{"id":4864,"date":"2025-12-19T00:48:16","date_gmt":"2025-12-19T07:48:16","guid":{"rendered":"https:\/\/fshualinkeji.com\/?p=4864"},"modified":"2025-12-19T00:59:31","modified_gmt":"2025-12-19T07:59:31","slug":"designation-de-la-specification-des-tuyaux","status":"publish","type":"post","link":"https:\/\/fshualinkeji.com\/fr\/designation-de-la-specification-des-tuyaux\/","title":{"rendered":"D\u00e9signation des sp\u00e9cifications des tuyaux \u2013 Guide complet"},"content":{"rendered":"<p style=\"font-size:16px\">Les sp\u00e9cifications des tuyaux sont g\u00e9n\u00e9ralement indiqu\u00e9es \u00e0 l'aide de diff\u00e9rentes m\u00e9thodes telles que DN, inch, D, \u03a6, De, dn et d. Cet article pr\u00e9sente les sp\u00e9cifications de base et les sc\u00e9narios d'application typiques des tuyaux.<\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-1e659707 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" src=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg\" alt=\"\" class=\"wp-image-3900\" srcset=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg 750w, https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2-300x200.jpg 300w, https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div><\/div>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-38528f04\"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTable des mati\u00e8res\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap\">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#meaning-of-various-expressions\" class=\"uagb-toc-link__trigger\">Signification de diverses expressions<\/a><li class=\"uagb-toc__list\"><a href=\"#differences-between-various-representation-methods\" class=\"uagb-toc-link__trigger\">Diff\u00e9rences entre les diff\u00e9rentes m\u00e9thodes de repr\u00e9sentation<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#scope-of-application-and-standard-system\" class=\"uagb-toc-link__trigger\">Champ d'application et syst\u00e8me standard<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#indicates-emphasis\" class=\"uagb-toc-link__trigger\">Indique l'importance<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#final-thought\" class=\"uagb-toc-link__trigger\">Derni\u00e8re r\u00e9flexion<\/a><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-6d6910d0\"><h2 class=\"uagb-heading-text\">Signification de diverses expressions<\/h2><\/div>\n\n\n\n<p style=\"font-size:16px\">DN est l'abr\u00e9viation de Nominal Diameter (diam\u00e8tre nominal), repr\u00e9sentant le diam\u00e8tre nominal d'un tuyau. Il s'agit du diam\u00e8tre normalis\u00e9 du tuyau.<\/p>\n\n\n\n<p style=\"font-size:16px\">Le DN n'est ni le diam\u00e8tre ext\u00e9rieur ni le diam\u00e8tre int\u00e9rieur, mais un diam\u00e8tre nominal qui correspond approximativement \u00e0 la taille r\u00e9elle du tuyau. Il est principalement utilis\u00e9 dans la conception et la construction de pipelines pour faciliter la s\u00e9lection et l'adaptation des tuyaux et des raccords.<\/p>\n\n\n\n<p style=\"font-size:16px\">Par exemple, un tuyau d'un diam\u00e8tre nominal de DN100 correspond g\u00e9n\u00e9ralement \u00e0 un diam\u00e8tre ext\u00e9rieur de 108 mm, tandis que son diam\u00e8tre int\u00e9rieur varie en fonction de l'\u00e9paisseur de la paroi.<\/p>\n\n\n\n<p style=\"font-size:16px\">Le pouce est une unit\u00e9 de longueur imp\u00e9riale. Dans les sp\u00e9cifications des tuyaux, les pouces sont couramment utilis\u00e9s pour repr\u00e9senter le diam\u00e8tre nominal des tuyaux, tels que 1\/2\u201d, 3\/4\u201d, 1\u201d, etc., qui correspondent respectivement \u00e0 DN.<\/p>\n\n\n\n<p style=\"font-size:16px\">1 pouce = 25,4 mm, donc 1 pouce (1\u201d) correspond \u00e0 DN25. Dans le syst\u00e8me imp\u00e9rial, 1 pouce \u00e9quivaut \u00e0 8 points, 1\/2\u201d \u00e0 4 points, ce qui correspond \u00e0 DN15 (commun\u00e9ment appel\u00e9 tuyau \u00e0 4 points) ; 3\/4\u201d \u00e0 6 points, ce qui correspond \u00e0 DN20 (commun\u00e9ment appel\u00e9 tuyau \u00e0 6 points). D repr\u00e9sente g\u00e9n\u00e9ralement le diam\u00e8tre ext\u00e9rieur d'un tuyau. Dans les applications pratiques, il est g\u00e9n\u00e9ralement utilis\u00e9 avec l'\u00e9paisseur de la paroi pour indiquer les sp\u00e9cifications d'un tuyau, comme par exemple D108\u00d74, qui indique un tuyau avec un diam\u00e8tre ext\u00e9rieur de 108 mm et une \u00e9paisseur de paroi de 4 mm.<\/p>\n\n\n\n<p style=\"font-size:16px\">\u03a6 est couramment utilis\u00e9 en ing\u00e9nierie pour repr\u00e9senter le diam\u00e8tre d'un cercle commun. Comme D, il est utilis\u00e9 pour repr\u00e9senter le diam\u00e8tre ext\u00e9rieur des tuyaux, souvent pour des tuyaux en acier sans soudure ou des tuyaux en m\u00e9tal non ferreux.<\/p>\n\n\n\n<p style=\"font-size:16px\">Il est g\u00e9n\u00e9ralement \u00e9tiquet\u00e9 sous la forme \u201cdiam\u00e8tre ext\u00e9rieur \u00d7 \u00e9paisseur de la paroi\u201d, par exemple, \u03a6108 x 4, indiquant un tuyau d'un diam\u00e8tre ext\u00e9rieur de 108 mm et d'une \u00e9paisseur de paroi de 4 mm.<\/p>\n\n\n\n<p style=\"font-size:16px\">De est l'abr\u00e9viation de External Diameter (diam\u00e8tre ext\u00e9rieur), principalement utilis\u00e9 pour le diam\u00e8tre ext\u00e9rieur nominal des tuyaux en plastique d'alimentation en eau et d'\u00e9vacuation des b\u00e2timents, l'unit\u00e9 \u00e9tant le millim\u00e8tre. Il est g\u00e9n\u00e9ralement indiqu\u00e9 sous la forme \u201cdiam\u00e8tre ext\u00e9rieur \u00d7 \u00e9paisseur de la paroi\u201d. Par exemple, De25\u00d73 indique un tuyau ayant un diam\u00e8tre ext\u00e9rieur de 25 mm et une \u00e9paisseur de paroi de 3 mm.<\/p>\n\n\n\n<p style=\"font-size:16px\">dn est g\u00e9n\u00e9ralement utilis\u00e9 pour repr\u00e9senter le diam\u00e8tre ext\u00e9rieur nominal des tuyaux d'alimentation en eau et des tuyaux d'\u00e9vacuation des eaux us\u00e9es des b\u00e2timents. <a href=\"https:\/\/fshualinkeji.com\/fr\/tuyau-de-drainage-hdpe\/\">tuyaux de drainage en plastique<\/a>, DN50 est similaire \u00e0 De, mais dn est plus couramment utilis\u00e9 dans les normes europ\u00e9ennes ou les normes ISO. Par exemple, DN50 d\u00e9signe un tuyau en plastique d'un diam\u00e8tre ext\u00e9rieur nominal de 50 mm.<\/p>\n\n\n\n<p style=\"font-size:16px\">Le \u2018d\u2019 est g\u00e9n\u00e9ralement utilis\u00e9 pour indiquer le diam\u00e8tre int\u00e9rieur des tuyaux tels que les tuyaux en b\u00e9ton et les tuyaux en terre cuite ; il repr\u00e9sente le diam\u00e8tre int\u00e9rieur du tuyau en b\u00e9ton. Par exemple, d300 indique un tuyau en b\u00e9ton d'un diam\u00e8tre int\u00e9rieur de 300 mm.<\/p>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-b8f97d4a alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"501\" src=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/08\/pe-pipe-1.jpg\" alt=\"\" class=\"wp-image-3155\" srcset=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/08\/pe-pipe-1.jpg 750w, https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/08\/pe-pipe-1-300x200.jpg 300w, https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/08\/pe-pipe-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-1371600e\"><h2 class=\"uagb-heading-text\">Diff\u00e9rences entre les diff\u00e9rentes m\u00e9thodes de repr\u00e9sentation<\/h2><\/div>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-bda815ba\"><h4 class=\"uagb-heading-text\">Champ d'application et syst\u00e8me standard<\/h4><\/div>\n\n\n\n<p style=\"font-size:16px\">DN est une d\u00e9signation largement utilis\u00e9e dans les normes chinoises et de nombreuses normes internationales, applicable \u00e0 divers mat\u00e9riaux de tuyaux tels que les tuyaux en acier, les tuyaux en fonte et les tuyaux en plastique, et utilis\u00e9e dans de nombreux domaines de l'ing\u00e9nierie, y compris l'approvisionnement en eau et le drainage, le chauffage, la ventilation et la climatisation, et l'approvisionnement en gaz.<\/p>\n\n\n\n<p style=\"font-size:16px\">D et \u03a6 sont couramment utilis\u00e9s dans les normes nationales et internationales relatives aux tuyaux m\u00e9talliques, en particulier dans des domaines tels que la fabrication de machines et la p\u00e9trochimie, o\u00f9 une grande pr\u00e9cision et une grande solidit\u00e9 des dimensions des tuyaux sont requises.<\/p>\n\n\n\n<p style=\"font-size:16px\">d est principalement utilis\u00e9 dans les normes relatives \u00e0 certains mat\u00e9riaux de canalisation traditionnels pour lesquels le diam\u00e8tre int\u00e9rieur est le principal param\u00e8tre de conception, comme les canalisations en b\u00e9ton et les canalisations en terre cuite.<\/p>\n\n\n\n<p style=\"font-size:16px\">De et dn sont couramment utilis\u00e9s dans les normes relatives aux tuyaux en plastique. Diff\u00e9rents pays ou r\u00e9gions peuvent choisir d'utiliser De ou dn en fonction de leur syst\u00e8me de normes. Par exemple, De est couramment utilis\u00e9 dans les normes chinoises pour la construction de tuyaux en plastique pour l'approvisionnement en eau et l'\u00e9vacuation, tandis que dn est couramment utilis\u00e9 dans les normes europ\u00e9ennes.<\/p>\n\n\n\n<p style=\"font-size:16px\">inch est principalement utilis\u00e9 dans les pays et r\u00e9gions qui adoptent des normes imp\u00e9riales, ainsi que dans certains projets qui ont introduit des technologies ou des \u00e9quipements conformes aux normes internationales.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-12c564b4\"><h4 class=\"uagb-heading-text\">Indique l'importance<\/h4><\/div>\n\n\n\n<p style=\"font-size:16px\">Le DN se concentre sur la normalisation des sp\u00e9cifications des tuyaux et des raccords du point de vue des dimensions nominales, ce qui facilite la s\u00e9lection et la correspondance lors de la conception, de la fabrication et de l'installation.<\/p>\n\n\n\n<p style=\"font-size:16px\">D, \u03a6, De et dn mettent l'accent sur le diam\u00e8tre ext\u00e9rieur r\u00e9el du tube, ce qui permet d'obtenir des indications plus directes pour le contr\u00f4le des dimensions lors de la fabrication et de l'installation du tube.<\/p>\n\n\n\n<p style=\"font-size:16px\">d met l'accent sur le diam\u00e8tre int\u00e9rieur du tuyau, ce qui est crucial pour les mat\u00e9riaux des tuyaux o\u00f9 des param\u00e8tres tels que le d\u00e9bit et la vitesse doivent \u00eatre d\u00e9termin\u00e9s sur la base du diam\u00e8tre int\u00e9rieur.<\/p>\n\n\n\n<p style=\"font-size:16px\">Le pouce est une unit\u00e9 de mesure imp\u00e9riale qui permet une meilleure compatibilit\u00e9 avec les \u00e9quipements et les accessoires utilisant d'autres unit\u00e9s imp\u00e9riales dans un syst\u00e8me qui adopte la norme imp\u00e9riale.<\/p>\n\n\n\n<div class=\"wp-block-uagb-advanced-heading uagb-block-3d44f863\"><h2 class=\"uagb-heading-text\">Derni\u00e8re r\u00e9flexion<\/h2><\/div>\n\n\n\n<p style=\"font-size:16px\">Lors de la s\u00e9lection d'un mod\u00e8le, il faut d'abord d\u00e9terminer le mat\u00e9riau (m\u00e9tal\/plastique\/b\u00e9ton), puis faire correspondre les sp\u00e9cifications standard (DN\/De\/d) en fonction de la pression et du d\u00e9bit, et enfin confirmer les dimensions sp\u00e9cifiques en fonction de la m\u00e9thode de raccordement et des normes industrielles.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les sp\u00e9cifications des tuyaux sont g\u00e9n\u00e9ralement indiqu\u00e9es \u00e0 l'aide de diff\u00e9rentes m\u00e9thodes telles que DN, pouces, D, \u03a6, De, dn et d. Cet article [\u2026]<\/p>","protected":false},"author":1,"featured_media":3900,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"unboxed","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Pipe Specification Designation - Comprehensive Guide<\/title>\n<meta name=\"description\" content=\"Pipe specifications are commonly indicated using various methods such as DN, inch, D, \u03a6, De, dn, and d.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fshualinkeji.com\/fr\/designation-de-la-specification-des-tuyaux\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pipe Specification Designation - Comprehensive Guide\" \/>\n<meta property=\"og:description\" content=\"Pipe specifications are commonly indicated using various methods such as DN, inch, D, \u03a6, De, dn, and d.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fshualinkeji.com\/fr\/designation-de-la-specification-des-tuyaux\/\" \/>\n<meta property=\"og:site_name\" content=\"Custom Hdpe Pipe Manufacturer in China-Hualin Pipe Technology\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-19T07:48:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-19T07:59:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Hualinpipe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Hualinpipe\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/\"},\"author\":{\"name\":\"Hualinpipe\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#\\\/schema\\\/person\\\/4bfd1194fc41e1e42cf86b4da191fde5\"},\"headline\":\"Pipe Specification Designation &#8211; Comprehensive Guide\",\"datePublished\":\"2025-12-19T07:48:16+00:00\",\"dateModified\":\"2025-12-19T07:59:31+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/\"},\"wordCount\":794,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/hdpe-pipe-2.jpg\",\"articleSection\":[\"BLOG\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/\",\"url\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/\",\"name\":\"Pipe Specification Designation - Comprehensive Guide\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/hdpe-pipe-2.jpg\",\"datePublished\":\"2025-12-19T07:48:16+00:00\",\"dateModified\":\"2025-12-19T07:59:31+00:00\",\"description\":\"Pipe specifications are commonly indicated using various methods such as DN, inch, D, \u03a6, De, dn, and d.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/#primaryimage\",\"url\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/hdpe-pipe-2.jpg\",\"contentUrl\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/hdpe-pipe-2.jpg\",\"width\":750,\"height\":500},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/pipe-specification-designation\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/fshualinkeji.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Pipe Specification Designation &#8211; Comprehensive Guide\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#website\",\"url\":\"https:\\\/\\\/fshualinkeji.com\\\/\",\"name\":\"Hualin Pipe Technology\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/fshualinkeji.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#organization\",\"name\":\"Hualin Pipe Technology\",\"url\":\"https:\\\/\\\/fshualinkeji.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/cropped-cropped-logo-1.png\",\"contentUrl\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/cropped-cropped-logo-1.png\",\"width\":156,\"height\":40,\"caption\":\"Hualin Pipe Technology\"},\"image\":{\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/#\\\/schema\\\/person\\\/4bfd1194fc41e1e42cf86b4da191fde5\",\"name\":\"Hualinpipe\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/litespeed\\\/avatar\\\/18a8a2558afaae9326763e051853121a.jpg?ver=1777372866\",\"url\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/litespeed\\\/avatar\\\/18a8a2558afaae9326763e051853121a.jpg?ver=1777372866\",\"contentUrl\":\"https:\\\/\\\/fshualinkeji.com\\\/wp-content\\\/litespeed\\\/avatar\\\/18a8a2558afaae9326763e051853121a.jpg?ver=1777372866\",\"caption\":\"Hualinpipe\"},\"sameAs\":[\"https:\\\/\\\/fshualinkeji.com\"],\"url\":\"https:\\\/\\\/fshualinkeji.com\\\/fr\\\/author\\\/juntongtechoutlook-com\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"D\u00e9signation des sp\u00e9cifications des tuyaux - Guide complet","description":"Les sp\u00e9cifications des tuyaux sont g\u00e9n\u00e9ralement indiqu\u00e9es \u00e0 l'aide de diff\u00e9rentes m\u00e9thodes telles que DN, inch, D, \u03a6, De, dn et d.","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:\/\/fshualinkeji.com\/fr\/designation-de-la-specification-des-tuyaux\/","og_locale":"fr_FR","og_type":"article","og_title":"Pipe Specification Designation - Comprehensive Guide","og_description":"Pipe specifications are commonly indicated using various methods such as DN, inch, D, \u03a6, De, dn, and d.","og_url":"https:\/\/fshualinkeji.com\/fr\/designation-de-la-specification-des-tuyaux\/","og_site_name":"Custom Hdpe Pipe Manufacturer in China-Hualin Pipe Technology","article_published_time":"2025-12-19T07:48:16+00:00","article_modified_time":"2025-12-19T07:59:31+00:00","og_image":[{"width":750,"height":500,"url":"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg","type":"image\/jpeg"}],"author":"Hualinpipe","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"Hualinpipe","Dur\u00e9e de lecture estim\u00e9e":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/#article","isPartOf":{"@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/"},"author":{"name":"Hualinpipe","@id":"https:\/\/fshualinkeji.com\/#\/schema\/person\/4bfd1194fc41e1e42cf86b4da191fde5"},"headline":"Pipe Specification Designation &#8211; Comprehensive Guide","datePublished":"2025-12-19T07:48:16+00:00","dateModified":"2025-12-19T07:59:31+00:00","mainEntityOfPage":{"@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/"},"wordCount":794,"commentCount":0,"publisher":{"@id":"https:\/\/fshualinkeji.com\/#organization"},"image":{"@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/#primaryimage"},"thumbnailUrl":"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg","articleSection":["BLOG"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/fshualinkeji.com\/pipe-specification-designation\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/","url":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/","name":"D\u00e9signation des sp\u00e9cifications des tuyaux - Guide complet","isPartOf":{"@id":"https:\/\/fshualinkeji.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/#primaryimage"},"image":{"@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/#primaryimage"},"thumbnailUrl":"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg","datePublished":"2025-12-19T07:48:16+00:00","dateModified":"2025-12-19T07:59:31+00:00","description":"Les sp\u00e9cifications des tuyaux sont g\u00e9n\u00e9ralement indiqu\u00e9es \u00e0 l'aide de diff\u00e9rentes m\u00e9thodes telles que DN, inch, D, \u03a6, De, dn et d.","breadcrumb":{"@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/fshualinkeji.com\/pipe-specification-designation\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/#primaryimage","url":"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg","contentUrl":"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg","width":750,"height":500},{"@type":"BreadcrumbList","@id":"https:\/\/fshualinkeji.com\/pipe-specification-designation\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/fshualinkeji.com\/"},{"@type":"ListItem","position":2,"name":"Pipe Specification Designation &#8211; Comprehensive Guide"}]},{"@type":"WebSite","@id":"https:\/\/fshualinkeji.com\/#website","url":"https:\/\/fshualinkeji.com\/","name":"Hualin Pipe Technology","description":"","publisher":{"@id":"https:\/\/fshualinkeji.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/fshualinkeji.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/fshualinkeji.com\/#organization","name":"Hualin Pipe Technology","url":"https:\/\/fshualinkeji.com\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/fshualinkeji.com\/#\/schema\/logo\/image\/","url":"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/06\/cropped-cropped-logo-1.png","contentUrl":"https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/06\/cropped-cropped-logo-1.png","width":156,"height":40,"caption":"Hualin Pipe Technology"},"image":{"@id":"https:\/\/fshualinkeji.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/fshualinkeji.com\/#\/schema\/person\/4bfd1194fc41e1e42cf86b4da191fde5","name":"Hualinpipe","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/fshualinkeji.com\/wp-content\/litespeed\/avatar\/18a8a2558afaae9326763e051853121a.jpg?ver=1777372866","url":"https:\/\/fshualinkeji.com\/wp-content\/litespeed\/avatar\/18a8a2558afaae9326763e051853121a.jpg?ver=1777372866","contentUrl":"https:\/\/fshualinkeji.com\/wp-content\/litespeed\/avatar\/18a8a2558afaae9326763e051853121a.jpg?ver=1777372866","caption":"Hualinpipe"},"sameAs":["https:\/\/fshualinkeji.com"],"url":"https:\/\/fshualinkeji.com\/fr\/author\/juntongtechoutlook-com\/"}]}},"spectra_custom_meta":{"_edit_lock":["1766131204:1"],"_edit_last":["1"],"_yoast_wpseo_primary_category":["1"],"_yoast_wpseo_focuskw":["Pipe Specification"],"_yoast_wpseo_linkdex":["72"],"_yoast_wpseo_content_score":["30"],"_yoast_wpseo_estimated-reading-time-minutes":["5"],"_yoast_wpseo_title":["%%title%% %%page%%"],"_yoast_wpseo_metadesc":["Pipe specifications are commonly indicated using various methods such as DN, inch, D, \u03a6, De, dn, and d."],"_thumbnail_id":["3900"],"_uag_custom_page_level_css":[""],"site-sidebar-layout":["default"],"site-content-layout":[""],"ast-site-content-layout":["default"],"site-content-style":["unboxed"],"site-sidebar-style":["default"],"ast-global-header-display":[""],"ast-banner-title-visibility":[""],"ast-main-header-display":[""],"ast-hfb-above-header-display":[""],"ast-hfb-below-header-display":[""],"ast-hfb-mobile-header-display":[""],"site-post-title":[""],"ast-breadcrumbs-content":[""],"ast-featured-img":[""],"footer-sml-layout":[""],"theme-transparent-header-meta":[""],"adv-header-id-meta":[""],"stick-header-meta":[""],"header-above-stick-meta":[""],"header-main-stick-meta":[""],"header-below-stick-meta":[""],"astra-migrate-meta-layouts":["default"],"ast-page-background-enabled":["default"],"ast-page-background-meta":["a:3:{s:7:\"desktop\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-5)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"tablet\";a:12:{s:16:\"background-color\";s:0:\"\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"mobile\";a:12:{s:16:\"background-color\";s:0:\"\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}}"],"ast-content-background-meta":["a:3:{s:7:\"desktop\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-4)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"tablet\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-4)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}s:6:\"mobile\";a:12:{s:16:\"background-color\";s:25:\"var(--ast-global-color-4)\";s:16:\"background-image\";s:0:\"\";s:17:\"background-repeat\";s:6:\"repeat\";s:19:\"background-position\";s:13:\"center center\";s:15:\"background-size\";s:4:\"auto\";s:21:\"background-attachment\";s:6:\"scroll\";s:15:\"background-type\";s:0:\"\";s:16:\"background-media\";s:0:\"\";s:12:\"overlay-type\";s:0:\"\";s:13:\"overlay-color\";s:0:\"\";s:15:\"overlay-opacity\";s:0:\"\";s:16:\"overlay-gradient\";s:0:\"\";}}"],"footnotes":[""],"_wp_old_slug":["pipe-specification-designation-comprehensive-guide"],"_uagb_toc_options":["a:2:{s:17:\"_uagb_toc_version\";i:1777439585;s:18:\"_uagb_toc_headings\";a:5:{i:0;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:30:\"meaning-of-various-expressions\";s:7:\"content\";s:30:\"Meaning of various expressions\";s:5:\"depth\";i:2;}i:1;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:50:\"differences-between-various-representation-methods\";s:7:\"content\";s:50:\"Differences between various representation methods\";s:5:\"depth\";i:2;}i:2;a:4:{s:5:\"level\";i:4;s:2:\"id\";s:40:\"scope-of-application-and-standard-system\";s:7:\"content\";s:40:\"Scope of application and standard system\";s:5:\"depth\";i:4;}i:3;a:4:{s:5:\"level\";i:4;s:2:\"id\";s:18:\"indicates-emphasis\";s:7:\"content\";s:18:\"Indicates emphasis\";s:5:\"depth\";i:4;}i:4;a:4:{s:5:\"level\";i:2;s:2:\"id\";s:13:\"final-thought\";s:7:\"content\";s:13:\"Final Thought\";s:5:\"depth\";i:2;}}}"],"_uag_css_file_name":["uag-css-4864.css"],"_uag_js_file_name":["uag-js-4864.js"]},"uagb_featured_image_src":{"full":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg",750,500,false],"thumbnail":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2-150x150.jpg",150,150,true],"medium":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2-300x200.jpg",300,200,true],"medium_large":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg",750,500,false],"large":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg",750,500,false],"1536x1536":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg",750,500,false],"2048x2048":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2.jpg",750,500,false],"trp-custom-language-flag":["https:\/\/fshualinkeji.com\/wp-content\/uploads\/2025\/10\/hdpe-pipe-2-18x12.jpg",18,12,true]},"uagb_author_info":{"display_name":"Hualinpipe","author_link":"https:\/\/fshualinkeji.com\/fr\/author\/juntongtechoutlook-com\/"},"uagb_comment_info":0,"uagb_excerpt":"Pipe specifications are commonly indicated using various methods such as DN, inch, D, \u03a6, De, dn, and d. This article [&hellip;]","_links":{"self":[{"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/posts\/4864","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/comments?post=4864"}],"version-history":[{"count":11,"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/posts\/4864\/revisions"}],"predecessor-version":[{"id":4878,"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/posts\/4864\/revisions\/4878"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/media\/3900"}],"wp:attachment":[{"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/media?parent=4864"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/categories?post=4864"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fshualinkeji.com\/fr\/wp-json\/wp\/v2\/tags?post=4864"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}