05701766 Murphy Differential Pressure Swichgage Model A20DP-K-2B

The 20DP and A20DP Series (2 inch/51 mm dial) and the 25DP and A25DP Series (2-1/2 inch/64 mm dial) Swichgage instruments are diaphragm-actuated, differential pressure-indicating gages with a built-in electrical switch. This switch is used for tripping alarms and/or shutting down equipment. These gages are 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 A20DP and A25DP series have a polycarbonate case and are sealed from the environment. All feature a polycarbonate, breakresistant lens and a polished, stainless steel bezel to help protect these rugged, built-to-last instruments. 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 have self-cleaning motion to ensure electrical continuity.

This product may vary on delivery times, as factories do not guarantee production due to lack of raw materials.

COD: 05701766 Categorie: , Tag:
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Descrizione

Base Model: A20DP Swichgage instrument

The gage pointer makes with an adjustable contact to complete a pilot-duty circuit.
Options: K = Knob Adjusting Face Contact
Range: 2B

Product specifications:
  • Dial: White on black, dual USA/UK standard scale (U.S.A. standard scale is psi/kPa; U.K. standard scale is psi/bar)
  • Case: Polycarbonate
  • Bezel: Polished stainless steel, standard; others available
  • Pointer: Tempered nickel silver; red tip
  • Lens: Polycarbonate, high impact
  • Oil: Silicon oil
  • Temperature Range:
    • Ambient: -40° to 150° F (-40° to 66° C)
    • Process: -40° to 250° F (-40° to 121° C)
  • Process Connection: 1/8-27 NPTM brass
  • Sensing Element: Beryllium copper diaphragm
  • Gage Accuracy: ±3% maximum across scale
  • Snap-Switch Rating (DPE models): SPDT, 3A@30 VDC inductive; 4A@125 VAC inductive
  • Adjustable Limit Contact: SPST contact; pilot-duty only, 2A@30 VAC/DC; Closed when the low limit is met, open when pointer is in normal operating range. Contacts are gold flashed silver
  • Limit Contact Adjustment: by 1/16 in. hex wrench through 100% of the scale
  • Limit Contact Terminals: A20DP series #4 screw terminals
  • Unit Weight: A20 Series Models: 9 oz. 0.25 kg
  • Unit Dimensions: A20DP Series models: 3 x 2-3/4 x 2-3/4 in. (76 x 70 x 70 mm)
Dimensions

05701766 murphy differential pressure swichgage a20dp-k-2b

05701766 murphy differential pressure swichgage a20dp-k-2b

Informazioni aggiuntive

Peso 0,25 kg
brand

Murphy
gtin

05701766, A20DP-K-2B

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