1. Body: CI/DI
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