NSN 4820-00-142-1020
Part Details | SAFETY RELIEF VALVE
4820-00-142-1020 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.
Alternate Parts: R6134AL, R-6134-AL, R6134AL, 4820-00-142-1020, 00-142-1020, 4820001421020, 001421020
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1963 | 00-142-1020 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-00-142-1020
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| R-6134-AL | 38056 | ASHCROFT INC. |
| R6134AL | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
Technical Data | NSN 4820-00-142-1020
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | A ANGLE |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 6.000 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 5.312 INCHES |
| VALVE SIZE | 2.500 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE DISCHARGE FLOW RATE | 49500.0 POUNDS PER HOUR |
| VALVE OPERATION METHOD | C$F |
| BONNET TYPE | EXPOSED SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 630.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD |