{"id":16991,"date":"2022-06-25T12:45:27","date_gmt":"2022-06-25T12:45:27","guid":{"rendered":"https:\/\/zecovalve.com\/?post_type=product&#038;p=16991"},"modified":"2023-06-26T05:25:05","modified_gmt":"2023-06-26T05:25:05","slug":"backflow-preventers","status":"publish","type":"product","link":"https:\/\/zecovalve.com\/pt\/produto\/backflow-preventers","title":{"rendered":"Desconectores de refluxo"},"content":{"rendered":"<div class=\"sep-pages-boxs bgs clearfix\">\n<div class=\"sep-container clearfix\">\n<h1 class=\"titles sizes1 cens gtj-ff-bold\">Desconectores de refluxo<\/h1>\n<div class=\"bq-sep-pro-detail-thumbs ons clearfix\">\n<div class=\"thumbs\">\n<div class=\"imgs ons\">\n<div class=\"swiper-container swiper-container-initialized swiper-container-horizontal\">\n<div class=\"swiper-wrapper\">\n<div class=\"swiper-slide swiper-slide-active\">\n<figure id=\"attachment_16992\" aria-describedby=\"caption-attachment-16992\" style=\"width: 254px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-16992\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-264x300.jpg\" alt=\"Desconectores de refluxo\" width=\"264\" height=\"300\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-264x300.jpg 264w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers.jpg 400w\" sizes=\"auto, (max-width: 264px) 100vw, 264px\" \/><figcaption id=\"caption-attachment-16992\" class=\"wp-caption-text\">Desconectores de refluxo<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"lr-lists-boxs\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"sep-pages-boxs clearfix\">\n<div class=\"sep-container clearfix\">\n<div id=\"zf-nexts\" class=\"flex clearfix\">\n<div class=\"bq-zf-lefts\">\n<div class=\"richtext\">\n<h2>Festas dos preventores de refluxo<\/h2>\n<div class=\"text-center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-16993\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-features-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-features-300x225.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-features.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n<ul class=\"list-paddingleft-2\">\n<li>A v\u00e1lvula de reten\u00e7\u00e3o dupla \u00e9 projetada como um todo, com estrutura pequena;<\/li>\n<li>O corpo \u00e9 aerodin\u00e2mico com pouca perda de resist\u00eancia;<\/li>\n<li>A combina\u00e7\u00e3o de uma v\u00e1lvula de reten\u00e7\u00e3o dupla e uma v\u00e1lvula de drenagem de seguran\u00e7a pode evitar completamente a polui\u00e7\u00e3o por refluxo sob qualquer condi\u00e7\u00e3o de trabalho;<\/li>\n<li>Todas as pe\u00e7as m\u00f3veis s\u00e3o feitas de materiais resistentes \u00e0 ferrugem e ao desgaste, com longa vida \u00fatil.<\/li>\n<\/ul>\n<\/div>\n<div class=\"richtext\">\n<h2>Princ\u00edpio de funcionamento dos preventores de refluxo<\/h2>\n<div class=\"text-center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-16994\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-principle-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-principle-300x225.jpg 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-principle.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n<p>Preventores de refluxo para duas s\u00e9ries de v\u00e1lvulas de reten\u00e7\u00e3o, quando uma das veda\u00e7\u00f5es danifica, a outra tamb\u00e9m ATUA como veda\u00e7\u00e3o para evitar refluxo. Por\u00e9m, quando a veda\u00e7\u00e3o de duas v\u00e1lvulas de reten\u00e7\u00e3o \u00e9 quebrada ao mesmo tempo, a fun\u00e7\u00e3o de reten\u00e7\u00e3o \u00e9 perdida. Os preventores de refluxo no tipo comum de funda\u00e7\u00e3o no meio do dreno, portanto, mesmo que a veda\u00e7\u00e3o de duas v\u00e1lvulas de reten\u00e7\u00e3o ao mesmo tempo danifique, eles tamb\u00e9m podem desempenhar um papel na preven\u00e7\u00e3o da polui\u00e7\u00e3o por refluxo.<\/p>\n<\/div>\n<div class=\"richtext\">\n<h2>Instala\u00e7\u00e3o e comissionamento de preventores de refluxo<\/h2>\n<div class=\"text-center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-16995\" src=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-installation-and-commissioning-300x225.png\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-installation-and-commissioning-300x225.png 300w, https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/backflow-preventers-installation-and-commissioning.png 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/div>\n<p>Esta v\u00e1lvula deve ser instalada horizontalmente, o ambiente do local de instala\u00e7\u00e3o deve estar limpo, deve haver espa\u00e7o de manuten\u00e7\u00e3o suficiente, o principal grau de drenagem de seguran\u00e7a ou sa\u00edda (barreira de ar) est\u00e1 a mais de 300 mm acima do solo e n\u00e3o deve ser inundado por \u00e1gua ou detritos, e a \u00e1rea de instala\u00e7\u00e3o deve ser equipada com instala\u00e7\u00f5es de drenagem. Para uso espec\u00edfico, consulte o ZECO Valve Group.<\/p>\n<\/div>\n<div class=\"richtext\">\n<h2>Material e padr\u00e3o de preventores de refluxo<\/h2>\n<p>Faixa de tamanho: 2\u2033~12\u2033<br \/>\nClassifica\u00e7\u00e3o de press\u00e3o: 10bar ~ 25bar<br \/>\nDimens\u00f5es face a face: AMSE B16.10, EN558-1<br \/>\nDimens\u00e3o da extremidade da flange: AMSE B16.1\/16.42, AS4087, EN1092-2<br \/>\nRevestimento: Revestimento ep\u00f3xi ligado por fus\u00e3o<br \/>\nInspe\u00e7\u00e3o e teste: ISO 5208 \/ EN 12226-2<\/p>\n<div class=\"over-tabs\">\n<table>\n<tbody>\n<tr class=\"firstRow\">\n<td>Parte<\/td>\n<td>Material<\/td>\n<td>Padr\u00e3o<\/td>\n<\/tr>\n<tr>\n<td>Corpo<\/td>\n<td>Ferro fundido d\u00factil<\/td>\n<td>EN 1563\/DIN 1693<\/td>\n<\/tr>\n<tr>\n<td>Bon\u00e9<\/td>\n<td>Ferro fundido d\u00factil<\/td>\n<td>EN 1563\/DIN 1693<\/td>\n<\/tr>\n<tr>\n<td>Assento<\/td>\n<td>CuZn39Pb1 \/ C37000<\/td>\n<td>EN12167\/ASTM B135<\/td>\n<\/tr>\n<tr>\n<td>Caule<\/td>\n<td>A\u00e7o inoxid\u00e1vel 431<\/td>\n<td>EN10088-1\/ASTM A959<\/td>\n<\/tr>\n<tr>\n<td>Primavera<\/td>\n<td>A\u00e7o inoxid\u00e1vel 431<\/td>\n<td>EN10088-1\/ASTM A959<\/td>\n<\/tr>\n<tr>\n<td>Selo<\/td>\n<td>EPDM \/ NBR<\/td>\n<td>ISO 4633<\/td>\n<\/tr>\n<tr>\n<td colspan=\"3\">Para as op\u00e7\u00f5es de materiais n\u00e3o listadas, consultar a f\u00e1brica.<\/p>\n<p>A ZECO fabrica v\u00e1lvulas em mais de 50 ligas diferentes.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Preventores de refluxo Festuras de preventores de refluxo A v\u00e1lvula de reten\u00e7\u00e3o dupla \u00e9 projetada como um todo, com estrutura pequena \uff1b O corpo \u00e9 aerodin\u00e2mico com\u2026 <a title=\"Desconectores de refluxo\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/produto\/backflow-preventers\" aria-label=\"Mais em Preventores de refluxo\">Ler mais<\/a><\/p>","protected":false},"featured_media":27942,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":""},"product_cat":[2526],"product_tag":[2657,2661],"class_list":["post-16991","product","type-product","status-publish","has-post-thumbnail","hentry","product_cat-water-control-valve","product_tag-non-return-valve","product_tag-nrv-valve","sales-flash-overlay","woocommerce-text-align-center","woocommerce-image-align-center","do-quantity-buttons"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2022\/06\/Backflow-Preventers-1.jpg",800,600,false],"author_info":[],"comment_info":0,"taxonomy_info":{"product_cat":[{"value":2526,"label":"Water Control Valve"}],"product_tag":[{"value":2657,"label":"Non Return Valve"},{"value":2661,"label":"NRV Valve"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Backflow Preventers - ZECO Valve<\/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:\/\/zecovalve.com\/pt\/produto\/backflow-preventers\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Backflow Preventers - ZECO Valve\" \/>\n<meta property=\"og:description\" content=\"Backflow Preventers Festures of Backflow Preventers The double check valve is designed as a whole, with small structure\uff1b Body is streamlined with ... 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