NSN 4820-00-973-9100
Velocity Fuse
About this product
1.000 inches 1st end pipe size accommodated, poppet flow control device, inside spring bonnet type, bonnet attachment method: threaded.
Manufacturer part number 1975C for national stock number 4820009739100.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-973-9100.
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MPN or Model
1975C
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Pipe Size Accommodated
1.000 inches 1st end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Poppet -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Threaded -
Disk Loading Method
Spring -
Valve Discharge Flow Rate
24.8 gallons per minute -
Maximum Operating Temp
200.0 degrees fahrenheit single response -
Connection Style
G9 plain, optional en (pipe) 1st end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal pipe 1st end -
Features Provided
Bonnet packing and pressure tight outlet side -
Thready Qty Per Inch (tpi)
14 2nd end -
Maximum Operating Pressure
2000.0 pounds per square inch single response -
Thread Size
1.000 inches 1st end -
Opening Pressure Setting
525.0 pounds per square inch -
Material
Stainless steel stem -
Media For Which Designed
Water-oil-gas single response -
Style Designator
Err-090 -
Thread Series Designator
Npt 1st end -
Reference Number Differentiating Characteristics
As differentiated by method of operation, pressure setting and size of valve
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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 4820-00-973-9100 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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1975C | Dresser, Inc. |
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