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NSN 4820-00-137-1805

Velocity Fuse

About this product

0.750 inches 1st end pipe size accommodated, disk flow control device, spring disk loading method, valve discharge flow rate: 252.0 cubic feet per minute.

Manufacturer part number 2017 for national stock number 4820001371805.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-137-1805.

  • MPN or Model

    2017

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    2.5 lb
  • Pipe Size Accommodated
    0.750 inches 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    252.0 cubic feet per minute
  • Maximum Operating Temp
    150.0 degrees fahrenheit single response
  • Connection Style
    Plain, optional en (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe 1st end
  • Features Provided
    Valve stem lock shield
  • Maximum Operating Pressure
    1000.0 pounds per square inch single response
  • Thread Size
    0.750 inches 1st end
  • Opening Pressure Setting
    250.0 pounds per square inch
  • Material
    Copper alloy
  • Media For Which Designed
    Air single response
  • Style Designator
    Angle
  • Thread Series Designator
    Npt 1st end
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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 4820001371805

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
2017 Tyco Fire Products Lp
913BDCM01 1/2X3/4 250 Anderson Greenwood Lp
1/2FIG23MA275PSIG Anderson Greenwood Lp
1-2IN23A275PSIG Anderson Greenwood Lp
14706 Demarkus Corp
22M A-2X3-4 250 Anderson Greenwood Lp
22 1-2X3-4 250 Anderson Greenwood Lp
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