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NSN 4820-00-875-1574

Velocity Fuse

About this product

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

Manufacturer part number 8171A for national stock number 4820008751574.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-875-1574.

  • MPN or Model

    8171A

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Bolt Hole Quantity
    14 1st end
  • Maximum Operating Temp
    650.0 degrees fahrenheit single response
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes 2nd end
  • Connection Type
    Flange 1st end
  • Mounting Facility
    Bracket
  • Valve Size
    8.000 inches
  • Maximum Operating Pressure
    50.0 pounds per square inch single response
  • Outside Diameter
    12.750 inches 1st end
  • Thickness
    1.437 inches 2nd end
  • First Connection Face To Centerline Distance
    9.187 inches
  • Bolt Hole Diameter
    0.875 inches 2nd end
  • Second Connection Face To Centerline Distance
    10.000 inches
  • Bolt Circle Diameter
    10.625 inches 2nd end
  • Flange Face Design
    Plain 1st end
  • Material
    Steel comp 416 stem
  • Style Designator
    Err-090
More from these suppliers
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 4820008751574

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
8171A Curtiss-wright Flow Control
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