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NSN 4820-01-235-4865

Velocity Fuse

About this product

Disk flow control device, spring disk loading method, g46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end connection style, valve operation method: automatic or manual.

Manufacturer part number 1543E-3/4IN 30PSI for national stock number 4820012354865.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-235-4865.

  • MPN or Model

    1543E-3/4IN 30PSI

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    4 lb
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    406.0 degrees fahrenheit single response
  • Connection Style
    G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end
  • Valve Operation Method
    Automatic or manual
  • Connection Type
    Threaded external pipe 1st endthreaded internal pipe 2nd end
  • Maximum Operating Pressure
    250.0 pounds per square inch single response
  • Thread Size
    0.750 inches 1st end1.000 inches 2nd end
  • Opening Pressure Setting
    30.0 pounds per square inch
  • Material
    Copper alloy bodycopper alloy flow control devicesteel stem
  • Media For Which Designed
    Steam single response
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt 1st endnptf 2nd end
  • Furnished Items And Quantity
    1 lever
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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 4820012354865

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1543E-3/4IN 30PSI Dresser, Inc.
601ED-3/4 30PSI Anderson Greenwood Lp
FBFE3/4X1 Anderson Greenwood Lp
FBFE3/4X1 Kunkle Industries Inc
601ED-3/4 Anderson Greenwood Lp
6010E13/4 Anderson Greenwood Lp
1543E Dresser, Inc.
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