4820-01-244-2414 VALVE,VACUUM REGULATING Index 4820-01-244-2416 VALVE,FOOT

National Stock Number:
4820-01-244-2415

Federal Supply Class:
4820

National Item Identification Number:
012442415

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.


Manufacturer Information:
71780198604939LOCKHEED MARTIN CORPORATION
TA238-138208992AGM CONTAINER CONTROLS INC
TA238-1382-208992AGM CONTAINER CONTROLS INC


Techincal Specification:
END CONNECTION QUANTITY1
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
DISK LOADING METHODSPRING
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES NOMINAL
FIRST END STYLE DESIGNATORPLAIN
FIRST END THREAD CLASS2A
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICEDISK, CIRCULAR
MATERIALALUMINUM ALLOY BODY
MATERIALALUMINUM ALLOY FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY SEAT
MAXIMUM OPERATING PRESSURE4.000 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNEDAIR
OPENING PRESSURE SETTING1.5 POUNDS PER SQUARE INCH
SPECIAL FEATURESW/RECESSED MANUAL-RELIEF PUSH BUTTON,GASKET,AND HEX NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE LOCATION NOT OTHERWISE SPECIFIED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENTANODIZE OUTSIDE
VALVE RELIEF DESIGN TYPEPRESSURE AND VACUUM
VALVE VENTING DESIGN TYPEATMOSPHERIC


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