ACTUATORS
Fisher Actuator
Fisher 644 and 645 Actuators
Fisher 644 and 645 actuators are used to automatically control steam-driven boiler feedwater pumps (reciprocating or turbine). The Fisher 644 or 645 actuator, when used in combination with one of several push-down-to-close sliding-stem valves.
Features
- Steel and cast iron construction provides long service life.
- Few moving parts and easy access reduce maintenance and downtime.
- Spring adjustment is readily accessible without removing any parts.
- Direct-operated configuration provides fast speed of response.
Detail Specification
Valve Type | Globe Valve |
Control Type | On/Off |
Actuation | Manual |