本标准为ISO 4437-4-2015，标准的英文名称为Plastics piping systems for the supply of gaseous fuels -- Polyethylene (PE) -- Part 4: Valves，本标准在2015-04-01发布，在2015-04-01开始实施。
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.
本标准文件共有24页。 ISO 4437-4-2015 Plastics piping systems for the supply of gaseous fuels -- Polyethylene (PE) -- Part 4_ Valves.pdf(415.39 KB)
