Standard

NS-EN 1452-4:1999

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Abstract

This Part of EN 1452 specifies the characteristics of valves and ancillary equipment made from unplasticized poly(vinyl chloride) (PVC-U) for piping systems in the field of water supply. It also specifies the test parameters for the test methods referred to in this standard. In conjunction with Parts 1, 2, 3 and 5 of EN 1452 and ENV 1452-7 it is applicable to PVC-U valves and ancillary equipment with components of PVC-U, other plastics and non-plastics materials intended to be used for the following: a) water mains and services buried in ground; b) conveyance of water above ground for both outside and inside buildings; for the supply of water under pressure at approximately 20 °C (cold water) intended for human consumption and for general purposes. This standard is also applicable to valves and ancillaries for the conveyance of water up to and including 45 °C. For temperatures between 25 °C and 45 °C figure A.1 of EN 1452-2:1999 applies. This standard is applicable to tapping saddles and valves of the following types: - valves for solvent cementing; - valves for elastomeric ring seal joints; - valves for flanged joints.

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 1
  • Version: 1
  • Document type: NAT
  • ICS 23.060.01
  • ICS 83.140.30
  • ICS 91.140.60
  • National Committee SN/K 84

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