3040-00-494-1321 SHAFT,SHOULDERED Index 6680-00-494-1323 FLANGE AND CASE

National Stock Number:
4820-00-494-1322

Federal Supply Class:
4820

National Item Identification Number:
004941322

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:
991724-182577RAYTHEON COMPANY
TA294-10-10RX08992AGM CONTAINER CONTROLS INC


Techincal Specification:
BODY MATERIALALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T4
MAXIMUM OPERATING PRESSURE2.0 POUNDS PER SQUARE INCH
TEMP RATING-65.0 DEG FAHRENHEIT AND
250.0 DEG FAHRENHEIT
VALVE VENTING DESIGN TYPEATMOSPHERIC
BODY STYLESINGLE CONNECTION, STRAIGHT FLOW
OUTSIDE SURFACE TREATMENTANODIZED, MIL-A-8625, TYPE 2
END CONNECTION QUANTITY1
FIRST END CONNECTION TYPETHREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOREXTERNAL SEAT FOR GASKET SEAL
FIRST END THREAD CLASS3A
FIRST END THREAD DIRECTIONRIGHT-HAND
MEDIA FOR WHICH DESIGNEDAIR
OPENING PRESSURE SETTING2.0 POUNDS PER SQUARE INCH
VALVE RELIEF DESIGN TYPEPRESSURE AND
VACUUM
DISK LOADING METHODSPRING
FURNISHED ITEMSMANUAL UNLOADER ON VACUUM SIDE AND
NUT AND
GASKET AND
WASHER
THE MANUFACTURERS DATA
MANUFACTURERS CODE08992
DESIGN CONTROL REFERENCETA294-10-10RX


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