NSN 4820-01-389-0481
Air Regulator Valve
12.050 in. H,3.500 in. Dia,3.910 in. Width; 25.0 nominal micron element.
Manufacturer part number B12 for national stock number 4820013890481.
Datasheet
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Product description
Fluid Pressure Regulating Valve NSN 4820-01-389-0481.
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MPN or Model
B12
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Schedule B
8481.80.9015 (Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level) -
NMF (National Motor Freight)
127200 - Pressure Redcng Water Relief Valve -
Body Material
Zinc -
Body Style
Straight thru -
Furnished Items
Bonnet and outlet pressure gage and internal bypass valve -
Media For Which Designed
Air -
First End Connection Type
Threaded internal pipe -
First End Style Designator
Optional end -
First End Thread Size And Series/type Designator
1/2-14 nptf -
First End Thread Direction
Right-hand -
Second End Relationship With First End
Identical -
Seat Material
Zinc -
Packing Material
Rubber, chloroprene and rubber, buna-s -
Flow Control Device
Disk, bevel seat, top guided -
Flow Control Device Material
Brass -
End Connection Quantity
2 -
Mounting Facility
Bracket -
Outlet Pressure Range
+5.0 to 125.0 pounds per square inch -
Regulation Type
Manual single stage -
Manual Control Method
Knob -
Valve Loading Method
Spring -
Maximum Inlet Pressure Rating
250.0 pounds per square inch -
Filter
Included -
End Application
Nimitz class cvn -
Tempurature Rating
Between 0.0 degrees fahrenheit and 175.0 degrees fahrenheit
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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](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-01-389-0481 fluid pressure regulating valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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B12 | Norgren C A Co |
B12-497-M2LA | Norgren C A Co |
Stock Check
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