Historical
BS EN 1452-4:1999
Plastics piping systems for water supply. Unplasticized poly(vinyl chloride) (PVC-U) Ð. Valves and ancillary equipment (British Standard)
This Part of prEn 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.
British Standards Institution [bsi]