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Mechanical 0-30 PSI Differential Pressure Murphygage w/o Contact 20DPG-30

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Mechanical 0-30 PSI Differential Pressure Murphygage 2 in. w/o Contact - Plated Steel - 20DPG-30 by Murphy

Product Condition: NEW
Murphy Mechanical Differential Pressure Gage "ONLY" 30 PSI with Plated Steel Case 20DPG-30
Estimated ship date: for orders by 3pm PT/6pm ET today Available for back order.

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The Mechanical 0-30 PSI Differential Pressure Murphygage 2" without Contact 20DPG-30 by Murphy is a diaphragm-actuated, differential pressure-indicating gage without contacts/switch. This gage is intended to monitor and indicate oil, fuel or water filter restriction and can reduce the risk of dangerously high pressure which may rupture the filter, resulting in contaminants entering the system. The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged instrument.



  • 2 inch/51 mm Dial
  • Monitors Engine Oil and Fuel Filters
  • Indicating Gage
  • Signals Coolant Loss or Aeration On Engine Water Pump
  • Steel Case Coated to Resist Corrosion
  • Polycarbonate, Break-Resistant Lens
  • Polished Stainless Steel Bezel
  • Gage ONLY without Contacts/Switch


  • Part No.: 20DPG-30
  • Range: 0-30 psi (0-207 kP)a [0-2.0 bar]
  • Maximum Static Pressure: 300 (2.1) [20]
  • Maximum Differential Pressure: 60 (414) [4.0]
  • Contact Setting: 20 (138) [1.0]
  • Dial: White on black, dual scale; U.S.A. standard scale is psi/kPa
  • Case: Plated steel
  • Bezel: Polished stainless steel
  • Lens: Polycarbonate, high-impact
  • Temperature Range: Ambient: -40°F (-40°C) thru 150°F (66°C); Process: -40°F (-40°C) thru 250°F (121°C)
  • Process Connection: 1/8-27 NPTM brass
  • Sensing Element: Beryllium copper diaphragm
  • Gage Accuracy: ±3% maximum across scale
  • Unit Weight: 11 oz. (0.29 kg)
  • Unit Dimensions: 4-3/4 x 4-3/4 x 2-3/4 in. (121 x 121 x 70 mm)

Additional Information

Product Condition NEW
upc No

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