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NSN 4820-01-020-4709

Velocity Fuse

About this product

0.750 inches 2nd end pipe size accommodated, poppet flow control device, inside spring bonnet type, bonnet attachment method: integral.

Manufacturer part number SERIES125 for national stock number 4820010204709.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-020-4709.

  • MPN or Model

    SERIES125

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    050855 - Cocks R Valves Etc Bbc
  • Unit Weight (Est.)
    1.1 lb
  • Pipe Size Accommodated
    0.750 inches 2nd end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Connection Style
    G9 plain, optional en (pipe) 1st end
  • Valve Operation Method
    Automatic or manual
  • Connection Type
    Threaded internal pipe 1st end
  • Thread Size
    0.750 inches 2nd end
  • Opening Pressure Setting
    55.0 pounds per square inch
  • Material
    Copper alloy body
  • Surface Treatment
    Chromium
  • Style Designator
    Err-090
  • 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 4820010204709

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SERIES125 Aquatrol Inc.
440173 Legion Industries, Inc.
10-322-P55 Conbraco Industries Inc
125-3/4-55-STEAM Aquatrol Inc.
10-301-50 Conbraco Industries Inc
10-301CHROME55PSI Conbraco Industries Inc
Stock Check
Availability for this item was last checked on 05/25/21. The quantities and conditions available at the time were:
  • AR: 1
  • NS: 1