{"id":994,"date":"2023-08-15T16:02:58","date_gmt":"2023-08-15T20:02:58","guid":{"rendered":"https:\/\/backfloshop.creatures.ca\/product\/dispositifs-antirefoulement-a-pression-reduite-pour-les-systemes-de-protection-incendie-darpri\/"},"modified":"2025-05-14T16:13:01","modified_gmt":"2025-05-14T20:13:01","slug":"reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf","status":"publish","type":"product","link":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/","title":{"rendered":"Reduced pressure principle backflow preventer for fire protection systems (RPF)"},"content":{"rendered":"<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<ul>\n<li><strong>CSA:\u00a0<\/strong>B64.4.1<\/li>\n<li><strong>ASSE:<\/strong>\u00a01047<\/li>\n<li><strong>Highest hazard protection:\u00a0<\/strong>high or severe<\/li>\n<li><strong>Back pressure resistant:<\/strong>\u00a0yes<\/li>\n<li><strong>Continuous pressure resistant:\u00a0<\/strong>\u00a0yes<\/li>\n<li><strong>Field testing required:<\/strong>\u00a0yes<\/li>\n<\/ul>\n<h2>Overview\/Benefits<\/h2>\n<ul>\n<li>Provide reliable protection from both back siphonage and back pressure for high risk fire protection systems.<\/li>\n<li>Are generally used in locations where an air gap is impractical.<\/li>\n<li>Leaks are easily detected in case of failure.<\/li>\n<li>Should not be installed below ground level, in a pit or a vault.<\/li>\n<li>Requires access to a floor drain.<\/li>\n<li>For models of 2 1\/2 \u2033 and more, assembly with OSY (Open Stem &amp; Yoke) or butterfly valves ready to receive added supervision.<\/li>\n<\/ul>\n<h2>Application examples<\/h2>\n<p>Buildings or sites where there are chemicals in the sprinkler\u00a0lines:<\/p>\n<ul>\n<li>Terminal<\/li>\n<li>Chemical factory<\/li>\n<li>Petroleum product storage<\/li>\n<li>Sprinkler line where there is a risk of freezing with glycol gel<\/li>\n<\/ul>\n<h2>Models<\/h2>\n<\/div>\n<\/div>\n<div class=\"vc_row wpb_row vc_inner vc_row-fluid vc_custom_1461949945799\">\n<div class=\"wpb_column vc_column_container vc_col-sm-4\">\n<div class=\"vc_column-inner\">\n<div class=\"wpb_wrapper\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<h3>WILKINS<\/h3>\n<ul>\n<li>375 &amp; 375A<\/li>\n<li>375AST &amp;375ASTDA<\/li>\n<li>475<\/li>\n<li>975XL &amp; 975 XL2U<\/li>\n<li>375ADA<\/li>\n<li>475DA<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"wpb_column vc_column_container vc_col-sm-4\">\n<div class=\"vc_column-inner\">\n<div class=\"wpb_wrapper\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<h3>CONBRACO<\/h3>\n<ul>\n<li>RP 40S<\/li>\n<li>RP 4A<\/li>\n<li>RPLF 4A &amp; RPLF 4An<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"wpb_column vc_column_container vc_col-sm-4\">\n<div class=\"vc_column-inner\">\n<div class=\"wpb_wrapper\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<h3>WATTS<\/h3>\n<ul>\n<li>009 &amp; LF009<\/li>\n<li>LF909<\/li>\n<li>919 &amp; LF919<\/li>\n<li>957 &amp; 957 RPDA<\/li>\n<li>994 &amp; 994 RPDA<\/li>\n<li>909RPDA<\/li>\n<\/ul>\n<p><a href=\"https:\/\/backflow-shop.com\/en\/product-category\/backflow-preventers-field-testing-required\/\">Take a look at the other Backflow Preventers: field testing required<\/a><\/p>\n<p><a href=\"https:\/\/backflow-shop.com\/en\/product-category\/backflow-preventers-no-field-testing-required\/\">Take a look at the other Backflow Preventers: NO field testing required<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CSA:\u00a0B64.4.1 ASSE:\u00a01047 Highest hazard protection:\u00a0high or severe Back pressure resistant:\u00a0yes Continuous pressure resistant:\u00a0\u00a0yes Field testing required:\u00a0yes Overview\/Benefits Provide reliable protection from both back siphonage and back pressure for high risk fire protection systems. Are generally used in locations where an air gap is impractical. Leaks are easily detected in case of failure. Should not be [&hellip;]<\/p>\n","protected":false},"featured_media":837,"template":"","meta":[],"product_brand":[],"product_cat":[53],"product_tag":[],"class_list":{"0":"post-994","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-backflow-preventers-field-testing-required","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Reduced pressure principle backflow preventer for fire protection systems (RPF) - Backflo Shop<\/title>\n<meta name=\"description\" content=\"Reduced Pressure Principle Backflow Preventer for fire protection systems (RPF) compliant with CSA B64.4.1 and ASSE 1047. Ideal for high-risk environments.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reduced pressure principle backflow preventer for fire protection systems (RPF) - Backflo Shop\" \/>\n<meta property=\"og:description\" content=\"Reduced Pressure Principle Backflow Preventer for fire protection systems (RPF) compliant with CSA B64.4.1 and ASSE 1047. Ideal for high-risk environments.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/\" \/>\n<meta property=\"og:site_name\" content=\"Backflo Shop\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/atelierbackfloshop\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-14T20:13:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/08\/DArPRI-300x225-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"225\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/\",\"url\":\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/\",\"name\":\"Reduced pressure principle backflow preventer for fire protection systems (RPF) - Backflo Shop\",\"isPartOf\":{\"@id\":\"https:\/\/backflow-shop.com\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/08\/DArPRI-300x225-1.jpg\",\"datePublished\":\"2023-08-15T20:02:58+00:00\",\"dateModified\":\"2025-05-14T20:13:01+00:00\",\"description\":\"Reduced Pressure Principle Backflow Preventer for fire protection systems (RPF) compliant with CSA B64.4.1 and ASSE 1047. Ideal for high-risk environments.\",\"breadcrumb\":{\"@id\":\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#primaryimage\",\"url\":\"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/08\/DArPRI-300x225-1.jpg\",\"contentUrl\":\"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/08\/DArPRI-300x225-1.jpg\",\"width\":300,\"height\":225},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/backflow-shop.com\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/backflow-shop.com\/en\/shop-2\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Reduced pressure principle backflow preventer for fire protection systems (RPF)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/backflow-shop.com\/en\/#website\",\"url\":\"https:\/\/backflow-shop.com\/en\/\",\"name\":\"Backflo Shop\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/backflow-shop.com\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/backflow-shop.com\/en\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/backflow-shop.com\/en\/#organization\",\"name\":\"Backflo Shop\",\"url\":\"https:\/\/backflow-shop.com\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/backflow-shop.com\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/07\/logo.svg\",\"contentUrl\":\"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/07\/logo.svg\",\"caption\":\"Backflo Shop\"},\"image\":{\"@id\":\"https:\/\/backflow-shop.com\/en\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/atelierbackfloshop\/\",\"https:\/\/www.youtube.com\/@backfloshop\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Reduced pressure principle backflow preventer for fire protection systems (RPF) - Backflo Shop","description":"Reduced Pressure Principle Backflow Preventer for fire protection systems (RPF) compliant with CSA B64.4.1 and ASSE 1047. Ideal for high-risk environments.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/","og_locale":"en_US","og_type":"article","og_title":"Reduced pressure principle backflow preventer for fire protection systems (RPF) - Backflo Shop","og_description":"Reduced Pressure Principle Backflow Preventer for fire protection systems (RPF) compliant with CSA B64.4.1 and ASSE 1047. Ideal for high-risk environments.","og_url":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/","og_site_name":"Backflo Shop","article_publisher":"https:\/\/www.facebook.com\/atelierbackfloshop\/","article_modified_time":"2025-05-14T20:13:01+00:00","og_image":[{"width":300,"height":225,"url":"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/08\/DArPRI-300x225-1.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/","url":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/","name":"Reduced pressure principle backflow preventer for fire protection systems (RPF) - Backflo Shop","isPartOf":{"@id":"https:\/\/backflow-shop.com\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#primaryimage"},"image":{"@id":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#primaryimage"},"thumbnailUrl":"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/08\/DArPRI-300x225-1.jpg","datePublished":"2023-08-15T20:02:58+00:00","dateModified":"2025-05-14T20:13:01+00:00","description":"Reduced Pressure Principle Backflow Preventer for fire protection systems (RPF) compliant with CSA B64.4.1 and ASSE 1047. Ideal for high-risk environments.","breadcrumb":{"@id":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#primaryimage","url":"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/08\/DArPRI-300x225-1.jpg","contentUrl":"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/08\/DArPRI-300x225-1.jpg","width":300,"height":225},{"@type":"BreadcrumbList","@id":"https:\/\/backflow-shop.com\/en\/product\/reduced-pressure-principle-backflow-preventer-for-fire-protection-systems-rpf\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/backflow-shop.com\/en\/"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/backflow-shop.com\/en\/shop-2\/"},{"@type":"ListItem","position":3,"name":"Reduced pressure principle backflow preventer for fire protection systems (RPF)"}]},{"@type":"WebSite","@id":"https:\/\/backflow-shop.com\/en\/#website","url":"https:\/\/backflow-shop.com\/en\/","name":"Backflo Shop","description":"","publisher":{"@id":"https:\/\/backflow-shop.com\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/backflow-shop.com\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/backflow-shop.com\/en\/#organization","name":"Backflo Shop","url":"https:\/\/backflow-shop.com\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/backflow-shop.com\/en\/#\/schema\/logo\/image\/","url":"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/07\/logo.svg","contentUrl":"https:\/\/backflow-shop.com\/wp-content\/uploads\/2023\/07\/logo.svg","caption":"Backflo Shop"},"image":{"@id":"https:\/\/backflow-shop.com\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/atelierbackfloshop\/","https:\/\/www.youtube.com\/@backfloshop"]}]}},"_links":{"self":[{"href":"https:\/\/backflow-shop.com\/en\/wp-json\/wp\/v2\/product\/994","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/backflow-shop.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/backflow-shop.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/backflow-shop.com\/en\/wp-json\/wp\/v2\/media\/837"}],"wp:attachment":[{"href":"https:\/\/backflow-shop.com\/en\/wp-json\/wp\/v2\/media?parent=994"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/backflow-shop.com\/en\/wp-json\/wp\/v2\/product_brand?post=994"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/backflow-shop.com\/en\/wp-json\/wp\/v2\/product_cat?post=994"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/backflow-shop.com\/en\/wp-json\/wp\/v2\/product_tag?post=994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}