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National Stock Number:
4820-01-431-7399
Federal Supply Class:
4820
National Item Identification Number:
014317399
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:
| LGM-20F | 58818 | CONTROL DEVICES, INCORPORATED | | LGM20AM-F | 58818 | CONTROL DEVICES, INCORPORATED |
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Techincal Specification:
| END CONNECTION QUANTITY | 3 | | FIRST END STYLE DESIGNATOR | PLAIN | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES | | FIRST END NOMINAL THREAD SIZE | 0.500 INCHES | | FIRST END THREAD SERIES DESIGNATOR | NPT | | FLOW CONTROL DEVICE | DISK, CIRCULAR | | MATERIAL | COPPER ALLOY BODY | | MEDIA FOR WHICH DESIGNED | AIR | | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL | | THIRD END NOMINAL PIPE SIZE ACCOMMODATED | 0.375 INCHES | | THIRD END NOMINAL THREAD SIZE | 0.375 INCHES | | THIRD END STYLE DESIGNATOR | PLAIN | | THIRD END RELATIONSHIP WITH PRECEDING ENDS | NOT IDENTICAL WITH FIRST OR SECOND END | | THIRD END THREAD DIRECTION | RIGHT-HAND | | THIRD END THREAD SERIES DESIGNATOR | NPT |
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