Evaluation

Certifications

Identification

Référence :
NF442
Intitulé :
Thermoplastic material drain or sewer system operating without pressure
Normes applicables :
Voir règlement

Caractéristiques certifiées

  • Structured-wall piping with smooth external surface (Type A)

    • - According to Standard NF EN 13476-1 (pipes and fabricated fittings):
    • Dimensional characteristics (diameter, thickness, sockets),
    • Impact resistance,
    • Longitudinal reversion,
    • Ring stiffness,
    • Ring flexibility,
    • Creep ratio,
    • Tensile strength of seam (only for spirally-formed pipes),
    • Tightness of joints,
    • Quality of elastomeric sealing rings,
    • - According to Standard NF EN 13476-1 (fabricated fittings):
    • Flexibility or mechanical strength,
    • Tension on welded or fused joints.
  • Structured-wall piping with profiled external and smooth internal surface (Type B)

    • - According to Standard NF EN 13476-1 (pipes and fittings):
    • Dimensional characteristics (diameter, thickness, sockets),
    • Impact resistance,
    • Behaviour when submitted to heating,
    • Ring stiffness, Ring flexibility,
    • Creep ratio,
    • Tensile strength of seam (only for spirally-formed pipes),
    • Pressure tightness of joints, quality of elastomeric sealing rings,
    • - According to complementary specification specific to Booklet 70: Evacuation of the stress raising factor.
    • - According to Standard NF EN 13476-1 (fittings):
    • Flexibility or mechanical strength,
    • Tightness of sealing rings,
    • Tension on welded or fused joints.
  • Ancillary fittings, inspection chambers

    • - According to Standard NF EN 13598-1:
    • Dimensional characteristics (diameter, thickness, out-of-roundness, sockets),
    • Ring stiffness of the riser shaft (only for Inspection chambers, when required),
    • Resistance to vertical loads,
    • Resistance to negative pressure (only for Inspection chambers),
    • Flexibility or mechanical strength,
    • Tightness of sealing rings,
    • Tightness of the riser joint seals (only for Inspection chambers).
  • Manholes, inspection chambers (vehicular and pedestrian areas, manholes of great depth)

    • - According to Standard NF EN 13598-2:
    • Dimensional characteristics (diameter, thickness, connections),
    • Structural integrity of the base,
    • Impact resistance of the base,
    • Ring stiffness of the riser shaft,
    • Steps of the ladder: resistance to vertical loads and to horizontal pull-out loads,
    • Crushing strength of the dividing slab,
    • Pull-off resistance of handling ring anchors for dividing slabs,
    • Tightness of the assembly of various components, quality of the elastomeric sealing rings,
    • Tensile characteristics of the material, Thermal stability, Vicat (softening temperature),
    • - According to complementary specifications specific to Booklet 70:
    • Maximum burial depth of manholes and inspection chambers,
    • Crushing strength of the dividing slabs of the manholes or inspection chambers.
  • Solid-wall PVC-U piping

    • - According to Standard NF EN 1401-1 (pipes and fittings):
    • Dimensional characteristics (diameter, thickness, sockets),
    • Longitudinal reversion,
    • Tensile strength, impact resistance,
    • Ring stiffness,
    • Creep ratio,
    • Tightness of joints when submitted to pressure,
    • Quality of elastomeric sealing rings,
    • Density,
    • Vicat (softening temperature),
    • - According to Standard NF EN 1401-1 (fittings):
    • Behaviour when submitted to heating,
    • Tightness of sealing rings and watertightness of saddle branches with plug.
  • PP piping

    • - According to Standard NF EN 1852-1 (pipes and fittings):
    • Dimensional characteristics (diameter, thickness, sockets),
    • Impact resistance at 0 °C and −10 °C,
    • Ring stiffness,
    • Creep ratio,
    • Quality of elastomeric sealing rings,
    • Pressure tightness of joints,
    • Longitudinal reversion,
    • Tension.
    • According to Standard NF EN 1852-1 (fittings):
    • Impact resistance,
    • Effects of heating,
    • Flexibility or mechanical strength, Tightness of sealing rings.
  • PE piping

    • - According to Standard NF EN 12666-1 (pipes and fittings):
    • Dimensional characteristics (diameter, thickness, sockets)
    • Ring stiffness
    • Pressure tightness of joints
    • Density, Tension
    • Creep ratio, longitudinal reversion
    • Quality of elastomeric sealing rings
    • - According to Standard NF EN 12666-1 (fittings):
    • MFR (melt mass-flow rate), OIT (oxidation induction time)
    • Impact resistance
    • Effects of heating
    • Flexibility or mechanical strength
    • Tightness of sealing rings.

Families


Documentation

Date Name Type Format
2018-12-21 NF 442 - Rev 03 - Documents Techniques 442-01- 442-08 - FR Referential ZIP
2018-12-21 Référentiel de certification - NF 442 - REV 03 Referential PDF
2018-12-21 Annexe de gestion administrative NF 442 - Rev 03 - FR Referential PDF
2018-05-11 Additif n° 1 - DT 1 Referential PDF
2014-10-01 Réseaux d'assainissement certifiés NF, une garantie de performance des produits Other PDF
2019-07-05 Liste des certificats NF 442 - Juillet 2019 Products PDF

Comité particulier

Date Name Format
2017-10-01 Charte des membres de comités PDF
2019-07-05 Membres Comité NF 442 - Juillet 2019 PDF
2017-10-01 Candidature pour un poste de membre de comité DOC