Description

Application: 

1. ​Used in conjunction with level transmitters, the Forbes Marshall boiler water level control valve modulates the amount of water that enters the boiler.

Actuator Features: 

1. ​Actuator Type: Diaphragm Pneumatic Actuator 
2. Actuator Action: Air To Close/ Air to Open 
3. Failure Position: Failed to Open/ Failed to Close

Positioner Features: 

1. ​Make: Forbes Marshall 
2. Model: 830 WP
3. Action: Linear 
4. Input Signal : 4-20mA