{"id":17924,"date":"2025-06-30T10:19:34","date_gmt":"2025-06-30T10:19:34","guid":{"rendered":"https:\/\/az-broquetas.es\/valvula-de-controlo-do-fluxo"},"modified":"2025-06-30T10:19:35","modified_gmt":"2025-06-30T10:19:35","slug":"valvula-de-controlo-do-fluxo","status":"publish","type":"services","link":"https:\/\/az-broquetas.es\/pt-pt\/valvula-de-controlo-do-fluxo","title":{"rendered":"V\u00e1lvula de controlo do fluxo"},"content":{"rendered":"\t\t
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A v\u00e1lvula de controlo de caudal total para g\u00e1s \u00e9 constitu\u00edda por um sistema de seguran\u00e7a “Excesso de caudal”. Trata-se de um dispositivo de seguran\u00e7a autom\u00e1tico que bloqueia instantaneamente o fluxo de g\u00e1s do sistema de instala\u00e7\u00e3o sempre que o valor de fluxo predefinido \u00e9 ultrapassado. <\/p>

LDC – v\u00e1lvula de excesso de fluxo instalada no interior da instala\u00e7\u00e3o de g\u00e1s, permanece sempre aberta tamb\u00e9m no valor m\u00e1ximo do fluxo nominal VGAS. Quando o valor de caudal de corte VSGAS \u00e9 ultrapassado, a LDC desliga imediatamente o fluxo de g\u00e1s, como medida de prote\u00e7\u00e3o contra fugas e, com elas, um inc\u00eandio. O dispositivo \u00e9 reposto automaticamente atrav\u00e9s do orif\u00edcio de transbordo. A press\u00e3o de reabertura \u00e9 definida atrav\u00e9s do valor de transbordo VL, logo que as causas do erro no LDC tenham sido eliminadas. As principais carater\u00edsticas da v\u00e1lvula de descarga de g\u00e1s LDC s\u00e3o a fiabilidade e a seguran\u00e7a em funcionamento cont\u00ednuo. <\/p>

Os nossos LDCs de 4m3 e 6m3 foram submetidos a 400mbar de press\u00e3o nos laborat\u00f3rios APPLUS e passaram o teste, de acordo com os requisitos da norma UNE 60719: 2022 “Acess\u00f3rios para unir v\u00e1lvulas e elementos de instala\u00e7\u00f5es receptoras que utilizam combust\u00edveis gasosos”.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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pormenores t\u00e9cnicos<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tPropriedades<\/a>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\t

Gama de press\u00e3o:<\/strong> 15-400 mbar<\/p>\n

Temperatura de funcionamento:<\/strong> -20\u00baC a +60\u00baC.<\/p>\n

Temperatura de funcionamento:<\/strong> exterior 925\u00ba durante 60min. e interior 200\u00ba.<\/p>\n

Sistemas de seguran\u00e7a:<\/strong> caudal excessivo 1,6, 2,5, 4, 6, 10 e 16 m3<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tPadr\u00e3o<\/a>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\t

UNE 60719:2017<\/p>\n

Fabricado na Uni\u00e3o Europeia; EN 331<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\n\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/path><\/svg><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tCertificado<\/a>\n\t\t\t\t\t<\/h4>\n\t\t\t\t\t

DVGW<\/p>\n

APLICA O TESTE N.\u00ba 23\/ 32307085 para 4m3 e 6m3 LDC<\/a>.<\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/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

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\"V\u00e1lvula-control-de-flujo\"\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
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VER PDF V\u00c1LVULA DE CONTROLO DE FLUXO<\/a><\/strong><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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V\u00e1lvula de controlo de fluxo para instala\u00e7\u00f5es de g\u00e1s<\/span><\/h1>\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":"

Suspende ut libero augue. Maecenas feugiat, nulla eget guspendisse ut libero augue – maximus elementum, odio augue placerat est. <\/p>\n","protected":false},"featured_media":17925,"template":"","service_category":[],"class_list":["post-17924","services","type-services","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nV\u00e1lvula de controlo de fluxo para instala\u00e7\u00f5es de g\u00e1s<\/title>\n<meta name=\"description\" content=\"Com dispositivo autom\u00e1tico de seguran\u00e7a contra transbordo. Produto fi\u00e1vel e duradouro. 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