2. OPERATION OF THE EQUIPMENT
a. Operation of Double Acting Actuators
Inline position
Across position
Port A:
Pressurized to open the valve. Actuator rotates CCW for opening.
Port B:
Pressurized for close the valve. Actuator rotates CW for closing.
Before connect the actuator
and valve to the piping system,
check the position of the valve
and the actuator pinion
Before connect the actuator
and valve to the piping system,
check the position of the valve
and the actuator pinion
Port A:
Pressurized to open the valve. Actuator rotates CCW for opening.
Port B:
Pressurized for close the valve. Actuator rotates CW for closing.
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valve & automation
