Control System

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The Company provides pneumatic actuator or electricactuator coupled with Wanlong valves. The customer is able to choose from actuators we recommend or a specific actuator shall be assembled to a Wanlong valve upon the customer’s requirement.

1.Pneumatic actuator
Pneumatic actuator, a piston type actuator with a simple structure of gear and rack having
a long travel stop with great driving forces, is well used in industries of power plant, chemical, refinery, etc.

Features:
1)Quick movement
2)High reliability
3)Easy maintenance
4)Great out put power
5)Explosion proof

2.Electric actuator
Electric actuator is commonly used in industries of power, steel, water andchemical, etc.

Features:
1)Auto-lock function to retain valve in the last position, avoiding unnecessary travel of the valve under the line pressure.
2)Adapted to DC 1500 times
3)Precise control
4)Travel stop
5)Power-off or signal-off protection
6)Hand device (no need using clutch when power-off)