4820-01-135-2457
Find complete technical information, availability, and procurement data for: 4820-01-135-2457
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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.
disk flow control device, spring disk loading method, inside spring bonnet type, 1650.0 gallons per minute valve discharge flow rate, union bonnet attachment method
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Flow Control Device
- disk
- Bonnet Type
- inside spring
- Bonnet Attachment Method
- union
- Disk Loading Method
- spring
- Valve Discharge Flow Rate
- 1650.0 gallons per minute
- Bolt Hole Quantity
- 12 all ends
- Maximum Operating Temp
- 150.0 fahrenheit single response
- Valve Operation Method
- automatic
- Flange Shape
- round with holes all ends
- Connection Type
- flange all ends
- Valve Size
- 6.000 inches
- Adjustable Pressure Range
- +68.0 to 77.0 pounds per square inch
- Maximum Operating Pressure
- 150.0 pounds per square inch single response
- Opening Pressure Setting
- 75.0 pounds per square inch
- Nominal Outside Diameter
- 10.125 inches all ends
- Nominal Thickness
- 0.562 inches all ends
- First Connection Face To Centerline Distance
- 8.938 inches
- Bolt Hole Nominal Diameter
- 0.688 inches all ends
- Second Connection Face To Centerline Distance
- 8.625 inches
- Bolt Circle Nominal Diameter
- 8.875 inches all ends
- Flange Face Design
- plain all ends
- Material
- copper alloy body
- Material
- nickel alloy flow control device
- Material
- nickel alloy seat
- Material
- nickel alloy stem
- Media For Which Designed
- air single response
- Style Designator
- angle flanged ends
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| 46H0-209/M5 6X6 | Safety Relief Valve |
| CD SHEET 601 | Safety Relief Valve |
| CD SHEET 601 ITEM 1 | Safety Relief Valve |
| NMP 1145 68 TO 77 PSI | Safety Relief Valve |
| NMP-1145 | Safety Relief Valve |
| NMP-1145 SPRING NO 1799 | Safety Relief Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-01-135-2457?
Does the NSN 4820-01-135-2457 have a Schedule B code assigned?
Does NSN 4820-01-135-2457 require demilitarization?
Does NSN 4820-01-135-2457 contain precious materials?
Does NSN 4820-01-135-2457 contain hazardous materials?
When the NSN 4820-01-135-2457 was assigned to the Federal Catalog?
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