6210-01-070-9780 LIGHT,INDICATOR Index 6220-01-070-9782 LENS,LIGHT

National Stock Number:
4820-01-070-9781

Federal Supply Class:
4820

National Item Identification Number:
010709781

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:
790RPV2.5P13.5V98021HALKEY-ROBERTS CORP


Techincal Specification:
END CONNECTION QUANTITY1
ABSOLUTE PRESSURE SETTING0.5
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
DISK LOADING METHODSPRING
FURNISHED ITEMSMANUAL UNLOADER ON PRESSURE SIDE AND NUT
FIRST END CONNECTION TYPETHREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOREXTERNAL SEAT FOR GASKET SEAL
FIRST END THREAD CLASS2A
FIRST END THREAD DIRECTIONRIGHT-HAND
FLOW CONTROL DEVICEPOPPET
MATERIALALUMINUM ALLOY 2011 BODY
MATERIALALUMINUM ALLOY 2011 SEAT
MATERIALALUMINUM ALLOY FLOW CONTROL DEVICE
MAXIMUM OPERATING PRESSURE20.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNEDAIR
OPENING PRESSURE SETTING2.5 POUNDS PER SQUARE INCH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE OUTSIDE
VALVE RELIEF DESIGN TYPEPRESSURE AND VACUUM
VALVE VENTING DESIGN TYPEATMOSPHERIC


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