Single-Seat Globe Control Valve, 3/4-3 In, 150-600 LB, RF

Actuator type Single-acting diaphragm actuator, Spring type piston actuator, Double acting piston actuator Diaphragm material Cloth embedded nylon and ethylene propylene rubber Spring range • 20 to 100 kPa(0.2 to 1.0 kgf/cm2) • 40 to 200 kPa(0.4 to 2.0 kgf/cm2) • 80 to 240 kPa(0.8 to 2.4 kgf/cm2) Supply pressure 0.14, 0.16, 0.28, 0.4, 0.5 Mpa Air Connection Rc1/4 or 1/4 NPT internal thread Ambient Temperature -20 to 70℃ Valve action • FO: Air to close(Direct action actuator is combined.) • FC: Air to open(Reverse action actuator is combined.) Optional accessories • P/P or I/P Positioner • Air filter regulator • Top-mounted or Side-mounted Handwheel • Limit switch • Solenoid valve • Motion transmitter • Booster relay • Lock-up valve • Air lock relay • Others Performance Flow characteristics • Equal percentage • Linear Leakage • Metal Seat According to ANSI B16.104 Class II, leakage less than 0.5% of maximum valve capacity. • Soft Seat According to ANSI B16.104 Class VI, leakage less than 0.00001% of maximum valve capacity. Inherent rangeability • 50:1 (Optional 75:1 for full port size) Hysteresis error • Without positioner: Within 3% F.S. • With positioner: Within 1% F.S.