NSN 4820-00-942-9134
Velocity Fuse
About this product
Spring disk loading method, threaded internal tube 1st end connection type, 12 1st end thready qty per inch (tpi), maximum operating pressure: 200.0 pounds per square inch single response.
Manufacturer part number 645B-4-12-2 for national stock number 4820009429134.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-942-9134.
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MPN or Model
645B-4-12-2
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Schedule B
8481.40.0000 (Safety or relief valves) -
Thread Direction
Right-hand 1st end -
Disk Loading Method
Spring -
Maximum Operating Temp
225.0 degrees fahrenheit 2nd response -
Connection Type
Threaded internal tube 1st end -
Features Provided
Pressure tight outlet side -
Thready Qty Per Inch (tpi)
12 1st end -
Maximum Operating Pressure
200.0 pounds per square inch single response -
Thread Size
1.500 inches 1st end -
Opening Pressure Setting
200.0 pounds per square inch -
Outside Diameter Tube Accommodated
0.750 inches 1st end -
Material
Stainless steel seat -
Media For Which Designed
Fuel/oil, hydrocarbon single response -
Style Designator
Angle -
Thread Series Designator
Un 1st end
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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](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 4820-00-942-9134 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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645B-4-12-2 | Parker-hannifin Corporation |
645B4-12-2 | Teledyne Industries Inc |
Stock Check
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