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National Stock Number:
4820-00-906-1149
Federal Supply Class:
4820
National Item Identification Number:
009061149
Description:
VALVE,PRESSURE EQUALIZING,GASEOU
Detail:
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.
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Manufacturer Information:
| 1-025-02450 | 11214 | HARDIGG INDUSTRIES, LLC | | 790-RPV-3.0-3.0 | 98021 | HALKEY-ROBERTS CORP | | 9294791 | 19203 | PICATINNY ARSENAL | | SMC143743 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | 790RPV | 98021 | HALKEY-ROBERTS CORP |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS | | FIRST END NOMINAL THREAD SIZE | 0.875 INCHES | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 2A | | FIRST END THREAD SERIES DESIGNATOR | UNS | | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY BODY | | MEDIA FOR WHICH DESIGNED | AIR | | OPERATING PRESSURE | 15.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM | | VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC | | TEMP RATING | 180.0 FAHRENHEIT |
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