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NSN 4820-00-397-7072

Velocity Fuse

About this product

1.500 inches 1st end pipe size accommodated, disk flow control device, inside spring bonnet type, bonnet attachment method: bolted.

Manufacturer part number 20WR1 1-2 for national stock number 4820003977072.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-397-7072.

  • MPN or Model

    20WR1 1-2

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    1.500 inches 1st end
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Connection Style
    Plain, optional en (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe all ends
  • Features Provided
    Pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    11-1/2 all ends
  • Adjustable Pressure Range
    +0.0/+650.0 pounds per square inch
  • Thread Size
    1.500 inches all ends
  • Material
    Copper alloy
  • Style Designator
    Angle
  • Thread Series Designator
    Npt all ends
More from these suppliers
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 4820003977072

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20WR1 1-2 Ross Valve Manufacturing Company,
800E1437 Kersey / American Lafrance
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