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NSN 4820-01-521-6258

System Pressure Regulating Valve

Datasheet

  • Product description

    System Pressure Regulating Valve NSN 4820-01-521-6258.

  • MPN or Model

    A4A-1

  • Schedule B
    8481.80.9015 (Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level)
  • NMF (National Motor Freight)
    127200 - Pressure Redcng Water Relief Valve
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System Pressure Regulating Valve

A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes valve, regulating, fluid pressure and valve, calibrated flow.

Mechanic Bill explains System Pressure Regulating Valve

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NSN 4820015216258

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
A4A-1 Parker-hannifin Corporation
A4A-DN 1IN/25MM/ W PC.261 Parker-hannifin Corporation
A4A-DN 1IN/25MM/ W PC.261 United Refrigeration, Inc.
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