with a torque range 50Nm(442 in-lb) to 300Nm(2655 in-lb) electric actuator which available in on-off type, modulating type and intelligent type. Size Available in 1/2 inch, 3/4 inch, 1 inch, 1 1/4 inch, 1 1/2 inch and 2 inch. Voltage optional: 12V, 24V DC; 110V, 220V, 380V AC. Suitable for water, oil, air, etc. Widely used in HVAC, irrigation, water treatment, etc.