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NSN 4820-01-334-1374

Velocity Fuse

About this product

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

Manufacturer part number 1905-30GC-1 S/N for national stock number 4820013341374.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-334-1374.

  • MPN or Model

    1905-30GC-1 S/N

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Bolt Hole Quantity
    4 2nd end
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes 2nd end
  • Connection Type
    Flange 1st end
  • Valve Size
    2.500 inches
  • Adjustable Pressure Range
    +19.0/+25.0 pounds per square inch
  • Maximum Operating Pressure
    150.0 pounds per square inch single response
  • Outside Diameter
    5.000 inches 2nd end
  • Thickness
    0.688 inches 1st end
  • First Connection Face To Centerline Distance
    4.750 inches
  • Bolt Hole Diameter
    0.750 inches 1st end
  • Second Connection Face To Centerline Distance
    4.875 inches
  • Bolt Circle Diameter
    5.500 inches 1st end
  • Flange Face Design
    Raised straight 2nd end
  • Raised Face Height
    0.062 inches all ends
  • Raised Face Diameter
    4.125 inches 1st end
  • Material
    Steel comp 316 flow control device
  • Style Designator
    Err-090
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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 4820013341374

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
1905-30GC-1 S/N Dresser, Inc.
PL315223 ASSY 1905-30GC-1 Dresser, Inc.
315223 Dresser, Inc.
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