NSN 4820-00-163-1257
Velocity Fuse
About this product
Disk flow control device, exposed spring bonnet type, bolted bonnet attachment method, disk loading method: spring.
Manufacturer part number A49148 for national stock number 4820001631257.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-163-1257.
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MPN or Model
A49148
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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.)
202 lb -
Flow Control Device
Disk -
Bonnet Type
Exposed spring -
Bonnet Attachment Method
Bolted -
Disk Loading Method
Spring -
Valve Discharge Flow Rate
32700.0 pounds per hour -
Renewable Seat Ring Type
Threaded -
Bolt Hole Quantity
8 2nd end -
Valve Operation Method
Automatic or manual -
Flange Shape
Round with holes 2nd end -
Features Provided
Pressure tight outlet side -
Valve Size
2.500 inches -
Opening Pressure Setting
725.0 pounds per square inch -
Outside Diameter
9.000 inches 2nd end -
Thickness
1.188 inches 1st end -
Bolt Hole Diameter
0.875 inches 2nd end -
Bolt Circle Diameter
7.250 inches 2nd end -
Flange Face Design
Recessed straight 1st end -
Raised Face Height
0.062 inches 2nd end -
Raised Face Diameter
5.500 inches 2nd end -
Recess Diameter
6.875 inches 1st end -
Recess Depth
0.062 inches 1st end -
Style Designator
Angle flanged ends -
Reference Number Differentiating Characteristics
As differentiated by the valve discharge flow rate requirement
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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 4820-00-163-1257 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
A49148 | Pentair Valves & Controls Us Lp |
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