Pneumatic Double Seat Control Valve: Port size:DN20~300, NPS 3/4〞~ 12〞 Pressure:PN16 ~ 100,150LB ~ 600LB Medium:Water,oil,steam,gas Temperature :-196～450℃ Body material:WCB,LCB,CF8,CF3,CF8M,CF3M Connection：Flanged,butt weld is optional Position type：Air pressure increase, valve close or opposite Characteristic：Linear, Equal percentage,quick open Voltage：Depond on accessories Other:Single seat,double seat,sleeve is optional Pneumatic control valve Body type: straight through casting globe type Spool […]