NF E29-901-2*NF EN 12560-2:2013 Flanges and their joints - Dimensions of gaskets for Class-designated flanges - Part 2 : spiral wound gaskets for use with steel flanges
2013NF E29-901-2*NF EN 12560-2:2013 Flanges and their joints - Dimensions of gaskets for Class-designated flanges - Part 2 : spiral wound gaskets for use with steel flanges