ISO 4437-4:2015

Esta norma ha sido revisada por ISO 4437-4:2022

Resumen

ISO 4437-4:2015 specifies the characteristics of valves made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.

It also specifies the test parameters for the test methods referred to in this part of ISO 4437.

Esta norma contribuye al siguiente Objetivo de Desarrollo Sostenible

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