1-321-802-5889

NSN 4820-01-127-6669

Velocity Fuse

About this product

0.750 inches all ends pipe size accommodated, disk flow control device, inside spring bonnet type, bonnet attachment method: threaded.

Manufacturer part number 20255 for national stock number 4820011276669.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-127-6669.

  • MPN or Model

    20255

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    10.9 lb
  • Pipe Size Accommodated
    0.750 inches all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Threaded
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    165.0 degrees fahrenheit single response
  • End Application
    Los angeles class ss (688)
  • Connection Style
    Socket with brazing ring err-100
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal pipe all ends
  • Adjustable Pressure Range
    +91.0/+105.0 pounds per square inch
  • Maximum Operating Pressure
    400.0 pounds per square inch single response
  • Material
    Nickel alloy
  • Media For Which Designed
    Liquid, ingested single response
  • 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 4820011276669

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20255 Pentair Valves & Controls Us Lp
20255M51M Pentair Valves & Controls Us Lp
20255 Anderson Greenwood Lp
20255M51M Anderson Greenwood Lp
2025501S0091 Pentair Valves & Controls Us Lp
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