{"id":213070,"date":"2024-10-19T13:48:18","date_gmt":"2024-10-19T13:48:18","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-20-30415618-dc\/"},"modified":"2024-10-25T06:41:24","modified_gmt":"2024-10-25T06:41:24","slug":"bsi-20-30415618-dc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-20-30415618-dc\/","title":{"rendered":"BSI 20\/30415618 DC"},"content":{"rendered":"<p>This document specifies the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of controllable backflow preventers with reduced pressure zone Family&nbsp;B Type&nbsp;A.<\/p>\n<p>This document covers controllable backflow preventers of Family&nbsp;B Type&nbsp;A, with reduced pressure zones, intended to prevent pollution of potable water by backflow, caused by backsiphonage or by backpressure.<\/p>\n<p>It is applicable to controllable backflow preventers in denominations DN&nbsp;6 up to DN&nbsp;250.<\/p>\n<p>It covers controllable backflow preventers of PN&nbsp;10 that are capable of working without modification or adjustment:<\/p>\n<ul>\n<li>\n<p>at any pressure, up to 1&nbsp;MPa (10&nbsp;bar);<\/p>\n<\/li>\n<li>\n<p>with any pressure variation, up to 1&nbsp;MPa (10&nbsp;bar);<\/p>\n<\/li>\n<li>\n<p>in permanent duty at a limited temperature of 65&nbsp;\u00b0C and for maximum 1&nbsp;h at 90&nbsp;\u00b0C.<\/p>\n<\/li>\n<\/ul>\n<p>It specifies also the test methods and requirements for verifying their characteristics, the marking and the presentation at delivery.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>BS EN 12729. Devices to prevent pollution by backflow of potable water &#8211; Controllable backflow preventer with reduced pressure zone. Family B. Type A<\/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>32<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":213072,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[212,2641],"product_tag":[],"class_list":{"0":"post-213070","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-060-20","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\/213070","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\/213072"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=213070"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=213070"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=213070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}