scope:

This part of EN 1452 specifies the general aspects of unplasticized poly(vinly chloride) (PVD-U) piping systems in the field of water supply.

In conjunction with Part 2 to 5 of EN 1452 it is applicable to PVC-U pipes, fittings, valves and ancillary equipment, their joints and to joints with components of 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 degrees C (cold water) intended for human consumption and for general purposes

This standard is also applicable to components for the conveyance of water up to and including 45 degrees C.

NOTE For temperatures between 25 degrees C and 45 degrees C figure A.1 given in annex A of EN 1452-2:1999 applies.