NSN 4820-00-849-8040
Velocity Fuse
About this product
0.750 inches all ends pipe size accommodated, poppet flow control device, inside spring bonnet type, bonnet attachment method: bolted.
Manufacturer part number 174A for national stock number 4820008498040.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-849-8040.
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MPN or Model
174A
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Unit Weight (Est.)
1.3 lb -
Pipe Size Accommodated
0.750 inches all ends -
Thread Direction
Right-hand all ends -
Flow Control Device
Poppet -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Bolted -
Disk Loading Method
Spring -
Connection Style
G9 plain, optional en (pipe) all ends -
Valve Operation Method
Automatic or manual -
Connection Type
Threaded internal pipe all ends -
Features Provided
Bonnet packing -
Thread Size
0.750 inches all ends -
Opening Pressure Setting
125.0 pounds per square inch -
Material
Copper alloy -
Style Designator
Err-090 -
Thread Series Designator
Npt all ends -
Reference Number Differentiating Characteristics
As differentiated by pressure setting data and end connection sizes
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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 4820-00-849-8040 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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174A | Watts Regulator Co |
174A 3/4-125PSI | Watts Regulator Co |
Stock Check
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