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National Stock Number:
4820-01-285-4559
Federal Supply Class:
4820
National Item Identification Number:
012854559
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:
| 190-AR | 98021 | HALKEY-ROBERTS CORP | | 40461023-01 | 54278 | ERIE ENGINEERED PRODUCTS INC |
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Techincal Specification:
| BODY STYLE | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK, FLAT | | MATERIAL | COPPER ALLOY BODY | | SURFACE TREATMENT | NICKEL OUTSIDE |
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