4820-01-240-6752 VALVE,CHECK Index 5210-01-240-6754 INDICATOR,DIAL

National Stock Number:
4820-01-240-6753

Federal Supply Class:
4820

National Item Identification Number:
012406753

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:
TA500-VR-1001347ARIZONA GEAR AND MFG CO
TA500-VR-1008992AGM CONTAINER CONTROLS INC


Techincal Specification:
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
FLOW CONTROL DEVICEBALL
MATERIALALUMINUM ALLOY BODY
MATERIALSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIALSTEEL CORROSION RESISTING SEAT
MAXIMUM OPERATING PRESSURE2.5 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNEDAIR
OPENING PRESSURE SETTING4.0 POUNDS PER SQUARE INCH
SURFACE TREATMENTANODIZE OUTSIDE
VALVE RELIEF DESIGN TYPEPRESSURE
VALVE VENTING DESIGN TYPEATMOSPHERIC


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