Ductile Iron QT450 Butterfly Valves Material:QT450 Nominal Pressure:PN10 Nominal Diameter:DN800 End Connection:Flange Operation:Worm Gear Working Temp:-29℃~200℃ Test/Inspection:API 598/ISO 5208 PS:We can manufacture valves as customers’ requirements.

Worm gear WCB DN500 Wafer Triple Eccentric Butterfly Valves Material:WCB Nominal Pressure:PN10 Nominal Diameter:DN500 End Connection:Wafer Operation:Worm Gear Working Temp:-10℃~120℃ Test/Inspection:EN12266 PS:We can manufacture valves as customers’ requirements.