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NSN 4820-00-142-1020

Velocity Fuse

About this product

Disk flow control device, exposed spring bonnet type, bolted bonnet attachment method, disk loading method: spring.

Manufacturer part number R6134AL for national stock number 4820001421020.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-142-1020.

  • MPN or Model

    R6134AL

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    175 lb
  • Flow Control Device
    Disk
  • Bonnet Type
    Exposed spring
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    49500.0 pounds per hour
  • Bolt Hole Quantity
    9 2nd end
  • Valve Operation Method
    Automatic or manual
  • Flange Shape
    Round with holes 2nd end
  • Connection Type
    Flange 1st end
  • Features Provided
    Valve stem lock shield
  • Valve Size
    2.500 inches
  • Opening Pressure Setting
    630.0 pounds per square inch
  • Outside Diameter
    8.688 inches 2nd end
  • Thickness
    1.125 inches 1st end
  • First Connection Face To Centerline Distance
    6.000 inches
  • Bolt Hole Diameter
    0.812 inches 2nd end
  • Second Connection Face To Centerline Distance
    5.312 inches
  • Bolt Circle Diameter
    7.125 inches 2nd end
  • Flange Face Design
    Plain 2nd end
  • Raised Face Height
    0.250 inches 1st end
  • Raised Face Diameter
    4.125 inches 1st end
  • Style Designator
    Angle flanged ends
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 4820001421020

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
R6134AL Dresser, Inc.
R-6134-AL Ashcroft Inc.
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