This European Standard specifies the construction, dimensions and marking of covered serrated metal gaskets foruse with flanges complying with prEN 1759-1 for Class 150, Class 300, Class 600, Class 900, Class 1500 andClass 2500 up to and including NPS 24.
EN 12560-6:2003 history
2003EN 12560-6:2003 Flanges and their joints - Gaskets for class-designated flanges - Part 6: Covered serrated metal gaskets for uses with steel flanges