{"id":466,"date":"2020-12-07T22:41:27","date_gmt":"2020-12-07T21:41:27","guid":{"rendered":"https:\/\/cgh.com.pl\/fr\/?page_id=466"},"modified":"2025-01-14T00:34:34","modified_gmt":"2025-01-13T23:34:34","slug":"systeme-de-surveillance-a-sec-sgb","status":"publish","type":"page","link":"https:\/\/cgh.com.pl\/fr\/accessoires\/systemes-de-surveillance\/systeme-de-surveillance-a-sec-sgb","title":{"rendered":"Syst\u00e8me de surveillance \u00e0 sec SGB"},"content":{"rendered":"\n
\n
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\"Syst\u00e8me<\/figure><\/div><\/div>\n\n\n\n
\n

Informations sur le produit<\/strong><\/strong><\/strong><\/strong><\/p>\n\n\n\n

Les appareils SGB sont utilis\u00e9s pour contr\u00f4ler l’\u00e9tanch\u00e9it\u00e9 des espaces inter parois dans les r\u00e9servoirs \u00e0 double paroi.<\/p>\n\n\n\n

Il existe deux grands types d’\u00e9quipements:<\/p>\n\n\n\n

    \n
  • \u00e0 pression positive, d\u00e9sign\u00e9s DL<\/li>\n\n\n\n
  • \u00e0 pression n\u00e9gative, d\u00e9sign\u00e9s VL<\/li>\n<\/ul>\n\n\n\n

    Une pompe qui g\u00e9n\u00e8re une pression positive dans les syst\u00e8mes DL (325) et une pression n\u00e9gative dans les syst\u00e8mes VL (330) fait partie int\u00e9grante du syst\u00e8me.<\/p>\n\n\n\n

    Les \u00e9quipements \u00e0 pression positive sont principalement utilis\u00e9s pour les r\u00e9servoirs hors sol. Pour les r\u00e9servoirs souterrains, les syst\u00e8mes \u00e0 vide sont recommand\u00e9s.<\/p>\n\n\n\n

    Le choix du nombre et de la puissance de l’\u00e9quipement est bas\u00e9 sur la taille de l’espace contr\u00f4l\u00e9 dans les r\u00e9servoirs.<\/p>\n\n\n

    \n
    \"\"<\/figure><\/div>\n\n\n

    Avantages de l\u2019\u00e9quipement<\/strong><\/strong><\/strong><\/p>\n\n\n\n

      \n
    • assemblage simple<\/li>\n\n\n\n
    • fonctionnement sans entretien<\/li>\n\n\n\n
    • simple analyse des donn\u00e9es – alarme en cas de fuite d\u00e9tect\u00e9e<\/li>\n\n\n\n
    • une seule unit\u00e9 peut desservir plusieurs r\u00e9servoirs avec jusqu’\u00e0 8 unit\u00e9s connect\u00e9es \u00e0 la barre de distribution<\/li>\n\n\n\n
    • l’unit\u00e9 de mesure peut \u00eatre install\u00e9e en dehors de la zone EX dans un local accessible \u00e0 l’op\u00e9rateur<\/li>\n<\/ul>\n\n\n
      \n
      \"\"<\/figure><\/div>\n\n\n

      Informations techniques<\/strong><\/strong><\/strong><\/p>\n\n\n\n

      Un indicateur de fuite \u00e0 pression positive, tel que le SGB DL325 le plus couramment utilis\u00e9, est reli\u00e9 \u00e0 l’espace par des conduites de pression et de mesure.<\/p>\n\n\n\n

      La pression positive g\u00e9n\u00e9r\u00e9e par la pompe est mesur\u00e9e et r\u00e9gul\u00e9e par un capteur de pression.<\/p>\n\n\n\n

      Lorsque la pression de service est atteinte, la g\u00e9n\u00e9ration de surpression est d\u00e9sactiv\u00e9e.<\/p>\n\n\n\n

      Dans des conditions normales de marche, l’indication du taux de fuite varie entre ces deux limites, avec de courtes p\u00e9riodes de fonctionnement et de plus longues p\u00e9riodes d’arr\u00eat, dans la mesure o\u00f9 le degr\u00e9 de fuite et les variations de temp\u00e9rature dans l’ensemble du syst\u00e8me sont d\u00e9terminants.<\/p>\n\n\n\n

      Si les valeurs limites sont d\u00e9pass\u00e9es, une alarme se d\u00e9clenche.<\/p>\n\n\n\n

      L’appareil \u00e0 vide le plus couramment utilis\u00e9, le SGB VL330, est reli\u00e9 \u00e0 l’espace par deux tuyaux (pression et mesure) comme dans le cas des appareils \u00e0 pression positive.<\/p>\n\n\n\n

      Exemples d’applications<\/strong><\/strong><\/strong><\/strong>:<\/p>\n\n\n\n

      DL 325 <\/strong>– pour le contr\u00f4le des liquides chimiquement agressifs ou formant des vapeurs explosives avec l’air (par exemple, l’essence). Il n\u00e9cessite une pression d\u2019essai l\u2019inter parois de 0,4 bar et ne peut donc pas \u00eatre utilis\u00e9 pour les r\u00e9servoirs souterrains standard selon la norme EN 12285-1. Peut \u00eatre utilis\u00e9 pour les r\u00e9servoirs hors sol selon la norme EN 12285-2, mais cela n\u00e9cessite l’ajout de renforts, comme pour un r\u00e9servoir souterrain.<\/p>\n\n\n\n

      VL330 <\/strong>– pour la surveillance des liquides qui ne forment pas de m\u00e9langes explosifs avec l’air (diesel – oui, essence – non). A utiliser dans les r\u00e9servoirs souterrains et hors sol.<\/p>\n\n\n\n

      VLXE330 <\/strong>– peut \u00eatre utilis\u00e9 dans la m\u00eame gamme que le VL330, mais il est \u00e9galement homologu\u00e9 pour les fluides formant des m\u00e9langes explosifs avec l’air, par exemple l’essence et les liquides agressifs.<\/p>\n<\/div>\n<\/div>\n\n\n\n

      <\/p>\n","protected":false},"excerpt":{"rendered":"

      Informations sur le produit Les appareils SGB sont utilis\u00e9s pour contr\u00f4ler l’\u00e9tanch\u00e9it\u00e9 des espaces inter parois dans les r\u00e9servoirs \u00e0 double paroi. Il existe deux grands types d’\u00e9quipements: Une pompe qui g\u00e9n\u00e8re une pression positive dans les syst\u00e8mes DL (325) et une pression n\u00e9gative dans les syst\u00e8mes VL (330) fait partie int\u00e9grante du syst\u00e8me. Les […]?<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":464,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-products-with-second-menu.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-466","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nSyst\u00e8me de surveillance \u00e0 sec SGB - CGH Group Sp. z o.o.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cgh.com.pl\/fr\/accessoires\/systemes-de-surveillance\/systeme-de-surveillance-a-sec-sgb\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Syst\u00e8me de surveillance \u00e0 sec SGB - CGH Group Sp. z o.o.\" \/>\n<meta property=\"og:description\" content=\"Informations sur le produit Les appareils SGB sont utilis\u00e9s pour contr\u00f4ler l’\u00e9tanch\u00e9it\u00e9 des espaces inter parois dans les r\u00e9servoirs \u00e0 double paroi. Il existe deux grands types d’\u00e9quipements: Une pompe qui g\u00e9n\u00e8re une pression positive dans les syst\u00e8mes DL (325) et une pression n\u00e9gative dans les syst\u00e8mes VL (330) fait partie int\u00e9grante du syst\u00e8me. 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