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CGA PS 31 : 2007(R2014)

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

CGA POSITION STATEMENT ON CLEANLINESS FOR PROTON EXCHANGE MEMBRANES HYDROGEN PIPING/COMPONENTS

Superseded date

17-10-2023

Superseded by

CGA PS-31:2007(R2019)

Published date

12-01-2013

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Addresses the potential negative impact of impurities on Proton Exchange Membrane (PEM) equipment and the steps that may be taken to manage the solid, liquid, and transitional impurities that can be introduced into a hydrogen supply system during the fabrication and installation of a hydrogen supply system.

DocumentType
Standard
PublisherName
Compressed Gas Association
Status
Superseded
SupersededBy

CGA G 5.4 : 2012 STANDARD FOR HYDROGEN PIPING SYSTEMS AT USER LOCATIONS
CGA G 5.8 : 2007 HIGH PRESSURE HYDROGEN PIPING SYSTEMS AT CONSUMER LOCATIONS

CGA G 4.1 : 2009 CLEANING EQUIPMENT FOR OXYGEN SERVICE

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