NSN 4820-00-220-1850
Part Details | SAFETY RELIEF VALVE
4820-00-220-1850 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: R6181AZ, R6181AZ, CL55S5198, CL55S51-98, 4820-00-220-1850, 00-220-1850, 4820002201850, 002201850
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | DEC 22, 1971 | 00-220-1850 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE
Cross Reference | NSN 4820-00-220-1850
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| R6181AZ | 38056 | ASHCROFT INC. |
| R6181AZ | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
| CL55S51-98 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-220-1850
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ANGLE |
| FLOW CONTROL DEVICE | DISK |
| VALVE DISCHARGE FLOW RATE | 13000.0 POUNDS PER HOUR |
| RENEWABLE SEAT RING TYPE | THREADED |
| BONNET TYPE | EXPOSED SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 624.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 580.0 TO 630.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE VALVE DISCHARGE FLOW RATE REQUIREMENT |