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NSN 4820-01-255-8899

Velocity Fuse

About this product

2.000 inches 2nd end pipe size accommodated, disk flow control device, 4 1st end bolt holes, connection style: socket with brazing ring err-100.

Manufacturer part number 9957D41M for national stock number 4820012558899.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-255-8899.

  • MPN or Model

    9957D41M

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Pipe Size Accommodated
    2.000 inches 2nd end
  • Flow Control Device
    Disk
  • Bolt Hole Quantity
    4 1st end
  • End Application
    Propulsion systems
  • Connection Style
    Socket with brazing ring err-100
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes 1st end
  • Connection Type
    Unthreaded internal pipe 2nd end
  • Adjustable Pressure Range
    +20.0/+24.0 pounds per square inch
  • Outside Diameter
    6.000 inches 1st end
  • Thickness
    0.500 inches 1st end
  • Bolt Hole Diameter
    0.750 inches 1st end
  • Bolt Circle Diameter
    4.750 inches 1st end
  • Flange Face Design
    Plain 1st end
  • Material
    Steel comp 316 stem
  • 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 4820012558899

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
9957D41M Pentair Valves & Controls Us Lp
9957 Pentair Valves & Controls Us Lp
9957 Anderson Greenwood Lp
9957D41M Anderson Greenwood Lp
Stock Check
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