ISO/TR 4191:2014

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Plastics piping systems for water supply — Unplasticized poly(vinyl chloride)(PVC-U) and oriented PVC-U (PVC-O) — Guidance for installation

ISO/TR 4191:2014 is a technical report from the International Organization for Standardization (ISO) offering guidance for installing PVC-U and PVC-O piping systems used in water supply conveying systems, encompassing water mains, waste water under pressure, and above-ground water conveyance.