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Murphy 0-50 PSI Mechanical Pressure Swichgage 2 in. - Plated Steel - 20P-50

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Murphy 0-50 PSI Mechanical Pressure Swichgage 2 in. - Plated Steel - 20P-50
The Murphy 0-50 PSI Mechanical Pressure Swichgage 20P-50 is a diaphragm-actuated, pressure-indicating gage with a built-in electrical switch. This swichgage is used for tripping alarms and/or shutdown devices. 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, built-to-last instrument. Accuracy and protection from moderate overpressure is assured by a unique, unitized diaphragm chamber. A built-in pulsation dampener helps eliminate pointer flutter and is removable for cleaning.The gage pointer acts as a pressure indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contacts are grounded through the Swichgage case and have self-cleaning motion to ensure electrical continuity. The gage pointer makes with an adjustable contact to complete a pilot-duty circuit. Designed to protect engines/equipment in oil field, marine, irrigation, construction and trucking applications to monitor engine lube pressure, water pump pressure, hydraulic pressure and air pressure.  FEATURES:2 inch/51 mm dialSteel Case Coated to Resist CorrosionPolycarbonate, Break-Resistant LensPolished Stainless Steel BezelCombination Indicating Gage and Limit SwitchSwitch Can Activate Alarms and/or Shutdown EquipmentExceeds SAE Standards PRODUCT SPECIFICATIONS:Part No.: 20P-50Range: 0-50 psi (0-345 kPa)Dial: White on black, dual scale; U.S.A. standard scale is psi/kPaCase: Plated steel; mounting clamp included (except for direct mount models)Bezel: Polished stainless steelLens: Polycarbonate, high-impactOil: Silicon OilTemperature 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 brassSensing Element: Beryllium copper diaphragmAdjustable Limit Contact: SPST contact; pilot- duty only, 2 A @ 30 VAC/DC; Normally Close (NC) when the low limit is met. Normally Open (NO) when pointer is in normal operating range. Contacts are gold flashed silverLimit Contact Adjustment: by a 1/16 in. hex wrench thru 100% of the scaleLimit Contact Wire Leads: 18 AWG (1.0 mm2) x 12 in. (305 mm)Unit Weight: 8 oz. (0.23 kg)Unit Dimensions: 3 x 3 x 3 in. (76 x 76 x 76 mm)
  • Availability: In Stock
  • Brand: Murphy
  • Mpn: 20P-50
  • Shipping Weight: 0.48
  • Website: http://www.PartDeal.com
  • Call To Order: 1-800-548-1191




$50.49
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Seller Info
Sign-in Name: PartDeal (0) 
Member Since: 30-Aug-2013
Last Login: 2 weeks ago
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Listing Info
Asking Price: $50.49 US Dollars
Refund Policy: Ask seller for details.
Date Posted: more than 1 month ago



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