4820-00-477-9750, VALVE,PRESSURE EQUALIZING,GASEOU

4720-00-477-9752 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
4820-00-477-9750

Federal Supply Class:
4820

National Item Identification Number:
004779750

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:

4820004779750	A00AM	E.C.A ETABLISSEMENT CENTRAL DESAPPROVISIONNEMENTS DES FORCES ARMEE
4820004779750	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
8437270	19204	ARMY, UNITED STATES DEPARTMENT OF THE
B41120FF3	77842	EATON CORPORATION

Techincal Specification:

END CONNECTION QUANTITY	1
BODY STYLE	SINGLE CONNECTION, STRAIGHT FLOW
DISK LOADING METHOD	SPRING
FIRST END CONNECTION TYPE	THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR	EXTERNAL SEAT FOR GASKET SEAL
FIRST END THREAD CLASS	3A
FIRST END THREAD DIRECTION	RIGHT-HAND
FLOW CONTROL DEVICE	POPPET
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/6, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL	ALUMINUM FLOW CONTROL DEVICE
MATERIAL	ALUMINUM STEM
MATERIAL	ALUMINUM ALLOY 2024 BODY
MATERIAL	ALUMINUM ALLOY 2024 SEAT
MEDIA FOR WHICH DESIGNED	OXYGEN, GASEOUS
OPENING PRESSURE SETTING	3.0 POUNDS PER SQUARE INCH
SURFACE TREATMENT	ANODIZE OVERALL
TEMP RATING	-65.0 FAHRENHEIT AND 180.0 FAHRENHEIT
VALVE RELIEF DESIGN TYPE	PRESSURE AND VACUUM
VALVE VENTING DESIGN TYPE	ATMOSPHERIC

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