DS EN 1092-4:2002
DS EN 1092-4:2002 Flanges And Their Joints - Circular Flanges For Pipes, Valves, Fittings And Accessories, Pn Designated - Part 4: Aluminium Alloy Flanges Defines requirements for PN designated circular flanges for pipes, valves, fittings and accessories made from aluminium alloy in the range of DN 15 to DN 600 and PN 10 to PN 63.