NSN 4820-01-070-9781
Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-01-070-9781 A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.
Alternate Parts: 790RPV2.5P13.5V, 4820-01-070-9781, 01-070-9781, 4820010709781, 010709781
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 26, 1979 | 01-070-9781 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
REFERENCE DRAWINGS & PICTURES
SINGLE CONNECTION, STRAIGHT FLOW
GASKET SEAL COMPRESSION
GASKET SEAL COMPRESSION
GASKET SEAL COMPRESSION
GASKET SEAL COMPRESSION
Cross Reference | NSN 4820-01-070-9781
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 790RPV2.5P13.5V | 98021 | HALKEY-ROBERTS CORPORATION |
Technical Data | NSN 4820-01-070-9781
| Characteristic | Specifications |
|---|---|
| BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
| BODY MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 |
| OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 |
| SEAT MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 |
| FLOW CONTROL DEVICE | W ANY ACCEPTABLE |
| FLOW CONTROL DEVICE MATERIAL | ALUMINUM ALLOY |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS |
| FIRST END STYLE DESIGNATOR | 0 GASKET SEAL COMPRESSION |
| FIRST END THREAD CLASS | 2A |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| MAXIMUM OPERATING PRESSURE | 20.0 POUNDS PER SQUARE INCH |
| MEDIA FOR WHICH DESIGNED | AIR |
| OPENING PRESSURE SETTING | 2.5 POUNDS PER SQUARE INCH |
| VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |
| DISK LOADING METHOD | SPRING |
| ABSOLUTE PRESSURE SETTING | 0.5 |
| FURNISHED ITEMS | MANUAL UNLOADER ON PRESSURE SIDE AND NUT |