Product Name: Fisher P539A Pneumatic Actuator
Brand: Fisher
Product Code: P539A
Tags: Fisher
Pneumatic Actuator
Fisher Pneumatic
Pneumatic
Pneumatic Actuator
Fisher P539A
Fisher P539A Actuator
Fisher Actuator
Fisher P539A Pneumatic Actuator
Pneumatic Actuator
Fisher P539A Pneumatic
Pneumatic
Pneumatic
P539A Pneumatic Actuator
Fisher P539A
Fisher Actuator
Fisher P539A
Fisher P539A Pneumatic
Pneumatic Actuator
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Fisher™ Type P539A Pneumatic ActuatorType P539A pneumatic actuator permits opening and closing Fisher N550/N551 Series Snappy Joe emergency shutoff valves (ESVs) both at the valve with the use of a pneumatic 4-way valve and from a remote location. The actuator opens the valve when pressure is applied. Upon loss of pressure, the N550/N551 Series closes, assisted by the spring in the pneumatic actuator.FeaturesRemotely Operate Emergency Shutoff Valves on Stationary Storage Tanks at Bulk PlantsFusible Element Provides Thermal ReleaseReturn Mechanism: Spring only?no air requiredSpecificationsEmergency Shutoff Valve End Connection Size and Style1-1/4, 2 and 3-inch NPTActuator Pressure LimitsMinimum: 20 psig / 1,4 barMaximum: 40 psig / 2,8 barRecommended Operating Pressure: 20 to 25 psig / 1,4 to 1,7 barTemperature Capabilities-40° to 150°F / -40° to 66°CApproximate Weight4.8 Pounds / 2 kgThermal Release Melt Point212°F / 100°C