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National Stock Number:
4820-01-044-3150
Federal Supply Class:
4820
National Item Identification Number:
010443150
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:
| 750RP3.0 | 98021 | HALKEY-ROBERTS CORP | | SM-C-774135 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | SM-C-774135-1 | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR |
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Techincal Specification:
| BODY MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 | | FLOW CONTROL DEVICE | CONE | | MAXIMUM OPERATING PRESSURE | 3.0 POUNDS PER SQUARE INCH | | TEMP RATING | -80.0 DEG FAHRENHEIT AND | | 300.0 DEG FAHRENHEIT | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | OUTSIDE SURFACE TREATMENT | ANODIZED, MIL-A-8625, TYPE 2 | | SEAT MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 | | FLOW CONTROL DEVICE MATERIAL | ALUMINUM ALLOY, QQ-A-225/3, ALLOY 2011, T3 AND | | RUBBER, BUNA-N | | END CONNECTION QUANTITY | 1 | | FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS | | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL | | FIRST END THREAD CLASS | 2A | | FIRST END THREAD DIRECTION | RIGHT-HAND | | MEDIA FOR WHICH DESIGNED | AIR | | OPENING PRESSURE SETTING | 3.0 POUNDS PER SQUARE INCH | | VALVE RELIEF DESIGN TYPE | PRESSURE | | DISK LOADING METHOD | WEIGHT | | FURNISHED ITEMS | GASKET AND | | NUT AND | | FILTER SCREEN |
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