4820-00-803-9569, VALVE,PRESSURE EQUALIZING,GASEOU

National Stock Number:
4820-00-803-9569

Federal Supply Class:
4820

National Item Identification Number:
008039569

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:

00237-0152	93568	HARSCO CORP BMY-COMBAT SYSTEMS DIV
237-0152	93568	HARSCO CORP BMY-COMBAT SYSTEMS DIV
K147	91840	KNAPPCO CORPORATION DBA CIVACON

Techincal Specification:

END CONNECTION QUANTITY	1
BODY STYLE	SINGLE CONNECTION, STRAIGHT FLOW
FIRST END CONNECTION TYPE	THREADED EXTERNAL PIPE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED	0.250 INCHES
FIRST END STYLE DESIGNATOR	PLAIN
FIRST END THREAD DIRECTION	RIGHT-HAND
FLOW CONTROL DEVICE	BALL
MATERIAL	ALUMINUM ALLOY BODY
MATERIAL	ALUMINUM ALLOY FLOW CONTROL DEVICE
MATERIAL	ALUMINUM ALLOY SEAT
MAXIMUM OPERATING PRESSURE	0.5 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED	AIR
OPENING PRESSURE SETTING	0.5 POUNDS PER SQUARE INCH
VALVE RELIEF DESIGN TYPE	PRESSURE AND VACUUM
VALVE VENTING DESIGN TYPE	CLOSED SYSTEM

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