Identification

Référence :

NF442

Intitulé :

Thermoplastic material drain or sewer system operating without pressure

Normes applicables :

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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,
  • 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.

Families

• Sewerage
• Piping

Documentation

Comité particulier