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National Stock Number:
4820-00-803-9569
Federal Supply Class:
4820
National Item Identification Number:
008039569
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:
| 00237-0152 | 93568 | HARSCO CORP BMY-COMBAT SYSTEMS DIV | | 237-0152 | 93568 | HARSCO CORP BMY-COMBAT SYSTEMS DIV | | K147 | 91840 | KNAPPCO CORPORATION DBA CIVACON |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE | | FIRST END STYLE DESIGNATOR | PLAIN | | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FLOW CONTROL DEVICE | BALL | | OPERATING PRESSURE | 0.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY FLOW CONTROL DEVICE | | MATERIAL | ALUMINUM ALLOY SEAT | | VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM | | VALVE VENTING DESIGN TYPE | CLOSED SYSTEM |
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