4-3/4
View detailed technical data, stock status, and sourcing information for: 4-3/4
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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.
manual valve operation method, threaded bonnet attachment method, bonnet packing features provided, inside screw bonnet type, threaded internal pipe connection type
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Bonnet Type
- inside screw
- Bonnet Attachment Method
- threaded
- Valve Operation Method
- manual
- Connection Type
- threaded internal pipe
- Features Provided
- bonnet packing
- Valve Size
- 0.750 inches
- Maximum Operating Pressure And Media For Which Designed
- 125.0 pounds per square inch steam and 200.0 pounds per square inch water-oil-gas
- Nominal Thread Size
- 0.750 inches
- Stem Type
- nonrising
- Maximum Operating Temp And Media For Which Designed
- 400.0 fahrenheit steam and 150.0 fahrenheit water-oil-gas
- Inlet Relationship With Outlet
- identical
- Pressure Class
- 125.0 pounds per square inch
- Special Features
- solid wedge (disk)
- Material
- copper alloy 836 disk
- Material
- copper alloy body
- Material
- copper alloy seat
- Material
- copper alloy stem
- Material Document And Classification
- astm b198 alloy 875 assn std single material response and astm b371 alloy 697 assn std single material response stem
- Material Document And Classification
- astm b62 assn std single material response disk
- Material Document And Classification
- astm b62 assn std single material response body
- Thread Series Designator
- npt
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 |
|---|---|
| 4-3/4 | Gate Valve |
| A1088592G15 | Gate Valve |
| FIG.4-3/4IN. | Gate Valve |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 4820-00-797-2479?
Does the NSN 4820-00-797-2479 have a Schedule B code assigned?
Does NSN 4820-00-797-2479 require demilitarization?
Does NSN 4820-00-797-2479 contain precious materials?
Does NSN 4820-00-797-2479 contain hazardous materials?
When the NSN 4820-00-797-2479 was assigned to the Federal Catalog?
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