1.De-clutchable manual override disengages the actuator gear train for manual operation of the valve .

2.To engage manual operation,first pull out the lock handle and then rotate the clutch lever in anti-clockwise direction

until engagement takes place.To return to automatic mode,first pull out the lock handle and then totate the clutch lever in clockwise direction until engagement takes place.

3.Housing:cast iron

4.Gear:ductile iron

5.Shaft:ASTM A29M+CHROME PLATED

6.Temperature range:-20 degree to 120 degree

7.Movement:0-90 degree(1/4 turn)

8.Enclosure:IP65

9.Torque range:0-300 to 3600N.m