Scope
This is a joint European Industrial Gases Association/CGA international harmonized standard on metallic transmission and distribution systems carrying pure hydrogen and hydrogen mixtures. It is limited to gaseous products with a temperature range between –40C and 175C, total pressure from 1 MPa to 21 MPa, and defined concentration criteria.
Status Explanation
The 1st edition was published in 2005, and re-affirmed in 2013. It is available at www.cganet.com