4820-00-794-6997, VALVE,PRESSURE EQUALIZING,GASEOU

National Stock Number:
4820-00-794-6997

Federal Supply Class:
4820

National Item Identification Number:
007946997

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:

TA214-25-05-R	08992	AGM CONTAINER CONTROLS INC
TA274-25-05	08992	AGM CONTAINER CONTROLS INC
TA274-25-05R	01347	ARIZONA GEAR AND MFG CO
TA274-25-05-R	08992	AGM CONTAINER CONTROLS INC

Techincal Specification:

BODY MATERIAL	ALUMINUM ALLOY
FLOW CONTROL DEVICE	DISK, FLAT
MAXIMUM OPERATING PRESSURE	4.5 POUNDS PER SQUARE INCH
VALVE VENTING DESIGN TYPE	ATMOSPHERIC
BODY STYLE	SINGLE CONNECTION, STRAIGHT FLOW
OUTSIDE SURFACE TREATMENT	ANODIZED AND
	OXIDE FILM, MIL-C-5541
SEAT MATERIAL	PLASTIC, POLYTETRAFLUOROETHYLENE
FLOW CONTROL DEVICE MATERIAL	ALUMINUM ALLOY
END CONNECTION QUANTITY	1
FIRST END CONNECTION TYPE	THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR	EXTERNAL SEAT FOR GASKET SEAL
FIRST END THREAD CLASS	2A
FIRST END THREAD DIRECTION	RIGHT-HAND
MEDIA FOR WHICH DESIGNED	AIR
OPENING PRESSURE SETTING	2.5 POUNDS PER SQUARE INCH
VALVE RELIEF DESIGN TYPE	PRESSURE AND
	VACUUM
DISK LOADING METHOD	SPRING
ABSOLUTE PRESSURE SETTING	2.0
FURNISHED ITEMS	GASKET AND
	MANUAL UNLOADER ON VACUUM SIDE AND
	NUT AND
	WASHER

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