NSN 4820-00-995-0815
Velocity Fuse
About this product
4.000 inches 1st end pipe size accommodated, disk flow control device, inside spring bonnet type, bonnet attachment method: threaded.
Manufacturer part number 83 for national stock number 4820009950815.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-995-0815.
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MPN or Model
83
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Schedule B
8481.40.0000 (Safety or relief valves) -
Pipe Size Accommodated
4.000 inches 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Disk -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Threaded -
Disk Loading Method
Spring -
Connection Style
G9 plain, optional en (pipe) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal pipe 1st end -
Thready Qty Per Inch (tpi)
8 2nd end -
Thread Size
4.000 inches 1st end -
Opening Pressure Setting
150.0 pounds per square inch -
Material
Steel stem -
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 4820-00-995-0815 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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83 | Anderson Greenwood Lp |
Stock Check
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