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National Stock Number:
4820-00-984-6507
Federal Supply Class:
4820
National Item Identification Number:
009846507
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:
| P4-309-3-5-3-5 | 91816 | CIRCOR AEROSPACE, INC. | | P4-309-3.5-3.5SB | 91816 | CIRCOR AEROSPACE, INC. |
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Techincal Specification:
| END CONNECTION QUANTITY | 2 | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | DISK LOADING METHOD | SPRING | | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE | | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.875 INCHES NOMINAL | | FIRST END SEAT ANGLE IN DEG | 37.5 | | FIRST END STYLE DESIGNATOR | GASKET SEAL | | FIRST END THREAD CLASS | 2A | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FLOW CONTROL DEVICE | DISK, FLAT | | MATERIAL | ALUMINUM ALLOY BODY | | MAXIMUM OPERATING PRESSURE | 2.0 POUNDS PER SQUARE INCH | | MEDIA FOR WHICH DESIGNED | AIR | | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL | | VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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