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NSN 4820-01-175-5079

Velocity Fuse

About this product

Stem flow control device, inside spring bonnet type, bolted bonnet attachment method, disk loading method: spring.

Manufacturer part number 20204VM51M for national stock number 4820011755079.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-175-5079.

  • MPN or Model

    20204VM51M

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    6 lb
  • Flow Control Device
    Stem
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Renewable Seat Ring Type
    Bolted
  • Valve Operation Method
    Automatic
  • Adjustable Pressure Range
    +271.0/+300.0 pounds per square inch
  • Maximum Operating Pressure
    750.0 pounds per square inch single response
  • Criticality Code Justification
    Zzzy
  • Material
    Copper alloy 922
  • Media For Which Designed
    Water, fresh single response
  • Reference Number Differentiating Characteristics
    Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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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 4820011755079

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20204VM51M Anderson Greenwood Lp
20204 Anderson Greenwood Lp
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