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NSN 4820-01-622-1531

Velocity Fuse

About this product

Disk flow control device, inside spring bonnet type, pressure seal, ring type bonnet attachment method, disk loading method: spring.

Manufacturer part number 81PSM68-4(150PSIG) for national stock number 4820016221531.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-622-1531.

  • MPN or Model

    81PSM68-4(150PSIG)

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Pressure seal, ring type
  • Disk Loading Method
    Spring
  • Connection Style
    Plain (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe 2nd end
  • Thread Size
    1.00 inches 2nd end
  • Opening Pressure Setting
    150.0 pounds per square inch
  • Material
    Steel comp 316 body
  • Media For Which Designed
    Liquid single response
  • Style Designator
    Angle
  • Thread Series Designator
    Npt 1st end
  • Furnished Items And Quantity
    1 orifice plate
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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 4820016221531

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
81PSM68-4(150PSIG) Pentair Valves & Controls Us Lp
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