NSN 4820-01-420-3868
Velocity Fuse
About this product
Size 12 ist end connections; buna-n o-ring; polytetrafluoroethylene seat.
Manufacturer part number 640B-3-12-28 for national stock number 4820014203868.
Datasheet
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Product description
Safety Relief Valve NSN 4820-01-420-3868.
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MPN or Model
640B-3-12-28
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Flow Control Device
Poppet -
Disk Loading Method
Spring -
End Application
Nimitz class cvn -
Connection Style
G9 plain, optional en (pipe) all ends -
Valve Operation Method
Automatic -
Connection Type
Threaded internal tube all ends -
Adjustable Pressure Range
+40.0 to 125.0 pounds per square inch -
Maximum Operating Pressure
3600.0 pounds per square inch single response -
Opening Pressure Setting
90.0 pounds per square inch -
Material
Stainless steel body -
Style Designator
C1 angle
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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.
Pricing and Availability
Get a quote for 4820-01-420-3868 safety relief valveManufacturer Part Numbers and Alternates
| MPN manufacturer part number | Registrant or Supplier |
|---|---|
| 640B-3-12-28 | Parker-hannifin Corporation |
| 640B-3-12-28 | Teledyne Industries Inc |
Stock Check
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