4820-00-346-2317, VALVE,PRESSURE EQUALIZING,GASEOU

National Stock Number:
4820-00-346-2317

Federal Supply Class:
4820

National Item Identification Number:
003462317

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:

7904045-00	06401	L3 TECHNOLOGIES, INC.
790RPV9-75-5-5	98021	HALKEY-ROBERTS CORP

Techincal Specification:

ABSOLUTE PRESSURE SETTING	5.5
DISK LOADING METHOD	SPRING AND WEIGHT
END CONNECTION QUANTITY	1
FLOW CONTROL DEVICE	NEEDLE
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-A-225/3, ALLOY 2011, T3 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL	ALUMINUM ALLOY 2011 BODY
MATERIAL	ALUMINUM ALLOY 2011 SEAT
MATERIAL	STEEL CORROSION RESISTING FLOW CONTROL DEVICE
MATERIAL	STEEL CORROSION RESISTING STEM
MAXIMUM OPERATING PRESSURE	5.5 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED	AIR
OPENING PRESSURE SETTING	9.7 POUNDS PER SQUARE INCH
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OUTSIDE
SURFACE TREATMENT	ANODIZE OUTSIDE
VALVE RELIEF DESIGN TYPE	PRESSURE
VALVE VENTING DESIGN TYPE	ATMOSPHERIC

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