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National Stock Number:
4820-00-148-8616
Federal Supply Class:
4820
National Item Identification Number:
001488616
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:
| 4820PL1341056 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | 710-62 | 08588 | NATIONAL DISTILLERS AND CHEMICAL CORP BRIDGEPORT BRASS CO DIV | | B-51019 | 08407 | MIRADA RESEARCH & MANUFACTURING, INC. | | B51019 | K0967 | MBDA UK LTD | | B51019 | K1020 | MBDA UK LTD | | PRV-300 | 17673 | SHEPARD AIRTRONICS INC | | WMP730R-7 | 1GTC0 | WING INFLATABLES INC |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | BODY MATERIAL | STEEL, CORROSION RESISTING | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | DISK LOADING METHOD | SPRING | | FIRST END CONNECTION TYPE | RAISED FACE FLANGE | | FIRST END RAISED FACE DIAMETER | 1.625 INCHES NOMINAL | | FIRST END RAISED FACE HEIGHT | 0.475 INCHES NOMINAL | | FIRST END FLANGE OUTSIDE DIAMETER | 3.469 INCHES NOMINAL | | FIRST END FLANGE SHAPE STYLE | ROUND W/O BOLT HOLES | | FIRST END FLANGE THICKNESS | 0.075 INCHES NOMINAL | | FIRST END STYLE DESIGNATOR | RAISED | | FLOW CONTROL DEVICE MATERIAL | PLASTIC | | FLOW CONTROL DEVICE | DISK, CIRCULAR | | MEDIA FOR WHICH DESIGNED | AIR | | SEAT MATERIAL | STEEL, CORROSION RESISTING | | SPECIAL FEATURES | FLANGE IS MOLDED RUBBER | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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