- Handwheel Worm Gearbox Operator
- 2016-10-25 09:05
- Our 20-serise Aluminum valve handwheel gearbox, 90 quarter turn drive device is suitable for butterfly valve, ball valve
- Trunnion Mounted Ball Valve (B6-600)
- 2016-10-24 03:19
- Design Features:1 Double block and bleed design (DBB)2 Double stem sealing. The ball can maintain pressure sealing of pi