Product Description
- Design & Manufacture: GB
- Face to Face Dimension: GB
- Inspect & Test: GB/T13927-92, GB/J9092
- Operation: Manuel
- Pressure Rating: PN16, PN25, PN40, PN64
Standard Material Construction:
- Body/Bonnet: Cast Iron, Carbon Steel and Stainless Steel
- Disc: Cast Iron, Carbon Steel and Stainless Steel
- Secondary Disc/Seat: Stainless Steel
- Diaphragm: Stainless Steel
- Main Disc/Seat: Stainless Steel
- Piston: Stainless Steel
- Secondary Spring: Chrome Vanadium Steel
- Main Spring: Chrome Vanadium Steel
- Adjusted Spring: Silicon Manganese Steel
- Piston Ring: Alloy Cast Iron