CGA Publication G-5.6 (EIGA Doc 121/04)
    Hydrogen Pipeline Systems
     United States

Organization Compressed Gas Association

Identification CGA G-5.6
Hydrogen Pipeline Systems

Abstract 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.

Contact Published May 2005.  Reaffirmed November 2013.  Available at