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Murphy 20P-75 Swichgage

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Murphy 20P-75 Swichgage®

FW Murphy , 20P-75

QC Supply Part #: 120385

Shipping: Standard

Availability: In stock

The Swichgage can be used to trip alarms and/or shut-down devices.

The Murphy 20P-75 Swichgage® can be used to trip alarms and/or shut-down devices. The 20 Series (2" dial) Swichgages® are diaphragm-actuated, pressure-indicating gauges, with built-in electrical switches.


  • Gauge mechanism enclosed in a coated steel case that resists corrosion
  • A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument
  • A unique, unitized diaphragm chamber ensures accuracy and protection from moderate overpressure
  • Built-in pulsation dampener helps eliminate pointer flutter and is removable for cleaning
  • Guage pointer acts as a pressure indicator
  • Contacts are grounded through the Swichgage® case and have self-cleaning motion to ensure electrical continuity
  • Internal snap-acting SPDT switches

Applications: The Swichgage® was specifically designed to protect engines/equipment in Oil Field, Marine, Irrigation, Construction and Trucking applications by monitoring Engine Lube Pressure, Water Pump Pressure, Hydraulic Pressure, Air Pressure, etc.

Manufacturer Part Number 20P-75

Customer Reviews

Great product
Review by Moose on Jul 23, 2015

I bought this product online, it shipped quick, installed right away and it is functioning perfectly!! Thanks QC Supply!

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