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NSN 4820-01-174-3497

Velocity Fuse

About this product

Poppet flow control device, manual valve operation method, +40.0/+125.0 pounds per square inch adjustable pressure range, maximum operating pressure: 3600.0 pounds per square inch single response.

Manufacturer part number 620B-3-12-2 for national stock number 4820011743497.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-174-3497.

  • MPN or Model

    620B-3-12-2

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    1.2 lb
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Maximum Operating Temp
    225.0 degrees fahrenheit single response
  • Valve Operation Method
    Manual
  • Adjustable Pressure Range
    +40.0/+125.0 pounds per square inch
  • Maximum Operating Pressure
    3600.0 pounds per square inch single response
  • Material
    Aluminum alloy body
  • Style Designator
    Err-090
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 4820011743497

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
620B-3-12-2 Parker-hannifin Corporation
620B-3-12-2 Teledyne Industries Inc
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