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NSN 4820-01-495-5307

Velocity Fuse

About this product

Pfor gas service; vent must be open to atmosphere or piped to downstream piping; vent plug (find no. 27) and associated o-ring (find no. 28) are not to be installed when valve is used in an air system; has monel trim.

Manufacturer part number MIL-V-22459 for national stock number 4820014955307.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-495-5307.

  • MPN or Model

    MIL-V-22459

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    1.000 inches all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Renewable Seat Ring Type
    Pressed-in
  • Maximum Operating Temp
    165.0 degrees fahrenheit single response
  • Connection Style
    Socket err-100
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal pipe all ends
  • Adjustable Pressure Range
    +76.0/+90.0 pounds per square inch
  • Maximum Operating Pressure
    1500.0 pounds per square inch single response
  • Part Name Assigned By Controlling Agency
    1" relief valve type 1751t
  • Material
    Nickel alloy flow control device
  • Material Specification
    Qq-n-281 federal specification single material response stem
  • Style Designator
    Err-090
  • Furnished Items And Quantity
    2 tailpiece and 2 nut and 1 plugged drain and 1 relief plug
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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 4820014955307

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MIL-V-22459 Military Specifications
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