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Overview ISO 16486-4:2022 defines requirements for valves made from unplasticized polyamide (PA‑U) used in buried plastics piping systems for the supply of gaseous fuels. It is one part of the ISO 16…
Overview ISO 16486-4:2025 defines requirements for valves made from unplasticized polyamide (PA‑U) used in buried plastics piping systems for the supply of gaseous fuels. It applies to isolating unid…
1 Scope This document specifies the characteristics of valves made from unplasticized polyamide (PA-U) in accordance with ISO 16486‑1, intended to be buried and used for the supply of gaseous fuels.…