NSN 4820-00-203-2589
Velocity Fuse
About this product
Disk flow control device, inside spring bonnet type, threaded bonnet attachment method, disk loading method: spring.
Manufacturer part number 2251 for national stock number 4820002032589.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-203-2589.
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MPN or Model
2251
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Schedule B
8481.40.0000 (Safety or relief valves) -
NMF (National Motor Freight)
127220 - Pressure Reg/red/relief Valves NOI -
Flow Control Device
Disk -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Threaded -
Disk Loading Method
Spring -
Bolt Hole Quantity
4 all ends -
Maximum Operating Temp
650.0 degrees fahrenheit single response -
Valve Operation Method
Manual or automatic -
Flange Shape
Round with holes all ends -
Connection Type
Flange all ends -
Features Provided
Valve stem lock shield -
Adjustable Pressure Range
+101.0/+149.0 pounds per square inch -
Maximum Operating Pressure
150.0 pounds per square inch single response -
Outside Diameter
4.250 inches all ends -
Thickness
0.438 inches all ends -
Bolt Hole Diameter
0.562 inches all ends -
Bolt Circle Diameter
3.125 inches all ends -
Flange Face Design
Plain all ends -
Material
Stainless steel stem -
Media For Which Designed
Steam single response -
Style Designator
Angle
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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 4820-00-203-2589 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
2251 | Anderson Greenwood Lp |
Stock Check
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