{"id":8036,"date":"2026-09-21T09:00:00","date_gmt":"2026-09-21T07:00:00","guid":{"rendered":"https:\/\/www.i-t-s.be\/?p=8036"},"modified":"2026-11-13T12:39:53","modified_gmt":"2026-11-13T11:39:53","slug":"tuyauterie-pe-electrosoudee-gf-eau-industrielle","status":"publish","type":"post","link":"https:\/\/www.i-t-s.be\/index.php\/2026\/09\/21\/tuyauterie-pe-electrosoudee-gf-eau-industrielle\/","title":{"rendered":"Tuyauterie PE \u00e9lectrosoud\u00e9e : quand la choisir pour l&#8217;eau industrielle et les effluents"},"content":{"rendered":"\r\n<p class=\"wp-block-paragraph\"><strong>Le coin technique \u00b7 Tuyauterie \u00b7 7 min de lecture<\/strong><\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Pour l&#8217;eau industrielle, les effluents ou les installations de traitement, le choix de la tuyauterie conditionne la dur\u00e9e de vie de l&#8217;installation et le temps de pose. Le poly\u00e9thyl\u00e8ne haute densit\u00e9 (PEHD) assembl\u00e9 par \u00e9lectrosoudure, propos\u00e9 notamment par GF Piping Systems, s&#8217;est impos\u00e9 dans beaucoup d&#8217;applications. Voici comment le choisir, le dimensionner et r\u00e9ussir les soudures.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">PE, PVC ou inox : quel mat\u00e9riau choisir ?<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Chaque mat\u00e9riau a sa place. Le tableau donne des rep\u00e8res g\u00e9n\u00e9raux ; le choix final d\u00e9pend toujours du fluide, de la pression, de la temp\u00e9rature et de l&#8217;environnement.<\/p>\r\n\r\n\r\n\r\n<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 800 380\" role=\"img\" aria-label=\"Comparaison PE, PVC et inox avec code couleur\" style=\"width:100%;height:auto;font-family:Arial,sans-serif\"><rect width=\"800\" height=\"380\" fill=\"#fff\"\/><text x=\"20\" y=\"38\" font-size=\"22\" font-weight=\"700\" fill=\"#13294B\">PE, PVC ou inox : rep\u00e8res pour l&#8217;eau industrielle<\/text><rect x=\"20\" y=\"56\" width=\"760\" height=\"40\" fill=\"#13294B\"\/><text x=\"30\" y=\"82\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\">Crit\u00e8re<\/text><text x=\"303\" y=\"82\" font-size=\"15\" font-weight=\"700\" fill=\"#F5C400\" text-anchor=\"middle\">PE (\u00e9lectrosoud\u00e9)<\/text><text x=\"495\" y=\"82\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\" text-anchor=\"middle\">PVC (coll\u00e9)<\/text><text x=\"687\" y=\"82\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\" text-anchor=\"middle\">Inox (soud\u00e9)<\/text><text x=\"30\" y=\"129\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">Corrosion<\/text><rect x=\"210\" y=\"104\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#DCFCE7\"\/><text x=\"303\" y=\"129\" font-size=\"15\" font-weight=\"600\" fill=\"#166534\" text-anchor=\"middle\">excellente<\/text><rect x=\"402\" y=\"104\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#DCFCE7\"\/><text x=\"495\" y=\"129\" font-size=\"15\" font-weight=\"600\" fill=\"#166534\" text-anchor=\"middle\">tr\u00e8s bonne<\/text><rect x=\"594\" y=\"104\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#FEF3C7\"\/><text x=\"687\" y=\"129\" font-size=\"15\" font-weight=\"600\" fill=\"#92400E\" text-anchor=\"middle\">sensible aux chlorures<\/text><text x=\"30\" y=\"177\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">Chocs, souplesse<\/text><rect x=\"210\" y=\"152\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#DCFCE7\"\/><text x=\"303\" y=\"177\" font-size=\"15\" font-weight=\"600\" fill=\"#166534\" text-anchor=\"middle\">tr\u00e8s bonne<\/text><rect x=\"402\" y=\"152\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#FEE2E2\"\/><text x=\"495\" y=\"177\" font-size=\"15\" font-weight=\"600\" fill=\"#991B1B\" text-anchor=\"middle\">fragile \u00e0 froid<\/text><rect x=\"594\" y=\"152\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#DCFCE7\"\/><text x=\"687\" y=\"177\" font-size=\"15\" font-weight=\"600\" fill=\"#166534\" text-anchor=\"middle\">robuste (rigide)<\/text><text x=\"30\" y=\"225\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">Assemblage<\/text><rect x=\"210\" y=\"200\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#DCFCE7\"\/><text x=\"303\" y=\"225\" font-size=\"15\" font-weight=\"600\" fill=\"#166534\" text-anchor=\"middle\">\u00e9lectrosoudure<\/text><rect x=\"402\" y=\"200\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#FEF3C7\"\/><text x=\"495\" y=\"225\" font-size=\"15\" font-weight=\"600\" fill=\"#92400E\" text-anchor=\"middle\">collage + s\u00e9chage<\/text><rect x=\"594\" y=\"200\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#FEF3C7\"\/><text x=\"687\" y=\"225\" font-size=\"15\" font-weight=\"600\" fill=\"#92400E\" text-anchor=\"middle\">soudure TIG qualifi\u00e9e<\/text><text x=\"30\" y=\"273\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">Temp\u00e9rature<\/text><rect x=\"210\" y=\"248\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#FEF3C7\"\/><text x=\"303\" y=\"273\" font-size=\"15\" font-weight=\"600\" fill=\"#92400E\" text-anchor=\"middle\">eau froide\/ti\u00e8de<\/text><rect x=\"402\" y=\"248\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#FEF3C7\"\/><text x=\"495\" y=\"273\" font-size=\"15\" font-weight=\"600\" fill=\"#92400E\" text-anchor=\"middle\">eau froide\/ti\u00e8de<\/text><rect x=\"594\" y=\"248\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#DCFCE7\"\/><text x=\"687\" y=\"273\" font-size=\"15\" font-weight=\"600\" fill=\"#166534\" text-anchor=\"middle\">\u00e9lev\u00e9e<\/text><text x=\"30\" y=\"321\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">Usage type<\/text><rect x=\"210\" y=\"296\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#F3F4F6\"\/><text x=\"303\" y=\"321\" font-size=\"15\" font-weight=\"600\" fill=\"#13294B\" text-anchor=\"middle\">eaux, effluents, gaz<\/text><rect x=\"402\" y=\"296\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#F3F4F6\"\/><text x=\"495\" y=\"321\" font-size=\"15\" font-weight=\"600\" fill=\"#13294B\" text-anchor=\"middle\">eau, \u00e9vacuation<\/text><rect x=\"594\" y=\"296\" width=\"186\" height=\"40\" rx=\"5\" fill=\"#F3F4F6\"\/><text x=\"687\" y=\"321\" font-size=\"15\" font-weight=\"600\" fill=\"#13294B\" text-anchor=\"middle\">hygi\u00e8ne, eau chaude<\/text><rect x=\"20\" y=\"350\" width=\"16\" height=\"16\" rx=\"3\" fill=\"#DCFCE7\" stroke=\"#166534\"\/><text x=\"42\" y=\"363\" font-size=\"14\" fill=\"#13294B\">point fort<\/text><rect x=\"140\" y=\"350\" width=\"16\" height=\"16\" rx=\"3\" fill=\"#FEF3C7\" stroke=\"#92400E\"\/><text x=\"162\" y=\"363\" font-size=\"14\" fill=\"#13294B\">\u00e0 surveiller<\/text><rect x=\"270\" y=\"350\" width=\"16\" height=\"16\" rx=\"3\" fill=\"#FEE2E2\" stroke=\"#991B1B\"\/><text x=\"292\" y=\"363\" font-size=\"14\" fill=\"#13294B\">point faible<\/text><\/svg>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Le PE se distingue par sa r\u00e9sistance \u00e0 la corrosion et aux chocs, et par sa souplesse, qui tol\u00e8re les petits mouvements et les vibrations. Pour des eaux us\u00e9es ou des effluents \u00e0 temp\u00e9rature ambiante, c&#8217;est souvent la solution la plus durable.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Les tubes PEHD : eau potable, refoulement, gaz<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Les tubes PEHD sont aujourd&#8217;hui presque tous en <strong>PE100<\/strong>, plus r\u00e9sistant que l&#8217;ancien PE80. Leur usage se reconna\u00eet \u00e0 leur couleur : bandes bleues pour l&#8217;eau potable, jaunes ou orange pour le gaz, brunes pour l&#8217;assainissement et le refoulement d&#8217;eaux us\u00e9es, noir pour les autres usages. Un tube destin\u00e9 \u00e0 l&#8217;eau potable doit en plus \u00eatre certifi\u00e9 pour le contact avec l&#8217;eau de consommation.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Pour la pression, on raisonne en <strong>SDR<\/strong> (<em>Standard Dimension Ratio<\/em>) : c&#8217;est le rapport entre le diam\u00e8tre ext\u00e9rieur et l&#8217;\u00e9paisseur de paroi. Un SDR 11 en \u00d863 a donc une paroi de 63 \u00f7 11 \u2248 5,8 mm. Plus le SDR est petit, plus la paroi est \u00e9paisse et plus la pression admissible est \u00e9lev\u00e9e. En eau \u00e0 20 \u00b0C, un tube PE100 SDR 11 correspond \u00e0 PN 16 et un SDR 17 \u00e0 PN 10. Pour le gaz, les pressions admissibles sont plus faibles, car le coefficient de s\u00e9curit\u00e9 est plus \u00e9lev\u00e9.<\/p>\r\n\r\n\r\n\r\n<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 800 585\" role=\"img\" aria-label=\"Tubes PEHD : rep\u00e9rage couleur et correspondance SDR, pression et \u00e9paisseur\" style=\"width:100%;height:auto;font-family:Arial,sans-serif\"><rect width=\"800\" height=\"585\" fill=\"#fff\"\/><text x=\"20\" y=\"38\" font-size=\"22\" font-weight=\"700\" fill=\"#13294B\">Tubes PEHD : couleur, usage et SDR<\/text><rect x=\"30\" y=\"60\" width=\"200\" height=\"26\" rx=\"13\" fill=\"#1f1f1f\"\/><rect x=\"30\" y=\"65\" width=\"200\" height=\"4\" fill=\"#2563EB\"\/><rect x=\"30\" y=\"77\" width=\"200\" height=\"4\" fill=\"#2563EB\"\/><text x=\"250\" y=\"72\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Eau potable<\/text><text x=\"250\" y=\"91\" font-size=\"14\" fill=\"#5E6672\">bandes bleues (ou tube bleu) \u2013 conformit\u00e9 eau potable exig\u00e9e<\/text><rect x=\"30\" y=\"110\" width=\"200\" height=\"26\" rx=\"13\" fill=\"#1f1f1f\"\/><rect x=\"30\" y=\"115\" width=\"200\" height=\"4\" fill=\"#F59E0B\"\/><rect x=\"30\" y=\"127\" width=\"200\" height=\"4\" fill=\"#F59E0B\"\/><text x=\"250\" y=\"122\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Gaz<\/text><text x=\"250\" y=\"141\" font-size=\"14\" fill=\"#5E6672\">bandes jaunes ou orange (ou tube jaune) \u2013 r\u00e9seaux gaz<\/text><rect x=\"30\" y=\"160\" width=\"200\" height=\"26\" rx=\"13\" fill=\"#1f1f1f\"\/><rect x=\"30\" y=\"165\" width=\"200\" height=\"4\" fill=\"#92400E\"\/><rect x=\"30\" y=\"177\" width=\"200\" height=\"4\" fill=\"#92400E\"\/><text x=\"250\" y=\"172\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Assainissement, refoulement<\/text><text x=\"250\" y=\"191\" font-size=\"14\" fill=\"#5E6672\">bandes brunes \u2013 eaux us\u00e9es sous pression<\/text><rect x=\"30\" y=\"210\" width=\"200\" height=\"26\" rx=\"13\" fill=\"#1f1f1f\"\/><text x=\"250\" y=\"222\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Industrie, autres fluides<\/text><text x=\"250\" y=\"241\" font-size=\"14\" fill=\"#5E6672\">noir \u2013 \u00e0 v\u00e9rifier selon le fluide et la fiche du fabricant<\/text><text x=\"20\" y=\"282\" font-size=\"18\" font-weight=\"700\" fill=\"#13294B\">SDR = diam\u00e8tre ext\u00e9rieur \u00f7 \u00e9paisseur de paroi<\/text><text x=\"20\" y=\"304\" font-size=\"14\" fill=\"#5E6672\">Plus le SDR est petit, plus la paroi est \u00e9paisse et plus la pression admissible est \u00e9lev\u00e9e.<\/text><rect x=\"20\" y=\"318\" width=\"760\" height=\"38\" fill=\"#13294B\"\/><text x=\"40\" y=\"343\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\">SDR<\/text><text x=\"160\" y=\"343\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\">PN eau, PE100 (20 \u00b0C)<\/text><text x=\"420\" y=\"343\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\">\u00c9paisseur pour \u00d863<\/text><text x=\"610\" y=\"343\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\">\u00d8 int\u00e9rieur \u2248<\/text><rect x=\"20\" y=\"356\" width=\"760\" height=\"36\" fill=\"#F3F4F6\"\/><text x=\"40\" y=\"380\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">SDR 7,4<\/text><text x=\"160\" y=\"380\" font-size=\"15\" fill=\"#13294B\">PN 25<\/text><text x=\"420\" y=\"380\" font-size=\"15\" fill=\"#13294B\">8,6 mm<\/text><text x=\"610\" y=\"380\" font-size=\"15\" fill=\"#13294B\">45,8 mm<\/text><rect x=\"20\" y=\"392\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"416\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">SDR 9<\/text><text x=\"160\" y=\"416\" font-size=\"15\" fill=\"#13294B\">PN 20<\/text><text x=\"420\" y=\"416\" font-size=\"15\" fill=\"#13294B\">7,1 mm<\/text><text x=\"610\" y=\"416\" font-size=\"15\" fill=\"#13294B\">48,8 mm<\/text><rect x=\"20\" y=\"428\" width=\"760\" height=\"36\" fill=\"#F5C400\"\/><text x=\"40\" y=\"452\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">SDR 11<\/text><text x=\"160\" y=\"452\" font-size=\"15\" fill=\"#13294B\">PN 16<\/text><text x=\"420\" y=\"452\" font-size=\"15\" fill=\"#13294B\">5,8 mm<\/text><text x=\"610\" y=\"452\" font-size=\"15\" fill=\"#13294B\">51,4 mm<\/text><rect x=\"20\" y=\"464\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"488\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">SDR 17<\/text><text x=\"160\" y=\"488\" font-size=\"15\" fill=\"#13294B\">PN 10<\/text><text x=\"420\" y=\"488\" font-size=\"15\" fill=\"#13294B\">3,8 mm<\/text><text x=\"610\" y=\"488\" font-size=\"15\" fill=\"#13294B\">55,4 mm<\/text><rect x=\"20\" y=\"500\" width=\"760\" height=\"36\" fill=\"#F3F4F6\"\/><text x=\"40\" y=\"524\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">SDR 26<\/text><text x=\"160\" y=\"524\" font-size=\"15\" fill=\"#13294B\">PN 6<\/text><text x=\"420\" y=\"524\" font-size=\"15\" fill=\"#13294B\">2,5 mm<\/text><text x=\"610\" y=\"524\" font-size=\"15\" fill=\"#13294B\">58,0 mm<\/text><text x=\"20\" y=\"558\" font-size=\"13\" fill=\"#5E6672\">Valeurs usuelles selon EN 12201 pour l&#8217;eau \u00e0 20 \u00b0C.<\/text><text x=\"20\" y=\"575\" font-size=\"13\" fill=\"#5E6672\">Gaz ou temp\u00e9rature plus \u00e9lev\u00e9e : pression admissible plus faible (voir norme et fabricant).<\/text><\/svg>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">\u00c0 retenir : \u00e0 diam\u00e8tre ext\u00e9rieur \u00e9gal, le diam\u00e8tre int\u00e9rieur diminue quand la paroi s&#8217;\u00e9paissit. Pour un d\u00e9bit donn\u00e9, v\u00e9rifiez la vitesse et les pertes de charge avec le diam\u00e8tre <em>int\u00e9rieur<\/em> r\u00e9el.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">DN, pouces ou diam\u00e8tre ext\u00e9rieur : s&#8217;y retrouver<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">C&#8217;est la source d&#8217;erreur la plus fr\u00e9quente sur chantier. Les tubes acier et les filetages sont d\u00e9sign\u00e9s en <strong>DN<\/strong> ou en <strong>pouces<\/strong>, alors que les tubes PE sont d\u00e9sign\u00e9s par leur <strong>diam\u00e8tre ext\u00e9rieur en mm<\/strong> (d20, d63, d110\u2026). Un tube PE \u00ab 50 \u00bb n&#8217;a donc rien \u00e0 voir avec un DN50.<\/p>\r\n\r\n\r\n\r\n<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 800 640\" role=\"img\" aria-label=\"Table de correspondance DN, pouces, diam\u00e8tre acier et diam\u00e8tre tube PE, de DN6 \u00e0 DN150\" style=\"width:100%;height:auto;font-family:Arial,sans-serif\"><rect width=\"800\" height=\"640\" fill=\"#fff\"\/><text x=\"20\" y=\"38\" font-size=\"22\" font-weight=\"700\" fill=\"#13294B\">Correspondance DN \u2013 pouces \u2013 tube PE<\/text><rect x=\"20\" y=\"54\" width=\"760\" height=\"40\" fill=\"#13294B\"\/><text x=\"40\" y=\"80\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\">DN<\/text><text x=\"200\" y=\"80\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\">Pouces (filetage)<\/text><text x=\"400\" y=\"80\" font-size=\"15\" font-weight=\"700\" fill=\"#fff\">\u00d8 ext. tube acier<\/text><text x=\"600\" y=\"80\" font-size=\"15\" font-weight=\"700\" fill=\"#F5C400\">\u00d8 ext. tube PE<\/text><rect x=\"20\" y=\"94\" width=\"760\" height=\"36\" fill=\"#F3F4F6\"\/><text x=\"40\" y=\"118\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 6<\/text><text x=\"200\" y=\"118\" font-size=\"15\" fill=\"#13294B\">1\/8&#8243;<\/text><text x=\"400\" y=\"118\" font-size=\"15\" fill=\"#13294B\">10,2 mm<\/text><text x=\"600\" y=\"118\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d10*<\/text><rect x=\"20\" y=\"130\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"154\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 8<\/text><text x=\"200\" y=\"154\" font-size=\"15\" fill=\"#13294B\">1\/4&#8243;<\/text><text x=\"400\" y=\"154\" font-size=\"15\" fill=\"#13294B\">13,5 mm<\/text><text x=\"600\" y=\"154\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d12*<\/text><rect x=\"20\" y=\"166\" width=\"760\" height=\"36\" fill=\"#F3F4F6\"\/><text x=\"40\" y=\"190\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 10<\/text><text x=\"200\" y=\"190\" font-size=\"15\" fill=\"#13294B\">3\/8&#8243;<\/text><text x=\"400\" y=\"190\" font-size=\"15\" fill=\"#13294B\">17,2 mm<\/text><text x=\"600\" y=\"190\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d16<\/text><rect x=\"20\" y=\"202\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"226\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 15<\/text><text x=\"200\" y=\"226\" font-size=\"15\" fill=\"#13294B\">1\/2&#8243;<\/text><text x=\"400\" y=\"226\" font-size=\"15\" fill=\"#13294B\">21,3 mm<\/text><text x=\"600\" y=\"226\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d20<\/text><rect x=\"20\" y=\"238\" width=\"760\" height=\"36\" fill=\"#F3F4F6\"\/><text x=\"40\" y=\"262\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 20<\/text><text x=\"200\" y=\"262\" font-size=\"15\" fill=\"#13294B\">3\/4&#8243;<\/text><text x=\"400\" y=\"262\" font-size=\"15\" fill=\"#13294B\">26,9 mm<\/text><text x=\"600\" y=\"262\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d25<\/text><rect x=\"20\" y=\"274\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"298\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 25<\/text><text x=\"200\" y=\"298\" font-size=\"15\" fill=\"#13294B\">1&#8243;<\/text><text x=\"400\" y=\"298\" font-size=\"15\" fill=\"#13294B\">33,7 mm<\/text><text x=\"600\" y=\"298\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d32<\/text><rect x=\"20\" y=\"310\" width=\"760\" height=\"36\" fill=\"#F3F4F6\"\/><text x=\"40\" y=\"334\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 32<\/text><text x=\"200\" y=\"334\" font-size=\"15\" fill=\"#13294B\">1 1\/4&#8243;<\/text><text x=\"400\" y=\"334\" font-size=\"15\" fill=\"#13294B\">42,4 mm<\/text><text x=\"600\" y=\"334\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d40<\/text><rect x=\"20\" y=\"346\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"370\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 40<\/text><text x=\"200\" y=\"370\" font-size=\"15\" fill=\"#13294B\">1 1\/2&#8243;<\/text><text x=\"400\" y=\"370\" font-size=\"15\" fill=\"#13294B\">48,3 mm<\/text><text x=\"600\" y=\"370\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d50<\/text><rect x=\"20\" y=\"382\" width=\"760\" height=\"36\" fill=\"#F5C400\"\/><text x=\"40\" y=\"406\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 50<\/text><text x=\"200\" y=\"406\" font-size=\"15\" fill=\"#13294B\">2&#8243;<\/text><text x=\"400\" y=\"406\" font-size=\"15\" fill=\"#13294B\">60,3 mm<\/text><text x=\"600\" y=\"406\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d63<\/text><text x=\"690\" y=\"406\" font-size=\"14\" font-weight=\"700\" fill=\"#13294B\">\u2190 exemple<\/text><rect x=\"20\" y=\"418\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"442\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 65<\/text><text x=\"200\" y=\"442\" font-size=\"15\" fill=\"#13294B\">2 1\/2&#8243;<\/text><text x=\"400\" y=\"442\" font-size=\"15\" fill=\"#13294B\">76,1 mm<\/text><text x=\"600\" y=\"442\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d75<\/text><rect x=\"20\" y=\"454\" width=\"760\" height=\"36\" fill=\"#F3F4F6\"\/><text x=\"40\" y=\"478\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 80<\/text><text x=\"200\" y=\"478\" font-size=\"15\" fill=\"#13294B\">3&#8243;<\/text><text x=\"400\" y=\"478\" font-size=\"15\" fill=\"#13294B\">88,9 mm<\/text><text x=\"600\" y=\"478\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d90<\/text><rect x=\"20\" y=\"490\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"514\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 100<\/text><text x=\"200\" y=\"514\" font-size=\"15\" fill=\"#13294B\">4&#8243;<\/text><text x=\"400\" y=\"514\" font-size=\"15\" fill=\"#13294B\">114,3 mm<\/text><text x=\"600\" y=\"514\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d110<\/text><rect x=\"20\" y=\"526\" width=\"760\" height=\"36\" fill=\"#F3F4F6\"\/><text x=\"40\" y=\"550\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 125<\/text><text x=\"200\" y=\"550\" font-size=\"15\" fill=\"#13294B\">5&#8243;<\/text><text x=\"400\" y=\"550\" font-size=\"15\" fill=\"#13294B\">139,7 mm<\/text><text x=\"600\" y=\"550\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d140<\/text><rect x=\"20\" y=\"562\" width=\"760\" height=\"36\" fill=\"#fff\"\/><text x=\"40\" y=\"586\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">DN 150<\/text><text x=\"200\" y=\"586\" font-size=\"15\" fill=\"#13294B\">6&#8243;<\/text><text x=\"400\" y=\"586\" font-size=\"15\" fill=\"#13294B\">168,3 mm<\/text><text x=\"600\" y=\"586\" font-size=\"15\" font-weight=\"700\" fill=\"#13294B\">d160<\/text><text x=\"20\" y=\"612\" font-size=\"13\" fill=\"#5E6672\">* rare en PE. Les tubes PE sont d\u00e9sign\u00e9s par leur diam\u00e8tre ext\u00e9rieur (d).<\/text><text x=\"20\" y=\"630\" font-size=\"13\" fill=\"#5E6672\">Correspondances usuelles, \u00e0 confirmer avec le catalogue du fabricant.<\/text><\/svg>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Exemple :<\/strong> vous avez une vanne ou une pompe avec un raccord filet\u00e9 <strong>2&#8243;<\/strong>. Dans le tableau, 2&#8243; correspond au <strong>DN50<\/strong>, et le tube PE \u00e9quivalent est le <strong>d63<\/strong>. Il vous faut donc un tube PE d63, et un raccord de transition PE d63 \u00d7 2&#8243; (filetage gaz BSP). Reste \u00e0 choisir le SDR selon la pression : en PE100 SDR 11, le tube d63 a une paroi de 5,8 mm, un diam\u00e8tre int\u00e9rieur d&#8217;environ 51 mm, et supporte 16 bar en eau \u00e0 20 \u00b0C.<\/p>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">L&#8217;\u00e9lectrosoudure : un assemblage homog\u00e8ne<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Le raccord \u00e9lectrosoudable contient un fil r\u00e9sistif. Le poste de soudage y fait passer un courant contr\u00f4l\u00e9 : le PE du raccord et celui du tube fondent et se m\u00e9langent. Une fois refroidi, l&#8217;assemblage forme une seule pi\u00e8ce, sans colle ni joint. Les param\u00e8tres de soudage sont lus sur le code-barres du raccord, ce qui limite les erreurs.<\/p>\r\n\r\n\r\n\r\n<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 800 330\" role=\"img\" aria-label=\"Les 6 \u00e9tapes d'une \u00e9lectrosoudure PE\" style=\"width:100%;height:auto;font-family:Arial,sans-serif\"><defs><marker id=\"ar3\" viewBox=\"0 0 10 10\" refX=\"9\" refY=\"5\" markerWidth=\"7\" markerHeight=\"7\" orient=\"auto\"><path d=\"M0,0 L10,5 L0,10 z\" fill=\"#13294B\"\/><\/marker><\/defs><rect width=\"800\" height=\"330\" fill=\"#fff\"\/><text x=\"20\" y=\"38\" font-size=\"22\" font-weight=\"700\" fill=\"#13294B\">\u00c9lectrosoudure PE : les 6 \u00e9tapes<\/text><rect x=\"20\" y=\"60\" width=\"240\" height=\"96\" rx=\"6\" fill=\"#F3F4F6\" stroke=\"#13294B\" stroke-width=\"2\"\/><circle cx=\"46\" cy=\"88\" r=\"16\" fill=\"#13294B\"\/><text x=\"46\" y=\"94\" font-size=\"16\" font-weight=\"700\" fill=\"#fff\" text-anchor=\"middle\">1<\/text><text x=\"72\" y=\"94\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Couper, marquer<\/text><text x=\"36\" y=\"122\" font-size=\"14\" fill=\"#13294B\">coupe d&#8217;\u00e9querre, rep\u00e8re<\/text><text x=\"36\" y=\"142\" font-size=\"14\" fill=\"#13294B\">de profondeur d&#8217;embo\u00eetement<\/text><rect x=\"280\" y=\"60\" width=\"240\" height=\"96\" rx=\"6\" fill=\"#F3F4F6\" stroke=\"#13294B\" stroke-width=\"2\"\/><circle cx=\"306\" cy=\"88\" r=\"16\" fill=\"#13294B\"\/><text x=\"306\" y=\"94\" font-size=\"16\" font-weight=\"700\" fill=\"#fff\" text-anchor=\"middle\">2<\/text><text x=\"332\" y=\"94\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Gratter<\/text><text x=\"296\" y=\"122\" font-size=\"14\" fill=\"#13294B\">retirer la couche oxyd\u00e9e<\/text><text x=\"296\" y=\"142\" font-size=\"14\" fill=\"#13294B\">sur la zone d&#8217;embo\u00eetement<\/text><rect x=\"540\" y=\"60\" width=\"240\" height=\"96\" rx=\"6\" fill=\"#F3F4F6\" stroke=\"#13294B\" stroke-width=\"2\"\/><circle cx=\"566\" cy=\"88\" r=\"16\" fill=\"#13294B\"\/><text x=\"566\" y=\"94\" font-size=\"16\" font-weight=\"700\" fill=\"#fff\" text-anchor=\"middle\">3<\/text><text x=\"592\" y=\"94\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Nettoyer<\/text><text x=\"556\" y=\"122\" font-size=\"14\" fill=\"#13294B\">nettoyant adapt\u00e9,<\/text><text x=\"556\" y=\"142\" font-size=\"14\" fill=\"#13294B\">ne plus toucher la zone<\/text><rect x=\"20\" y=\"210\" width=\"240\" height=\"96\" rx=\"6\" fill=\"#F3F4F6\" stroke=\"#13294B\" stroke-width=\"2\"\/><circle cx=\"46\" cy=\"238\" r=\"16\" fill=\"#13294B\"\/><text x=\"46\" y=\"244\" font-size=\"16\" font-weight=\"700\" fill=\"#fff\" text-anchor=\"middle\">4<\/text><text x=\"72\" y=\"244\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Embo\u00eeter, brider<\/text><text x=\"36\" y=\"272\" font-size=\"14\" fill=\"#13294B\">embo\u00eeter jusqu&#8217;au rep\u00e8re,<\/text><text x=\"36\" y=\"292\" font-size=\"14\" fill=\"#13294B\">tubes align\u00e9s et brid\u00e9s<\/text><rect x=\"280\" y=\"210\" width=\"240\" height=\"96\" rx=\"6\" fill=\"#F3F4F6\" stroke=\"#13294B\" stroke-width=\"2\"\/><circle cx=\"306\" cy=\"238\" r=\"16\" fill=\"#13294B\"\/><text x=\"306\" y=\"244\" font-size=\"16\" font-weight=\"700\" fill=\"#fff\" text-anchor=\"middle\">5<\/text><text x=\"332\" y=\"244\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Souder<\/text><text x=\"296\" y=\"272\" font-size=\"14\" fill=\"#13294B\">param\u00e8tres lus au code-<\/text><text x=\"296\" y=\"292\" font-size=\"14\" fill=\"#13294B\">barres par le poste<\/text><rect x=\"540\" y=\"210\" width=\"240\" height=\"96\" rx=\"6\" fill=\"#F5C400\" stroke=\"#13294B\" stroke-width=\"2\"\/><circle cx=\"566\" cy=\"238\" r=\"16\" fill=\"#13294B\"\/><text x=\"566\" y=\"244\" font-size=\"16\" font-weight=\"700\" fill=\"#fff\" text-anchor=\"middle\">6<\/text><text x=\"592\" y=\"244\" font-size=\"16\" font-weight=\"700\" fill=\"#13294B\">Refroidir, tracer<\/text><text x=\"556\" y=\"272\" font-size=\"14\" fill=\"#13294B\">aucun effort avant la fin,<\/text><text x=\"556\" y=\"292\" font-size=\"14\" fill=\"#13294B\">protocole enregistr\u00e9<\/text><path d=\"M262 108 L276 108\" stroke=\"#13294B\" stroke-width=\"3\" marker-end=\"url(#ar3)\"\/><path d=\"M522 108 L536 108\" stroke=\"#13294B\" stroke-width=\"3\" marker-end=\"url(#ar3)\"\/><path d=\"M660 158 V182 H140 V204\" stroke=\"#13294B\" stroke-width=\"3\" fill=\"none\" marker-end=\"url(#ar3)\"\/><path d=\"M262 258 L276 258\" stroke=\"#13294B\" stroke-width=\"3\" marker-end=\"url(#ar3)\"\/><path d=\"M522 258 L536 258\" stroke=\"#13294B\" stroke-width=\"3\" marker-end=\"url(#ar3)\"\/><\/svg>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Les pi\u00e8ges \u00e0 \u00e9viter<\/h2>\r\n\r\n\r\n\r\n<ul class=\"wp-block-list\">\r\n<li><strong>N\u00e9gliger le grattage.<\/strong> La surface du tube s&#8217;oxyde : sans grattage, la fusion se fait mal, m\u00eame si la soudure semble r\u00e9ussie.<\/li>\r\n\r\n\r\n<li><strong>Toucher la zone nettoy\u00e9e.<\/strong> Les doigts, la poussi\u00e8re ou l&#8217;humidit\u00e9 suffisent \u00e0 affaiblir l&#8217;assemblage.<\/li>\r\n\r\n\r\n<li><strong>Oublier le bridage.<\/strong> Un tube qui bouge pendant la soudure ou le refroidissement donne un assemblage d\u00e9fectueux.<\/li>\r\n\r\n\r\n<li><strong>Mettre sous pression trop t\u00f4t.<\/strong> Les temps de refroidissement indiqu\u00e9s par le fabricant doivent \u00eatre respect\u00e9s avant toute contrainte ou essai de pression.<\/li>\r\n\r\n\r\n<li><strong>Confondre DN et diam\u00e8tre ext\u00e9rieur<\/strong> \u00e0 la commande : v\u00e9rifiez toujours avec le tableau de correspondance.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n<h2 class=\"wp-block-heading\">Un exemple concret<\/h2>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\">Chez Filao, ITS a <a href=\"https:\/\/www.i-t-s.be\/index.php\/works\/filao-daf-silo-charbon-actif-pe-gf-electrosoudure\/\">raccord\u00e9 un DAF \u00e0 un silo de charbon actif<\/a> pour tester un traitement compl\u00e9mentaire des eaux us\u00e9es : pompe immerg\u00e9e, tuyauterie PE GF \u00e9lectrosoud\u00e9e, retour vers l&#8217;\u00e9gout avec le d\u00e9bitm\u00e8tre conserv\u00e9.<\/p>\r\n\r\n\r\n\r\n<p class=\"wp-block-paragraph\"><strong>Un projet de tuyauterie pour l&#8217;eau ou les effluents ?<\/strong> <a href=\"https:\/\/www.i-t-s.be\/index.php\/contact-us\/\">Parlons-en<\/a>.<\/p>\r\n\r\n\r\n","protected":false},"excerpt":{"rendered":"<p>PE, PVC ou inox ? Tubes PEHD pour eau potable, refoulement et gaz, SDR et pression, table de correspondance DN \/ pouces \/ diam\u00e8tre PE, et les 6 \u00e9tapes d&#8217;une \u00e9lectrosoudure GF r\u00e9ussie.<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[124],"tags":[],"class_list":["post-8036","post","type-post","status-publish","format-standard","hentry","category-le-coin-technique"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/posts\/8036","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/comments?post=8036"}],"version-history":[{"count":5,"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/posts\/8036\/revisions"}],"predecessor-version":[{"id":8042,"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/posts\/8036\/revisions\/8042"}],"wp:attachment":[{"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/media?parent=8036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/categories?post=8036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.i-t-s.be\/index.php\/wp-json\/wp\/v2\/tags?post=8036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}