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Resistance to external blows. Round-the-clock method.

Test methods

A sample (pipe) is subjected to impacts from a hammer with a set weight and shape, from a known height. The result is expressed as TIR (number of failures divided by the number of blows, expressed as a percentage as if the entire batch had been tested).

Products to test

Plastic piping systems for civil works for water of unplasticized Poly (vinyl chloride) (PVC-U) for:

  • Water supply and for buried and above-ground drainage and sewerage under pressure EN ISO 1452-1, -2, -3, -5.
  • Buried drainage and sewage without pressure EN 1401-1
  • Buried drainage and sewage without pressure (structured wall) EN 13476-1, -2, -3.

Plastics piping systems for civil works for water in:

  • Buried drainage and sewage without pressure (structured wall) made of Polyethylene (PE) EN 13476-1, -2, -3.
  • Buried drainage and sewage without pressure (structured wall) made of Polypropylene (PE) EN 13476-1, -2, -3.
  • Conveyance of water under pressure made of oriented unplasticized Poly (vinyl chloride) (PVC-O) ISO 16422
  • Supply of buried and above ground drainage, sewerage and irrigation water under pressure - Oriented unplasticized poly(vinyl chloride) (PVC-O) UNE EN 17176-2, -5 / UNE-CEN/TS 17176-3.

Plastic piping systems for hot and cold water installations inside buildings made of Poly (vinyl chloride) (PVC-C) EN ISO 15877-1, -2, -3, -5

Plastics piping systems for building and discharge of waste water made of:

  • Unplasticized poly (vinyl chloride) (PVC-U) EN 1329-1.
  • Unplasticized poly (vinyl chloride) (PVC-U) (structured wall) EN 1453-1
  • Polypropylene (PP) EN 1451-1