NSN 4820-00-059-4678 1426DUPLEX, 00-059-4678, 000594678
Product Details | SAFETY RELIEF VALVE
4820-00-059-4678 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.
Part Alternates: 1426DUPLEX, 4820-00-059-4678, 00-059-4678, 4820000594678, 000594678
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 13 JUN 1967 | 00-059-4678 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-059-4678
Cross Reference | NSN 4820-00-059-4678
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1426DUPLEX | 16497 | DRESSER, INC. DBA DRESSER EQUIPMENT GROUP |
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Technical Data | NSN 4820-00-059-4678
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY NICKEL ALLOY FLOW CONTROL DEVICE NICKEL ALLOY SEAT STEEL STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MAXIMUM OPERATING PRESSURE | 550.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 71616.0 POUNDS PER HOUR |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | FLANGE 1ST END FLANGE 2ND END |
| FLANGE SHAPE | ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END |
| NOMINAL OUTSIDE DIAMETER | 13.000 INCHES 1ST END 9.000 INCHES 2ND END |
| BOLT HOLE QUANTITY | 8 1ST END 8 2ND END |
| BOLT HOLE NOMINAL DIAMETER | 1.125 INCHES 1ST END 0.750 INCHES 2ND END |
| BOLT CIRCLE NOMINAL DIAMETER | 10.500 INCHES 1ST END 7.500 INCHES 2ND END |
| FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END RAISED STRAIGHT 2ND END |
| RAISED FACE NOMINAL HEIGHT | 0.062 INCHES 1ST END 0.062 INCHES 2ND END |
| RAISED FACE NOMINAL DIAMETER | 7.312 INCHES 1ST END 6.188 INCHES 2ND END |
| BONNET TYPE | EXPOSED SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 525.0 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | DUPLEX VALVE,TWO SAFETY VALVES MTD IN ONEBODY,1ST CONNECTION FACE TO CENTERLINE DISTANCE9.000 IN.,2ND CONNECTION FACE TO CENTERLINEDISTANCE 6.625 IN. |
| MANUFACTURERS CODE | 16497 |
| DESIGN CONTROL REFERENCE | 1426DUPLEX |
Restrictions/Controls & Freight Information | NSN 4820-00-059-4678
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||