NSN 4820-00-495-2570
Velocity Fuse
About this product
Disk flow control device, inside spring bonnet type, bolted bonnet attachment method, disk loading method: spring.
Manufacturer part number 20126AS51SS for national stock number 4820004952570.
Datasheet
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Product description
Safety Relief Valve NSN 4820-00-495-2570.
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MPN or Model
20126AS51SS
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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.)
22 lb -
Flow Control Device
Disk -
Bonnet Type
Inside spring -
Bonnet Attachment Method
Bolted -
Disk Loading Method
Spring -
Valve Discharge Flow Rate
74.0 gallons per minute -
Renewable Seat Ring Type
Threaded -
Maximum Operating Temp
650.0 degrees fahrenheit single response -
Valve Operation Method
Automatic -
Flange Shape
Round 1st end -
Connection Type
Flange 1st end -
Features Provided
Valve stem lock shield and pressure tight outlet side -
Adjustable Pressure Range
+2401.0/+3000.0 pounds per square inch -
Maximum Operating Pressure
3000.0 pounds per square inch single response -
Criticality Code Justification
Zzzy -
Opening Pressure Setting
2485.0 pounds per square inch -
Flange Face Design
Raised straight 1st end -
Material
Steel comp 303 packing -
Media For Which Designed
Water, fresh single response -
Style Designator
Angle -
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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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 4820-00-495-2570 safety relief valveManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
20126AS51SS | Anderson Greenwood Lp |
20126 | Anderson Greenwood Lp |
A15642 | Anderson Greenwood Lp |
Stock Check
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