- Forged steel trunnion mounted ball valves
- 2016-10-24 03:57
- Features? Upstream sealing? Self relieving seat? Double block and bleed? Fire safe design? Anti-static device? Blow-out
- Trunnion ball valve
- 2016-10-23 20:01
- Introduction: Forged steel trunnion mounted ball valves are good choice comopared to cast steel trunnion mounted ball va