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Murphy 130-250F Temperature Swichgage 2 in. with 20 Ft Capillary and Polycarbonate Case - A20T-250-20-1/2    Cars & Vehicles    Autos & Motorcycles    Parts & Accessories    2PK88V   

Murphy 130-250F Temperature Swichgage 2 in. with 20 Ft Capillary and Polycarbonate Case - A20T-250-20-1/2
The Murphy 130-250F Mechanical Temperature Swichgage with 20 Ft Capillary A20T-250-20-1/2 is a diaphragm-actuated, temperature-indicating gage with built-in electrical switch for tripping alarms and/or shutdown devices. This rugged, built-to-last instrument is fully sealed from the environment by the unique combination of a polycarbonate case and lens, a polished stainless steel bezel, and O-ring seals. This vapor/pressure actuated gauge features a sealed capillary tube and a sensing bulb. When subjected to heat, the liquid in the sensing bulb changes to vapor creating pressure against a diaphragm mechanism. The diaphragm translates this vapor pressure into a mechanical gage reading.The gage pointer acts as a temperature indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contact(s) are isolated from ground. They have self-cleaning motion to enhance electrical continuity. Applications for A20 series temperature swichgage instruments include: engines and equipment in oil field, marine, irrigation, construction and trucking industries. Monitoring engine coolant temperature, crankcase oil and transmission oil. FEATURES:2 inch/51 mm dialO-ring SealsPolished Stainless Steel BezelCorrosion Resistant Polycarbonate CaseIndicating Gage and Limit SwitchSwitch Can Activate Alarms and/or Shut Down EquipmentContact(s) Isolated From Ground PRODUCT SPECIFICATIONS:Part No.: A20T-250-20-1/2Range: 130-250°F (60-121°C)Adapter Nut: 1/2-14 NPTDial: White on blackCase: Glass filled/Polycarbonate, corrosion-resistant; steel mounting clamp includedBezel: Polished stainless steelPointer: Tempered nickel silver; red tipLens: Polycarbonate, high-impact.Sensing Element: Beryllium copper diaphragmSensing Bulb: CopperCapillary: PVC armored copper; 20 ft. Sensing Bulb: CopperAdjustable Limit Contact: SPST contact; pilot-duty only, 2 A @ 30 VAC/VDC; isolated from case ground. Normally Closed when the high limit is met. Normally Open 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 scaleWiring: Number 4 screw terminalsUnit Weight: 11.9 oz. (0.370 kg)Unit Dimensions: 4-3/4 x 4-3/4 x 3 in. (121 x 121 x 76 mm)
  • Availability: In Stock
  • Brand: Murphy
  • Mpn: A20T-250-20-1/2
  • Shipping Weight: 1.17
  • Category: gauges > switch-gauges
  • Website:
  • Call To Order: 1-800-548-1191

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Seller Info
Name: PartDeal (0) 
Member Since: 30-Aug-2013
Last Login: this week
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Listing Info
Asking Price: $126.22 US Dollars
Refund Policy: Ask seller for details.
Date Posted: more than 1 month ago Marketplace. Buy & Sell Anything. Secured By Part of the network.

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