NSN 4820-00-843-5743
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 4820008435743.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-843-5743.
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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
270.0 pounds per hour -
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
110.0 pounds per square inch -
Material
Stainless steel -
Media For Which Designed
Steam single response -
Style Designator
Err-090 -
Thread Series Designator
Npt 1st end -
Reference Number Differentiating Characteristics
As differentiatedby valve size and set pressure
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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 4820-00-843-5743 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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1975C | Dresser, Inc. |
Stock Check
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