Gasket Dimensions for ANSI/ASME and DIN EN pipe flanges Full Face Gaskets for flat face flanges Class 75 Class 150 Class 300 Class 400 Class 600 Class 900 DIN-EN PN6 to PN40 Menu Class 75 Class 150 Class 300 Class 400 Class 600 Class 900 DIN-EN PN6 to PN40 Ring Gaskets for raised face flanges Class 75 Class 150 Class 300 Class 400 Class 600 Class 900 DIN-EN PN2.5 to PN63 Menu Class 75 Class 150 Class 300 Class 400 Class 600 Class 900 DIN-EN PN2.5 to PN63 Spiral Wound Gaskets for flat & raised face flanges ANSI B16.20 Class 150 to 2500 Menu ANSI B16.20 Class 150 to 2500