1-321-802-5889

NSN 4820-01-353-2852

Velocity Fuse

About this product

Disk flow control device, spring disk loading method, g46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end connection style, valve operation method: automatic.

Manufacturer part number 559B-2M-A for national stock number 4820013532852.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-353-2852.

  • MPN or Model

    559B-2M-A

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Connection Style
    G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external pipe 1st endthreaded internal pipe 2nd end
  • Thread Size
    0.250 inches all ends
  • Opening Pressure Setting
    0.5 pounds per square inch
  • Material
    Copper alloy body
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt all ends
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 4820013532852

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
559B-2M-A Circor Aerospace, Inc.
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