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National Stock Number:
4820-01-627-8567
Federal Supply Class:
4820
National Item Identification Number:
016278567
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:
| 5212801 | 5B337 | W S DARLEY & CO | | AAE1821 | 64042 | WATSON MCDANIEL CO | | AE1821N | 64042 | WATSON MCDANIEL CO |
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Techincal Specification:
| BODY MATERIAL | STEEL, CORROSION RESISTING | | BODY OUTSIDE DIAMETER | 2.630 INCHES NOMINAL | | MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH | | III PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE-AIR ELIMINATOR | | PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | 3/4 NPT INLET; 1/2 IN NPT OUTLET; 7.50 IN OVERALL LENGTH | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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