NSN 4820-01-259-8851
Part Details | SYSTEM PRESSURE REGULATING VALVE
4820-01-259-8851 A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes VALVE, REGULATING, FLUID PRESSURE and VALVE, CALIBRATED FLOW.
Alternate Parts: P55675, 4820-01-259-8851, 01-259-8851, 4820012598851, 012598851
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JUL 22, 1987 | 01-259-8851 | 35896 ( VALVE, REGULATING, SYSTEM PRESSURE ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-01-259-8851
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| P55675 | 65035 | BOSCH REXROTH CORPORATIONDIV BOSCH REXROTH |
Technical Data | NSN 4820-01-259-8851
| Characteristic | Specifications |
|---|---|
| BODY MATERIAL | ALUMINUM |
| MAXIMUM INLET PRESSURE RATING | 250.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE SETTING | 50.0 POUNDS PER SQUARE INCH |
| OUTLET PRESSURE RANGE | +0.0 TO +50.0 POUNDS PER SQUARE INCH |
| FILTER | NOT INCLUDED |
| SPECIAL FEATURES | 2 PORTS FOR GAGES |
| SEAT MATERIAL | ALUMINUM |
| STEM MATERIAL | ALUMINUM |
| FLOW CONTROL DEVICE | DIAPHRAGM |
| FLOW CONTROL DEVICE MATERIAL | RUBBER |
| END CONNECTION QUANTITY | 2 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| FIRST END THREAD SIZE AND SERIES/TYPE DESIGNATOR | 1 TO 4-18 NPTF |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| BODY STYLE | STRAIGHT THRU |
| MEDIA FOR WHICH DESIGNED | AIR |
| REGULATION TYPE | 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC |
| VALVE STEM DESIGN | DOUBLE SEAT |