CGA G-5.6:2005 (R2013)

This is a joint European Industrial Gases Association (EIGA)/CGA international harmonized standard on metallic transmission and distribution piping systems carrying pure hydrogen and hydrogen mixtures as shown in Figure 1 of Appendix A. It is limited to gaseous products with a temperature range between –40 °C and 175 °C (–40 °F and 347 °F); total pressures from 1 MPa to 21 MPa (150 psig to 3000 psig); and defined concentration criteria.