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NSN 4820-00-237-3409

Velocity Fuse

About this product

1.250 inches 1st end pipe size accommodated, disk flow control device, inside screw bonnet type, bonnet attachment method: bolted.

Manufacturer part number 629 1-1/4IN for national stock number 4820002373409.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-237-3409.

  • MPN or Model

    629 1-1/4IN

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • Pipe Size Accommodated
    1.250 inches 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    163.0 pounds per hour
  • Maximum Operating Temp
    450.0 degrees fahrenheit single response
  • Connection Style
    Plain, optional en (pipe) 1st end
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded internal pipe 1st end
  • Features Provided
    Pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    11-1/2 2nd end
  • Adjustable Pressure Range
    +1.0/+250.0 pounds per square inch
  • Maximum Operating Pressure
    15.0 pounds per square inch single response
  • Thread Size
    1.000 inches 2nd end
  • Opening Pressure Setting
    15.0 pounds per square inch
  • Material
    Copper alloy body
  • Media For Which Designed
    Steam single response
  • Style Designator
    Angle
  • Thread Series Designator
    Npt 1st end
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 4820002373409

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
629 1-1/4IN Lunkenheimer Co
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