NSN 4820-00-956-6181
Velocity Fuse
About this product
2.000 inches 1st end pipe size accommodated, disk flow control device, inside spring bonnet type, bonnet attachment method: integral.
Manufacturer part number 1771 for national stock number 4820009566181.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-956-6181.
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MPN or Model
1771
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Schedule B
8481.40.0000 (Safety or relief valves) -
Pipe Size Accommodated
2.000 inches 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Disk -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Integral -
Disk Loading Method
Spring -
Connection Style
G9 plain, optional en (pipe) 2nd end -
Connection Type
Threaded internal pipe 2nd end -
Features Provided
Bonnet packing and pressure tight outlet side -
Thready Qty Per Inch (tpi)
11-1/2 2nd end -
Maximum Operating Pressure
1300.0 pounds per square inch single response -
Thread Size
2.000 inches 1st end -
Opening Pressure Setting
750.0 pounds per square inch -
Material
Copper alloy -
Style Designator
Err-090 -
Thread Series Designator
Npt 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 4820-00-956-6181 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
1771 | Lunkenheimer Co |
Stock Check
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