Fisher 644 and 645 Actuators
Product Code:644 and 645
Description
Fisher 644 and 645 actuators are used to automatically control steam-driven boiler feedwater pumps (reciprocating or turbine). The 644 or 645 actuator, when used in combination with one of several push-down-to-close sliding-stem valves, forms a pump governor. 644 and 645 actuators may also be combined with push-down-to-open valves to be used as relief governors.
Technical Specifications
Fisher 644 and 645 actuators are used to automatically control steam-driven boiler feedwater pumps (reciprocating or turbine). The 644 or 645 actuator, when used in combination with one of several push-down-to-close sliding-stem valves, forms a pump governor. 644 and 645 actuators may also be combined with push-down-to-open valves to be used as relief governors.
Specifications
- Actuation
- Manual
- Certifications
- CUTR
- Control Type
- On/Off
- Operating Temperature
- Standard Temperature
- Power Source
- Manual
- Valve Type
- Globe Valve
- Other Configurations
- Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.