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
FIRST END STYLE DESIGNATOREXTERNAL SEAT FOR GASKET SEAL
FIRST END THREAD CLASS2A
FLOW CONTROL DEVICEPOPPET
OPERATING PRESSURE20.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALALUMINUM ALLOY FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY 2011 BODY
MATERIALALUMINUM ALLOY 2011 SEAT
MEDIA FOR WHICH DESIGNEDAIR
VALVE RELIEF DESIGN TYPEPRESSURE AND VACUUM
VALVE VENTING DESIGN TYPEATMOSPHERIC
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


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