2990-01-475-1343 SENSOR,AIR CHARGED TEMPERATURE,E Index 5985-01-475-1345 CONTROL,ANTENNA

National Stock Number:
4820-01-475-1344

Federal Supply Class:
4820

National Item Identification Number:
014751344

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:
790-RPV-5.0,5.OP98021HALKEY-ROBERTS CORP
790-RPV-5.0-5.098021HALKEY-ROBERTS CORP


Techincal Specification:
BODY MATERIALALUMINUM ALLOY
FLOW CONTROL DEVICEPOPPET
MAXIMUM OPERATING PRESSURE5.0 POUNDS PER SQUARE INCH
TEMP RATING-40.0 DEG FAHRENHEIT
180.0 DEG FAHRENHEIT
VALVE VENTING DESIGN TYPEATMOSPHERIC
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
OUTSIDE SURFACE TREATMENTANODIZED, MIL-A-8625, TYPE 2
STEM MATERIALALUMINUM ALLOY
END CONNECTION QUANTITY1
FIRST END CONNECTION TYPETHREADED EXTERNAL TUBE
FIRST END STYLE DESIGNATOREXTERNAL SEAT FOR GASKET SEAL
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED0.875 INCHES NOMINAL
FIRST END THREAD CLASS2A
FIRST END THREAD DIRECTIONRIGHT-HAND
FIRST END THREAD SERIES DESIGNATORUNS
FIRST END NOMINAL THREAD SIZE0.875 INCHES
MEDIA FOR WHICH DESIGNEDAIR
OPENING PRESSURE SETTING5.0 POUNDS PER SQUARE INCH
VALVE RELIEF DESIGN TYPEPRESSURE AND
VACUUM
DISK LOADING METHODSPRING
SPECIAL FEATURES1.125 IN. WIDTH ACROSS FLATS HEX FEATURE. 0.828 IN. HEIGHT
PART NAME ASSIGNED BY CONTROLLING AGENCYDUAL ACTION BREATHER VALVE


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