4820-00-199-2392, VALVE,PRESSURE EQUALIZING,GASEOU

National Stock Number:
4820-00-199-2392

Federal Supply Class:
4820

National Item Identification Number:
001992392

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:

P4-309-1-1

91816

CIRCOR AEROSPACE, INC.

Techincal Specification:

BODY STYLE	SINGLE CONNECTION STRAIGHT THRU
DISK LOADING METHOD	SPRING
END CONNECTION QUANTITY	1
FIRST END CONNECTION TYPE	THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR	PLAIN
FIRST END THREAD DIRECTION	RIGHT-HAND
FIRST END THREAD CLASS	3A
FLOW CONTROL DEVICE	POPPET
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-200/3, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL	ALUMINUM ALLOY 2024 BODY
MATERIAL	ALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
MATERIAL	ALUMINUM ALLOY 2024 SEAT
MAXIMUM OPERATING PRESSURE	15.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED	AIR
OPENING PRESSURE SETTING	2.0 POUNDS PER SQUARE INCH
SURFACE TREATMENT	ANODIZE OUTSIDE
TEMP RATING	-65.0 FAHRENHEIT AND 300.0 FAHRENHEIT
VALVE RELIEF DESIGN TYPE	PRESSURE
VALVE VENTING DESIGN TYPE	ATMOSPHERIC

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