NSN 4820-00-287-3400
Velocity Fuse
About this product
1.000 inches 2nd end pipe size accommodated, disk flow control device, inside spring bonnet type, bonnet attachment method: threaded.
Manufacturer part number 118-1-40 for national stock number 4820002873400.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-287-3400.
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MPN or Model
118-1-40
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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 2nd end -
Thread Direction
Right-hand 1st end -
Flow Control Device
Disk -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Threaded -
Disk Loading Method
Spring -
Renewable Seat Ring Type
Bolted -
Maximum Operating Temp
450.0 degrees fahrenheit single response -
Connection Style
Plain, optional en (pipe) 2nd end -
Valve Operation Method
Automatic -
Connection Type
Threaded internal pipe 2nd end -
Features Provided
Pressure tight outlet side -
Thready Qty Per Inch (tpi)
11-1/2 2nd end -
Adjustable Pressure Range
+29.0/+40.0 pounds per square inch -
Maximum Operating Pressure
300.0 pounds per square inch single response -
Thread Size
1.000 inches 2nd end -
Material
Rubber butadiene-acrylonitrile class nbr flow control device -
Media For Which Designed
Water-oil-gas 2nd response -
Style Designator
Angle -
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 4820-00-287-3400 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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118-1-40 | Leslie Controls, Inc. |
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