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National Stock Number:
4820-01-341-4218
Federal Supply Class:
4820
National Item Identification Number:
013414218
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:
| CF014520 | 34874 | M P D TECHNOLOGIES INC |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY MATERIAL | ALUMINUM ALLOY | | BODY STYLE | STRAIGHT THRU | | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE | | FIRST END NOMINAL THREAD SIZE | 0.562 INCHES | | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.880 INCHES NOMINAL | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 2A | | FIRST END THREAD SERIES DESIGNATOR | UNF | | FIRST END STYLE DESIGNATOR | PLAIN | | SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE | | SECOND END NOMINAL THREAD SIZE | 0.438 INCHES | | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
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