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NSN 4820-01-472-5101

Velocity Fuse

About this product

Overall length 3.580 in. Nominal; orifice dia. 0.250 in.; weight 0.85 lb. Nominal; also suitable for 123 and 134a refrigerants and non-corrosive industrial fluids.

Manufacturer part number 5231-B 300PSI for national stock number 4820014725101.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-472-5101.

  • MPN or Model

    5231-B 300PSI

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Piston
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    225.0 degrees fahrenheit single response
  • Minimum Operating Temp
    -40.0 degrees fahrenheit
  • Connection Style
    G46b plain (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 2nd end
  • Maximum Operating Pressure
    300.0 pounds per square inch single response
  • Thread Size
    0.625 inches 2nd end
  • Opening Pressure Setting
    270.0 pounds per square inch
  • Material
    Copper alloy body
  • Media For Which Designed
    Refrigerant 12 1st response
  • Style Designator
    Err-090
  • Thread Series Designator
    Unf 2nd end
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Safety Relief Valve

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Mechanic Bill explains Velocity Fuse

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NSN 4820014725101

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5231-B 300PSI Henry Technologies Inc.
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