Fisher 644 and 645 Actuators

Fisher

Product Code: 644 and 645
Brand: Fisher



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Description for Fisher 644 and 645 Actuators

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.SpecificationsActuationManualCertificationsCUTRControl TypeOn/OffOperating TemperatureStandard TemperaturePower SourceManualValve TypeGlobe ValveOther ConfigurationsContact your local Emerson business partner or sales office to learn about additional specifications or options for this product.

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