{"id":213049,"date":"2024-10-19T13:48:11","date_gmt":"2024-10-19T13:48:11","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-20-30409071-dc\/"},"modified":"2024-10-25T06:41:13","modified_gmt":"2024-10-25T06:41:13","slug":"bsi-20-30409071-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-20-30409071-dc\/","title":{"rendered":"BSI 20\/30409071 DC"},"content":{"rendered":"<p>This document specifies, the dimensional, the physical-chemical, the design, the hydraulic, the mechanical and the acoustic characteristics of mechanical disconnectors flow actuated Family&nbsp;G, type&nbsp;B.<\/p>\n<p>This document is applicable to mechanical disconnectors flow actuated in nominal sizes DN&nbsp;8 up to DN&nbsp;250, intended to prevent the return of water having lost its original sanitary and drinking qualities (called \u201cpolluted water\u201d in this document), into the potable water distribution system whenever the pressure of the latter is temporarily lower than in the polluted circuit.<\/p>\n<p>This document covers the mechanical disconnector of <span class=\"std\"><span class=\"std-ref\">PN&nbsp;10<\/span><\/span> that are capable of working without modification or adjustment:<\/p>\n<ul>\n<li>\n<p>at any pressure up to 1,0&nbsp;MPa (10&nbsp;bar);<\/p>\n<\/li>\n<li>\n<p>in permanent duty at a limit temperature of 65&nbsp;\u00b0C and 90&nbsp;\u00b0C for 1&nbsp;h maximum.<\/p>\n<\/li>\n<\/ul>\n<p>It specifies also the test methods and requirements for verifying these characteristics, the marking and the presentation at delivery.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>BS EN 13434. Devices to prevent pollution by backflow of potable water. Mechanical disconnector, hydraulic actuated. Family G, type B<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>31<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":213051,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[363,2641],"product_tag":[],"class_list":{"0":"post-213049","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-23-060-50","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/213049","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/213051"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=213049"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=213049"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=213049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}