1-321-802-5889

NSN 4820-01-038-7442

Air Regulator Valve

About this product

Brass body material, angle body style, brass stem material, furnished items: automatic relief valve and cylinder gage and delivery gage.

Manufacturer part number 0781-3908 for national stock number 4820010387442.

Datasheet

  • Product description

    Fluid Pressure Regulating Valve NSN 4820-01-038-7442.

  • MPN or Model

    0781-3908

  • Schedule B
    8481.80.9015 (Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    40 lb
  • Body Material
    Brass
  • Body Style
    Angle
  • Stem Material
    Brass
  • Furnished Items
    Automatic relief valve and cylinder gage and delivery gage
  • Media For Which Designed
    Argon and helium
  • First End Connection Type
    Threaded external tube
  • First End Style Designator
    Inverted flare
  • First End Outside Diameter Tube Accommodated
    0.375 inches
  • First End Thread Size And Series/type Designator
    9/16-18 unf
  • First End Thread Class
    2a
  • First End Thread Direction
    Right-hand
  • Second End Relationship With First End
    Not identical
  • Second End Connection Type
    Threaded external gas cylinder
  • Second End Style Designator
    Swivel nut, flared
  • Second End Thread Size And Series/type Designator
    0.960-14 ngo
  • Second End Thread Direction
    Right-hand
  • Seat Material
    Brass
  • First End Seat Angle In Deg
    30.0
  • Flow Control Device
    Disk, flat, top and bottom guided
  • Flow Control Device Material
    Brass
  • End Connection Quantity
    2
  • Second End Thread Pitch Diameters
    +0.9100 to 0.9136 inches
  • Renewable Seat Ring Type
    Threaded
  • Outlet Pressure Range
    +0.0 to 40.0 pounds per square inch
  • Regulation Type
    1st stage automatic, 2nd stage manual
  • Manual Control Method
    Tee handle
  • Valve Stem Design
    Single seat
  • Valve Loading Method
    Spring
  • Maximum Inlet Pressure Rating
    3000.0 pounds per square inch
  • Filter
    Not included
  • Tempurature Rating
    Between -40.0 degrees fahrenheit and 165.0 degrees fahrenheit
Fluid Pressure Regulating Valve

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

Mechanic Bill explains Air Regulator Valve

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NSN 4820010387442

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
0781-3908 Victor Equipment Co
VTS400B973 Victor Equipment Co
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