ISO 1452-4:2009

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Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U) — Part 4: Valves

ISO 1452-4:2009 specifies the characteristics of valves made from unplasticized poly(vinyl chloride) (PVC‑U) for piping systems intended for water supply and for buried and above-ground drainage and sewerage under pressure. It also specifies the test parameters for the test methods referred to.