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National Stock Number: 4820-01-138-8953
Federal Supply Class: 4820
National Item Identification Number: 011388953
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:
40-01006-01 | 54278 | ERIE ENGINEERED PRODUCTS INC | 461006-01 | 54278 | ERIE ENGINEERED PRODUCTS INC | M13-1001 | 54278 | ERIE ENGINEERED PRODUCTS INC |
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Techincal Specification:
END CONNECTION QUANTITY | 1 | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | DISK LOADING METHOD | SPRING | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE | FIRST END STYLE DESIGNATOR | PLAIN | FIRST END THREAD DIRECTION | RIGHT-HAND | FIRST END THREAD CLASS | 2A | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES NOMINAL | FLOW CONTROL DEVICE | DISK, FLAT | MATERIAL | ALUMINUM ALLOY BODY | MAXIMUM OPERATING PRESSURE | 2.5 POUNDS PER SQUARE INCH | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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