ONORM EN ISO 1452-3:2020

Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 3: Fittings

This part of ISO 1452 defines the properties of plasticizer-free poly (vinyl chloride) (PVC-U) fittings for piping systems used for water supply and for underground and non-earth drainage and wastewater pressure pipes. Be. It also lays down the test parameters for the test procedures referred to in this part of ISO 1452. Together with ISO 1452-1, ISO 1452-2 and ISO 1452-5, this part applies to PVC-U fittings and to compounds made of PVC-U, other plastics and other materials intended for the following applications: a) earth-laid supply and House connection lines; (b) above-ground transport of water both inside and outside buildings; (c) underground and non-underground sewage pressure pipes. This part of ISO 1452 is applicable to piping systems designed for water supply under pressure up to and including 25 °C (cold water) for human ...