1-321-802-5889

NSN 4820-00-289-0853

Velocity Fuse

About this product

0.500 inches 1st end pipe size accommodated, poppet flow control device, inside screw bonnet type, bonnet attachment method: integral.

Manufacturer part number 1226 for national stock number 4820002890853.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-289-0853.

  • MPN or Model

    1226

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.1 lb
  • Pipe Size Accommodated
    0.500 inches 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Connection Style
    Plain (pipe) 1st end
  • Valve Operation Method
    Automatic or manual
  • Connection Type
    Threaded external pipe 1st end
  • Adjustable Pressure Range
    +176.0/+250.0 pounds per square inch
  • Maximum Operating Pressure
    250.0 pounds per square inch 1st response
  • Thread Size
    0.500 inches 1st end
  • Material
    Copper alloy
  • Media For Which Designed
    Air 1st response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Npt 1st end
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 4820002890853

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Manufacturer Part Numbers and Alternates
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451B
451B
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