FW Murphy

Products & Services


FW Murphy has been a leading innovator in engine controls and monitoring systems since 1939. FW Murphy offers hundreds of products that monitor and control compressors, pumps, generators, and more.


  • Pressure/ Vacuum/ Temperature/Level Monitoring Gauges
  • Level Shutdown Gauges

Temperature Gauges

  • Bearing
  • Cylinder
  • Oil
  • Bi Metallic
  • Dual Temperature Gauges

Fluid Level

  • Float Actuated
  • Oil Level
  • Crankcase Level
  • Hi-Lube Low-Lube Level
  • Level Maintainers

Vibration Detection

        • Speed Switches
        • Tachometer / Hour Meters
        • Electromechanical Time Meters

Annunciator &  Magnetic Switch

Annunciators and Magnetic Switches

These are the nerve centers that translate SWICHGAGE® contact operations into decisions and operate the alarm or shutdown device.

Engine and Pump Protection

Instrument Panels

  • Marine Engines
  • Drilling Engines
  • Auxiliary Generators
  • Power Units

Engine & Motor Control

  • Control Modules
  • Transformer Relay Assemblies and Electric Motor Controllers

Diesel-Fuel SHUTOFF Valves

  • Solenoid operated fuel shutoff valve
  • Diesel driven pumps and compressors
  • High pressure models

Alarm Lights

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