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NSN 4820-01-127-3844

Velocity Fuse

About this product

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

Manufacturer part number 20279-017-91SS for national stock number 4820011273844.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-127-3844.

  • MPN or Model

    20279-017-91SS

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    2.500 inches all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • End Application
    Los angeles class ss (688)
  • Connection Style
    Err-090 all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Butt weld pipe all ends
  • Adjustable Pressure Range
    +717.0/+840.0 pounds per square inch
  • Material
    Stainless steel seat
  • Material Specification
    Qq-c-390, alloy d4/d/ federal specification single material response body
  • Style Designator
    Err-090
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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 4820011273844

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
20279-017-91SS Pentair Valves & Controls Us Lp
20279-017-91SS Anderson Greenwood Lp
2027901E0750 Pentair Valves & Controls Us Lp
Stock Check
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