1.Body: Cast Iron/Ductile Iron
2.Gasket: NBR/EPDM
3.Cover: CI/DI
4.Disc: CS45#NBR/EPDM
5.Bolts: CS/SS
6.Design: EN1074-3
7.Flange end: EN1092-2/BS4504/DIN2532
8.Working pressure: PN10 PN16 PN25