Connection: Flange Appliance Temperature: -80-200℃ Actuator: Handwheel, wormgear, electric, pneumatic. A. Main Technical Parameter: Nominal Diameter: DN15-DN600 Max.Angel:90. Air supply pressure: 0.4-0.7MPa Nominal Pressure(MPa):1.6,2.5,4.0,6.4 Power supply: 24VDC, 220V