e9duits et une continuit\u00e9 de distribution en cas de dysfonctionnement d&rsquo;un d\u00e9tendeur de pression. Ces caract\u00e9ristiques rendent la s\u00e9rie WR particuli\u00e8rement adapt\u00e9e pour r\u00e9pondre aux exigences r\u00e9glementaires des installations, o\u00f9 la disponibilit\u00e9 constante des gaz th\u00e9rapeutiques est consid\u00e9r\u00e9e comme essentielle pour le maintien des conditions cliniques du patient. Dans ce contexte, chaque <strong>d\u00e9tendeur de second stade pour gaz m\u00e9dicaux<\/strong> est s\u00e9lectionn\u00e9 pour assurer des performances fiables et une gestion s\u00fbre des pressions de service.<br \/>Il existe une version du coffret de seconde d\u00e9tente qui int\u00e8gre, via des vannes d\u00e9di\u00e9es, la fonction de sectionnement des gaz m\u00e9dicaux du compartiment sp\u00e9cifique. La version WRC permet ainsi d&rsquo;optimiser l&rsquo;espace au sein d&rsquo;un service hospitalier.<br \/>L&rsquo;affichage des signaux envoy\u00e9s par les pressostats en cas d&rsquo;anomalie de pression des gaz m\u00e9dicinaux, et par le vacuostat en cas d&rsquo;anomalie de pression du r\u00e9seau d&rsquo;aspiration (vide m\u00e9dical), peut s&rsquo;effectuer :<\/p><ul><li style=\"text-align: left;\">Sur le coffret lui-m\u00eame pour les mod\u00e8les \u00e9quip\u00e9s d&rsquo;une centrale d&rsquo;alarme int\u00e9gr\u00e9e.<\/li><li style=\"text-align: left;\">\u00c0 l&rsquo;ext\u00e9rieur du coffret, \u00e0 r\u00e9aliser par l&rsquo;installateur via un panneau d&rsquo;alarme sonore et visuelle \u00e0 installer \u00e0 proximit\u00e9 de ce dernier. Si le coffret est install\u00e9 dans le sas adjacent au compartiment, une centrale de contr\u00f4le d&rsquo;\u00e9tat des vannes doit \u00e9galement \u00eatre install\u00e9e en plus de la centrale de contr\u00f4le des pressions.<\/li><\/ul><h2 style=\"text-align: left;\">Types de coffrets de sectionnement pour gaz m\u00e9dicaux<\/h2><p style=\"text-align: left;\">Les <strong>coffrets de sectionnement de gaz m\u00e9dicaux<\/strong> de compartiment (QC) sont con\u00e7us pour permettre, au moyen de vannes, l&rsquo;isolement ou le passage des gaz dans un compartiment sp\u00e9cifique. Le <strong>coffret de sectionnement de vannes pour gaz m\u00e9dicaux<\/strong> permet l&rsquo;alimentation de secours du compartiment lui-m\u00eame en y raccordant une bouteille, avec des d\u00e9tendeurs pour gaz m\u00e9dicaux de d\u00e9bit ad\u00e9quat, via un point d&rsquo;alimentation en gaz sp\u00e9cifique situ\u00e9 en aval de chaque unit\u00e9.<\/p><p style=\"text-align: left;\">Les coffrets de sectionnement de gaz m\u00e9dicaux de zone (QA) sont des dispositifs m\u00e9dicaux destin\u00e9s \u00e0 isoler, contr\u00f4ler et, si n\u00e9cessaire, alimenter une zone clinique donn\u00e9e. Pr\u00e9cis\u00e9ment en raison de leur fonction de gestion et de s\u00e9curit\u00e9, les QA doivent \u00eatre install\u00e9s en aval des coffrets de d\u00e9tente, afin d&rsquo;op\u00e9rer sur une ligne d\u00e9j\u00e0 r\u00e9gul\u00e9e et stabilis\u00e9e.<\/p><p style=\"text-align: left;\">En r\u00e9sum\u00e9, les deux types partagent des caract\u00e9ristiques similaires en termes de contr\u00f4le et de s\u00e9curit\u00e9, se diff\u00e9renciant principalement par leur domaine d&rsquo;application, du compartiment \u00e0 la zone clinique.<\/p><h2 style=\"text-align: left;\">AVSU<\/h2><p style=\"text-align: left;\">Les coffrets de sectionnement de gaz m\u00e9dicaux de zone, connus sous le nom d&rsquo;AVSU (Area Valve Service Unit), sont des dispositifs m\u00e9dicaux destin\u00e9s \u00e0 isoler, contr\u00f4ler et, si n\u00e9cessaire, alimenter une zone clinique sp\u00e9cifique. Le syst\u00e8me pr\u00e9voit \u00e9galement la surveillance des anomalies de pression, gr\u00e2ce aux signaux provenant des pressostats\/transducteurs en cas de variations hors seuil des gaz m\u00e9dicinaux, et du vide en cas d&rsquo;anomalie du r\u00e9seau de distribution.<\/p><p style=\"text-align: left;\">L&rsquo;affichage des signaux envoy\u00e9s par les pressostats\/transducteurs peut se faire :<\/p><ul><li style=\"text-align: left;\">Sur le coffret lui-m\u00eame pour les mod\u00e8les pr\u00e9vus avec une centrale d&rsquo;alarme int\u00e9gr\u00e9e.<\/li><li style=\"text-align: left;\">\u00c0 l&rsquo;ext\u00e9rieur du coffret, mis en place par l&rsquo;installateur via un panneau d&rsquo;alarme sonore et visuelle \u00e0 installer \u00e0 proximit\u00e9 de ce dernier. En cas d&rsquo;installation du coffret dans le sas attenant au compartiment, une centrale de contr\u00f4le d&rsquo;\u00e9tat des vannes doit \u00eatre install\u00e9e en plus de la centrale de contr\u00f4le des pressions.<\/li><\/ul>\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-d7b8b48 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d7b8b48\" 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-8a756aa\" data-id=\"8a756aa\" 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-3684305 listing-pagination-border-style-gradient listing-pagination-background-style-solid elementor-widget elementor-widget-neuros_projects_listing\" data-id=\"3684305\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"neuros_projects_listing.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n        <div class=\"neuros-projects-listing-widget\">\n\n            \n            \n            \n            <div class=\"archive-listing\" data-ajax='{&quot;post_type&quot;:&quot;neuros_project&quot;,&quot;post_status&quot;:&quot;publish&quot;,&quot;ignore_sticky_posts&quot;:true,&quot;suppress_filters&quot;:false,&quot;orderby&quot;:&quot;date&quot;,&quot;order&quot;:&quot;desc&quot;,&quot;link_base&quot;:&quot;https:\\\/\\\/stmmedicali.eu\\\/fr\\\/wp-json\\\/wp\\\/v2\\\/pages\\\/25050\\\/&quot;,&quot;neuros_project_category&quot;:[&quot;regolatori-secondo-stadio-gas-medicali&quot;],&quot;posts_per_page&quot;:6,&quot;columns_number&quot;:2,&quot;paged&quot;:1}' data-widget='{&quot;item_class&quot;:&quot;project-item-wrapper&quot;,&quot;columns_number&quot;:2,&quot;listing_type&quot;:&quot;grid&quot;,&quot;text_position&quot;:&quot;inside&quot;,&quot;show_pagination&quot;:&quot;yes&quot;}'>\n                <div class=\"archive-listing-wrapper project-listing-wrapper text-position-inside project-grid-listing columns-2\">\n                    \n<div class=\"project-item-wrapper post-25182 neuros_project type-neuros_project status-publish has-post-thumbnail hentry neuros_project_category-detendeurs-de-second-stade-et-avsu-pour-gaz-medicaux\">\n    <div class=\"project-item\">\n    \t    \t\t\t<a href=\"https:\/\/stmmedicali.eu\/fr\/tableau-de-compartiment-qc\" class=\"project-item-link\">\n\t\t            <span class=\"project-item-media\"><img decoding=\"async\" alt=\"Quadri di compartimento_STM Sistemi Tecnologie medicali\" srcset=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadri-di-compartimento_STM-Sistemi-Tecnologie-medicali.jpg 575w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadri-di-compartimento_STM-Sistemi-Tecnologie-medicali-500x500.jpg 991w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadri-di-compartimento_STM-Sistemi-Tecnologie-medicali.jpg 1340w\" sizes=\"(max-width: 575px) 575px, (max-width: 991px) 991px\" src=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadri-di-compartimento_STM-Sistemi-Tecnologie-medicali.jpg\" class=\"attachment-neuros_portfolio_grid_2_columns size-neuros_portfolio_grid_2_columns wp-post-image\" \/><\/span><span class=\"project-item-content-wrapper\"><span class=\"project-item-content\"><span class=\"post-title\">Tableau de compartiment \u2013 QC<\/span><\/span><\/span>\t\t        <\/a>\n\t\t            \t\t        \n    <\/div>\n<\/div>\n<div class=\"project-item-wrapper post-25187 neuros_project type-neuros_project status-publish has-post-thumbnail hentry neuros_project_category-detendeurs-de-second-stade-et-avsu-pour-gaz-medicaux\">\n    <div class=\"project-item\">\n    \t    \t\t\t<a href=\"https:\/\/stmmedicali.eu\/fr\/tableau-de-sectionnement-de-zone-qa\" class=\"project-item-link\">\n\t\t            <span class=\"project-item-media\"><img decoding=\"async\" alt=\"Quadro di sezionamento Area - QA\" srcset=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/QUADRO-QAGV-DA-ESTERNO_APERTO-2-640x640.jpg 575w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/QUADRO-QAGV-DA-ESTERNO_APERTO-2-500x500.jpg 991w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/QUADRO-QAGV-DA-ESTERNO_APERTO-2-960x960.jpg 1340w\" sizes=\"(max-width: 575px) 575px, (max-width: 991px) 991px\" src=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/QUADRO-QAGV-DA-ESTERNO_APERTO-2-960x960.jpg\" class=\"attachment-neuros_portfolio_grid_2_columns size-neuros_portfolio_grid_2_columns wp-post-image\" \/><\/span><span class=\"project-item-content-wrapper\"><span class=\"project-item-content\"><span class=\"post-title\">Tableau de sectionnement de zone \u2013 QA<\/span><\/span><\/span>\t\t        <\/a>\n\t\t            \t\t        \n    <\/div>\n<\/div>\n<div class=\"project-item-wrapper post-25191 neuros_project type-neuros_project status-publish has-post-thumbnail hentry neuros_project_category-detendeurs-de-second-stade-et-avsu-pour-gaz-medicaux\">\n    <div class=\"project-item\">\n    \t    \t\t\t<a href=\"https:\/\/stmmedicali.eu\/fr\/tableau-de-sectionnement-avsu\/\" class=\"project-item-link\">\n\t\t            <span class=\"project-item-media\"><img decoding=\"async\" alt=\"Quadro di sezionamento AVSU Green_STM\" srcset=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadro-di-sezionamento-AVSU-Green_DSC6918_STM.jpg 575w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadro-di-sezionamento-AVSU-Green_DSC6918_STM-500x500.jpg 991w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadro-di-sezionamento-AVSU-Green_DSC6918_STM.jpg 1340w\" sizes=\"(max-width: 575px) 575px, (max-width: 991px) 991px\" src=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadro-di-sezionamento-AVSU-Green_DSC6918_STM.jpg\" class=\"attachment-neuros_portfolio_grid_2_columns size-neuros_portfolio_grid_2_columns wp-post-image\" \/><\/span><span class=\"project-item-content-wrapper\"><span class=\"project-item-content\"><span class=\"post-title\">Tableau de sectionnement AVSU<\/span><\/span><\/span>\t\t        <\/a>\n\t\t            \t\t        \n    <\/div>\n<\/div>\n<div class=\"project-item-wrapper post-25318 neuros_project type-neuros_project status-publish has-post-thumbnail hentry neuros_project_category-detendeurs-de-second-stade-et-avsu-pour-gaz-medicaux\">\n    <div class=\"project-item\">\n    \t    \t\t\t<a href=\"https:\/\/stmmedicali.eu\/fr\/panneau-de-reduction-du-2e-etage-wr\" class=\"project-item-link\">\n\t\t            <span class=\"project-item-media\"><img decoding=\"async\" alt=\"Quadro di riduzione 2\u00b0 stadio WR_Green STM\" srcset=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadro-di-riduzione-2\u00b0-stadio-WR-green_DSC6873-STM.jpg 575w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadro-di-riduzione-2\u00b0-stadio-WR-green_DSC6873-STM-500x500.jpg 991w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadro-di-riduzione-2\u00b0-stadio-WR-green_DSC6873-STM.jpg 1340w\" sizes=\"(max-width: 575px) 575px, (max-width: 991px) 991px\" src=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Quadro-di-riduzione-2\u00b0-stadio-WR-green_DSC6873-STM.jpg\" class=\"attachment-neuros_portfolio_grid_2_columns size-neuros_portfolio_grid_2_columns wp-post-image\" \/><\/span><span class=\"project-item-content-wrapper\"><span class=\"project-item-content\"><span class=\"post-title\">Panneau de r\u00e9duction du 2e \u00e9tage WR<\/span><\/span><\/span>\t\t        <\/a>\n\t\t            \t\t        \n    <\/div>\n<\/div>\n<div class=\"project-item-wrapper post-25282 neuros_project type-neuros_project status-publish has-post-thumbnail hentry neuros_project_category-detendeurs-de-second-stade-et-avsu-pour-gaz-medicaux\">\n    <div class=\"project-item\">\n    \t    \t\t\t<a href=\"https:\/\/stmmedicali.eu\/fr\/detendeur-de-pression-de-2-etage-pour-wr\" class=\"project-item-link\">\n\t\t            <span class=\"project-item-media\"><img decoding=\"async\" alt=\"Riduttore secondo stadio_STM_DSC7322\" srcset=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Riduttore-secondo-stadio_STM_DSC7322.jpg 575w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Riduttore-secondo-stadio_STM_DSC7322-500x500.jpg 991w, https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Riduttore-secondo-stadio_STM_DSC7322.jpg 1340w\" sizes=\"(max-width: 575px) 575px, (max-width: 991px) 991px\" src=\"https:\/\/stmmedicali.eu\/wp-content\/uploads\/2026\/01\/Riduttore-secondo-stadio_STM_DSC7322.jpg\" class=\"attachment-neuros_portfolio_grid_2_columns size-neuros_portfolio_grid_2_columns wp-post-image\" \/><\/span><span class=\"project-item-content-wrapper\"><span class=\"project-item-content\"><span class=\"post-title\">D\u00e9tendeur de pression de 2\u1d49 \u00e9tage pour WR<\/span><\/span><\/span>\t\t        <\/a>\n\t\t            \t\t        \n    <\/div>\n<\/div>                <\/div>\n\n                            <\/div>\n\n            \n        <\/div>\n        \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 coffrets de seconde d\u00e9tente ont pour fonction d&rsquo;effectuer la r\u00e9duction et la stabilisation de la pression de ligne, en l&rsquo;amenant \u00e0 la pression d&rsquo;utilisation qui est normalement de 4 bar pour les gaz comprim\u00e9s et de 8 bar pour l&rsquo;air&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-25050","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9tendeurs de second stade et coffrets AVSU | STM<\/title>\n<meta name=\"description\" content=\"Coffrets de seconde d\u00e9tente et 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