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NSN 4820-00-348-4375

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, 3.5 gallons per minute valve discharge flow rate, connection style: gasket sea (boss) 1st end.

Manufacturer part number HPC139100 for national stock number 4820003484375.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-348-4375.

  • MPN or Model

    HPC139100

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    1.1 lb
  • Thread Class
    3b 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    3.5 gallons per minute
  • Connection Style
    Gasket sea (boss) 1st end
  • Connection Type
    Threaded internal boss 1st end
  • Mounting Facility
    Threaded fastener
  • Features Provided
    Pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    18 1st end
  • Adjustable Pressure Range
    +725.0/+1500.0 pounds per square inch
  • Maximum Operating Pressure
    825.0 pounds per square inch single response
  • Thread Size
    0.562 inches 1st end
  • Material
    Stainless steel seat
  • Media For Which Designed
    Hydraulic fluid, phosphate-ester base single response
  • Surface Treatment
    Anodize
  • Thread Series Designator
    Unf 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 4820003484375

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HPC139100 Tactair Fluid Controls, Inc.
HPC139100 Teledyne Hydra-power
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