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About This Item
Full Description
This International Standard specifies the constructive and qualitative criteria, test methods and marking for valves having a polyethylene (PE) body and intended for use with PE pipes and fittings for the supply of gaseous fuels.
In addition, it specifies some general properties of the material from which these valves are made. It is applicable to bi-directional valves with spigot ends or electrofusion sockets conforming to ISO 8085-3 intended to be used with pipes conforming to ISO 4437 and with spigot fittings conforming to ISO 80852.
This International Standard covers valves having a nominal outside diameter up to and including 225 mm and for which the service temperature lies between −20 °C and +40 °C.
Methods of test are given in normative annexes A to F inclusive.
Document History
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ISO 4437-5:2024
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 5: Fitness for purpose of the system- Most Recent
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ISO 4437-5:2014
Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 5: Fitness for purpose of the system- Historical Version
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ISO 4437:2007
Buried polyethylene (PE) pipes for the supply of gaseous fuels - Metric series - Specifications- Historical Version
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ISO 10933:1997
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Polyethylene (PE) valves for gas distribution systems- Historical Version
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ISO 4437:1997
Buried polyethylene (PE) pipes for the supply of gaseous fuels - Metric series - Specifications- Historical Version