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NSN 4820-00-881-2723

Velocity Fuse

About this product

0.500 inches 2nd end pipe size accommodated, poppet flow control device, spring disk loading method, connection style: g9 plain, optional en (pipe) 1st end.

Manufacturer part number 5159B-4MP-18.5 for national stock number 4820008812723.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-881-2723.

  • MPN or Model

    5159B-4MP-18.5

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.500 inches 2nd end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit 2nd response
  • Connection Style
    G9 plain, optional en (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe 1st end
  • Thready Qty Per Inch (tpi)
    14 2nd end
  • Adjustable Pressure Range
    +0.0/+1000.0 pounds per square inch
  • Maximum Operating Pressure
    2500.0 pounds per square inch single response
  • Thread Size
    0.500 inches 2nd end
  • Opening Pressure Setting
    18.5 pounds per square inch
  • Material
    Copper alloy body
  • Media For Which Designed
    Hydrogen 5th response
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt 1st 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 4820008812723

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5159B-4MP-18.5 Circor Aerospace, Inc.
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