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NSN 4820-01-177-3886

Velocity Fuse

About this product

Disk flow control device, spring disk loading method, automatic valve operation method, mounting facility: bracket.

Manufacturer part number 20321216691SST for national stock number 4820011773886.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-177-3886.

  • MPN or Model

    20321216691SST

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    35.3 lb
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Valve Operation Method
    Automatic
  • Mounting Facility
    Bracket
  • Valve Size
    1.000 inches
  • Maximum Operating Pressure
    1500.0 pounds per square inch single response
  • Criticality Code Justification
    Zzzy
  • Opening Pressure Setting
    1400.0 pounds per square inch
  • First Connection Face To Centerline Distance
    4.750 inches
  • Second Connection Face To Centerline Distance
    4.750 inches
  • 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 4820011773886

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20321216691SST Anderson Greenwood Lp
20321 Anderson Greenwood Lp
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