6850-01-563-8931 CLEANING COMPOUND,SOLVENT Index 4820-01-563-8933 CAP,VALVE

National Stock Number:
4820-01-563-8932

Federal Supply Class:
4820

National Item Identification Number:
015638932

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.


Techincal Specification:
END CONNECTION QUANTITY1
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
FURNISHED ITEMSGASKET AND NUT AND WASHER
FIRST END CONNECTION TYPETHREADED EXTERNAL PIPE
FIRST END STYLE DESIGNATORPLAIN
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD SERIES DESIGNATORNPSM
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES
FIRST END NOMINAL THREAD SIZE0.750 INCHES
FLOW CONTROL DEVICEDISK, FLAT
MATERIALALUMINUM ALLOY BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE2.5 POUNDS PER SQUARE INCH
PART NAME ASSIGNED BY CONTROLLING AGENCYRELIEF VALVE
SURFACE TREATMENTANODIZE OUTSIDE
VALVE RELIEF DESIGN TYPEPRESSURE AND VACUUM
VALVE VENTING DESIGN TYPEATMOSPHERIC


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