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Overview ISO 4437-3:2024 specifies the characteristics and test parameters for polyethylene (PE) fittings used in plastics piping systems for the supply of gaseous fuels. It covers both fusion fittin…
1 Scope This part of ISO 4437 specifies the characteristics of fusion fittings made from polyethylene (PE) as well as of mechanical fittings for piping systems in the field of the supply of gaseous f…