NO. | Part Name | Materials | ||||
1 | Body | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ASTM A351 CF3M |
2 | Disc | ASTM A351 CF8 | ASTM A351 CF8M | ASTM A351 CF8 | ASTM A351 CF8M | ASTM A351 CF3M |
3 | Stem | 17-4 PH | ||||
4 | Seat | SS316L+RPTFE | ||||
5 | Packing | RPTFE | ||||
6 | Gland | ASTM A351 CF8 | ASTM A351 CF8M | ASTM A351 CF8 | ASTM A351 CF8M | ASTM A351 CF3M |
7 | Insert | A105 | A105 | F304 | F316 | F316L |
8 | Operation | Lever,Manual gearbox,Pneumatic actuator,Electric actuator |
Products Features
- Long service life:the valve can be open/closed up to 670,000 times
- Ultra-Reliable seal performance:bi-directional zero leakage
- No extra O-ring for sealing performance
- Fire proof design
- Stem blow-out proof structure
- Easy maintanance to replace seat and disc
- application for power station,petrochemical,gas line etc