{"id":18578,"date":"2016-11-28T13:54:38","date_gmt":"2016-11-28T11:54:38","guid":{"rendered":"http:\/\/marquenf.ovm-communication-sandbox.ovh\/nf442\/"},"modified":"2026-07-21T16:51:47","modified_gmt":"2026-07-21T14:51:47","slug":"nf-thermoplastic-system-non-pressure-drainage-sewerage-nf442-marque-nf","status":"publish","type":"post","link":"https:\/\/marque-nf.com\/en\/categories\/sewerage-paving-material\/nf-thermoplastic-system-non-pressure-drainage-sewerage-nf442-marque-nf\/","title":{"rendered":"NF – Thermoplastic system for non-pressure drainage and sewerage (NF442) \u2013 MARQUE NF"},"content":{"rendered":"
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Caract\u00e9ristiques :<\/h4>\n
  • Structured-wall pipes with smooth external surface (Type A) <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 13476-1 (Pipes and shaped fittings): Dimensional characteristics (diameters, thicknesses, socket ends), Impact resistance, Longitudinal shrinkage when hot, Ring stiffness, Ring flexibility, Creep rate, Tensile strength of weld line (coiled pipes only), Leaktightness of joints, Quality of elastomeric seal rings. <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 13476-1 (Shaped fittings): Mechanical flexibility or strength Tensile strength of welded or melted joints. Structured-wall pipes with profiled external surface and smooth internal surface (Type B) <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 13476-1 (Pipes and fittings): Dimensional characteristics (diameters, thicknesses, socket ends), Impact resistance, Heat performance, Ring stiffness, Ring flexibility, Creep rate, Tensile strength of weld line (coiled pipes only), Pressure tightness of joints, Quality of elastomeric seal rings. <\/li>\n
  • <\/li>\n
  • In accordance with specific additional requirements in fascicle 70: Evaluation of stress increase coefficient <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 13476-1 (Fittings): Mechanical flexibility or strength, Leaktightness of seal rings, Tensile strength of welded or melted joints. Auxiliary fittings, connection boxes and inspection boxes <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 13598-1: Dimensional characteristics (diameter, thickness, out-of-round, socket ends), Ring stiffness of collar (connection and inspection boxes only, if claimed), Vertical load resistance, Negative pressure resistance (connection and inspection boxes only), Mechanical flexibility and strength, Leaktightness of seal rings. Leaktightness of collar seals (connection and inspection boxes only). Manholes, inspection and connection boxes (traffic zones, deep systems) <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 13598-2: Dimensional characteristics (diameters, thicknesses, connections), Structural integrity of foundation unit, Impact resistance of foundation unit, Ring stiffness of collar, Ladder rungs: vertical load resistance and horizontal tensile strength, Compressive strength of distribution slab, Pull-out strength of distribution slab handling ring anchors, Leaktightness of joints between different components, Quality of elastomeric seal rings Tensile characteristics of material, Thermal stability, VICAT softening temperature, <\/li>\n
  • <\/li>\n
  • In accordance with specific additional requirements in fascicle 70: Maximum burial depth of connection box manholes Compressive strength of connection box manhole distribution slabs Compact PVC-U pipes <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 1401-1 (pipes and fittings): Dimensional characteristics (diameters, thicknesses, socket ends), Longitudinal shrinkage when hot, Tensile strength, Impact resistance, Ring stiffness, Creep rate, Pressure tightness of joints, Quality of elastomeric ring seals. Density, VICAT softening temperature <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 1401-1 (fittings): Heat performance, Leaktightness of seal rings and watertightness of locked saddle connectors PP pipes In accordance with NF EN 1852-1 (pipes and fittings): Dimensional characteristics (diameters, thicknesses, socket ends), Impact resistance at 0\u00b0C and -10\u00b0C, Ring stiffness, Creep rate, Quality of elastomeric seal rings, Pressure tightness of joints. Longitudinal shrinkage when hot Tensile strength In accordance with NF 1852-1 (fittings): Impact resistance, Heat effect, Mechanical flexibility or strength, Leaktightness of seal rings. PE pipes In accordance with NF EN 12666-1 (pipes and fittings): Dimensional characteristics (diameters, thicknesses, socket ends), Ring stiffness, Pressure tightness of joints. Density, Tensile strength, Creep rate, Longitudinal shrinkage when hot Quality of elastomeric seal rings <\/li>\n
  • <\/li>\n
  • In accordance with NF EN 12666-1 (fittings): MFR, OIT, Impact resistance, Heat effect, Mechanical flexibility or strength, Leaktightness of seal rings.<\/li>\n<\/div>\n<\/div>\n<\/div>\n
    <\/div>\n
    <\/div>\n
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    Organisme certificateur\u00a0:<\/h4>\n

    CSTB|||<\/p><\/div>\n<\/div>\n<\/div>\n<\/div>\n

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    Be certified<\/a> <\/p>\n
    <\/div>\n

    See certified<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    Structured-wall pipes with smooth external surface (Type A) In accordance with NF EN 13476-1 (Pipes and shaped fittings): Dimensional characteristics (diameters, thicknesses, socket ends), Impact resistance, Longitudinal shrinkage when hot, Ring stif …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[227],"class_list":["post-18578","post","type-post","status-publish","format-standard","hentry","category-sewerage-paving-material","tag-227"],"yoast_head":"\nNF - Thermoplastic system for non-pressure drainage and sewerage (NF442) \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\/sewerage-paving-material\/nf-thermoplastic-system-non-pressure-drainage-sewerage-nf442-marque-nf\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NF - 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