{"id":19874,"date":"2018-07-24T16:43:41","date_gmt":"2018-07-24T14:43:41","guid":{"rendered":"https:\/\/marque-nf.com\/en\/?p=19874"},"modified":"2026-07-21T16:52:06","modified_gmt":"2026-07-21T14:52:06","slug":"nf545","status":"publish","type":"post","link":"https:\/\/marque-nf.com\/en\/categories\/sanitary-equipment-and-plumbing\/nf545\/","title":{"rendered":"NF &#8211; Piping systems for hot and cold water installations (NF545) \u2013 MARQUE NF"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"post_text\">\n<div class=\"post_text_inner\">\n<div class=\"vc_row wpb_row section vc_row-fluid \" style=\"text-align: left\">\n<div class=\" full_section_inner clearfix\">\n<div class=\"wpb_column vc_column_container vc_col-sm-6\">\n<div class=\"wpb_wrapper\">\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<div class=\"content-flux\">\n<h4>Caract\u00e9ristiques :<\/h4>\n<p><strong>Pipes<\/strong><\/p>\n<ul>\n<li>Dimensional characteristics (diameter, thickness)<\/li>\n<li>Fitness for purpose according to the field of use certified (resistance to pressure, &#8230;)<\/li>\n<li>Durability<\/li>\n<\/ul>\n<p><strong>Fittings<\/strong><\/p>\n<ul>\n<li>Diameters compatible with the tubes<\/li>\n<li>Fitness for purpose according to the field of use certified (resistance to pressure for plastic fittings)<\/li>\n<li>Durability<\/li>\n<\/ul>\n<p><strong>Pipe \/ Fitting Assemblies<\/strong><\/p>\n<ul>\n<li>Fitness for purpose according to the field of use certified (resistance to internal pressure, stretching, tearing)<\/li>\n<li>Durability<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"separator transparent \" style=\"margin-top: 15px;margin-bottom: 15px\"><\/div>\n<div class=\"separator transparent \" style=\"margin-top: 15px;margin-bottom: 15px\"><\/div>\n<div class=\"wpb_text_column wpb_content_element \">\n<div class=\"wpb_wrapper\">\n<h4>Organisme certificateur\u00a0:<\/h4>\n<p>AFNOR Certification<\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"wpb_column vc_column_container vc_col-sm-6\">\n<div class=\"wpb_wrapper\"><a class=\"qbutton small\" style=\"margin-left: 20px\" href=\"https:\/\/certification.afnor.org\/en\/divers\/nf-heating-networks-and-sanitary-distribution\" target=\"_blank\" rel=\"noopener\">Be certified<\/a>  <\/p>\n<div class=\"separator transparent \" style=\"margin-top: 15px;margin-bottom: 15px\"><\/div>\n<p><a class=\"qbutton small\" style=\"margin-left: 20px\" href=\"http:\/\/cdn.afnor.org\/download\/produits\/FR\/NF545.htm\" target=\"_blank\" rel=\"noopener\">See certified<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Pipes<\/p>\n<p>\tDimensional characteristics (diameter, thickness)<br \/>\n\tFitness for purpose according to the field of use certified (resistance to pressure, &#8230;)<br \/>\n\tDurability<\/p>\n<p>Fittings<\/p>\n<p>\tDiameters compatible with the tubes<br \/>\n\tFitness for purpose according to the  &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-19874","post","type-post","status-publish","format-standard","hentry","category-sanitary-equipment-and-plumbing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NF - Piping systems for hot and cold water installations (NF545) \u2013 MARQUE NF - NF<\/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:\/\/marque-nf.com\/en\/categories\/sanitary-equipment-and-plumbing\/nf545\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NF - Piping systems for hot and cold water installations (NF545) \u2013 MARQUE NF - NF\" \/>\n<meta property=\"og:description\" content=\"Pipes  Dimensional characteristics (diameter, thickness) Fitness for purpose according to the field of use certified (resistance to pressure, ...) Durability  Fittings  Diameters compatible with the tubes Fitness for purpose according to the ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/marque-nf.com\/en\/categories\/sanitary-equipment-and-plumbing\/nf545\/\" \/>\n<meta property=\"og:site_name\" content=\"NF\" \/>\n<meta property=\"article:published_time\" content=\"2018-07-24T14:43:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-21T14:52:06+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/categories\\\/sanitary-equipment-and-plumbing\\\/nf545\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/categories\\\/sanitary-equipment-and-plumbing\\\/nf545\\\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/#\\\/schema\\\/person\\\/0a2ec6646231532113230563433f80bf\"},\"headline\":\"NF &#8211; Piping systems for hot and cold water installations (NF545) \u2013 MARQUE NF\",\"datePublished\":\"2018-07-24T14:43:41+00:00\",\"dateModified\":\"2026-07-21T14:52:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/categories\\\/sanitary-equipment-and-plumbing\\\/nf545\\\/\"},\"wordCount\":85,\"articleSection\":[\"Sanitary equipment and plumbing\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/categories\\\/sanitary-equipment-and-plumbing\\\/nf545\\\/\",\"url\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/categories\\\/sanitary-equipment-and-plumbing\\\/nf545\\\/\",\"name\":\"NF - Piping systems for hot and cold water installations (NF545) \u2013 MARQUE NF - NF\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/#website\"},\"datePublished\":\"2018-07-24T14:43:41+00:00\",\"dateModified\":\"2026-07-21T14:52:06+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/#\\\/schema\\\/person\\\/0a2ec6646231532113230563433f80bf\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/marque-nf.com\\\/en\\\/categories\\\/sanitary-equipment-and-plumbing\\\/nf545\\\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/\",\"name\":\"NF\",\"description\":\"The sure sign of quality\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/#\\\/schema\\\/person\\\/0a2ec6646231532113230563433f80bf\",\"name\":\"admin\",\"url\":\"https:\\\/\\\/marque-nf.com\\\/en\\\/author\\\/admin\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"NF - Piping systems for hot and cold water installations (NF545) \u2013 MARQUE NF - NF","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:\/\/marque-nf.com\/en\/categories\/sanitary-equipment-and-plumbing\/nf545\/","og_locale":"en_US","og_type":"article","og_title":"NF - Piping systems for hot and cold water installations (NF545) \u2013 MARQUE NF - NF","og_description":"Pipes  Dimensional characteristics (diameter, thickness) Fitness for purpose according to the field of use certified (resistance to pressure, ...) 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