4820-01-299-8745, VALVE,PRESSURE EQUALIZING,GASEOU

4820-01-299-8746 VALVE,RELIEF,PRESSURE AND TEMPER

National Stock Number:
4820-01-299-8745

Federal Supply Class:
4820

National Item Identification Number:
012998745

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:

4820PL0843193	9009H	INSPEKTORAT WSPARCIA SIL ZBROJNYCH
5166180-2	53711	NAVAL SEA SYSTEMS COMMAND
TA333-10-10-R	08992	AGM CONTAINER CONTROLS INC
798AS106	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
798AS106-2	30003	NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER
91752474	F6481	THALES SA

Techincal Specification:

END CONNECTION QUANTITY	1
ABSOLUTE PRESSURE SETTING	2.5
BODY STYLE	SINGLE CONNECTION, STRAIGHT FLOW
DISK LOADING METHOD	SPRING
FIRST END CONNECTION TYPE	THREADED EXTERNAL PIPE
FIRST END STYLE DESIGNATOR	PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED	0.750 INCHES
FIRST END NOMINAL THREAD SIZE	0.750 INCHES
FIRST END THREAD DIRECTION	RIGHT-HAND
FIRST END THREAD SERIES DESIGNATOR	NPSM
FLOW CONTROL DEVICE	DISK, FLAT
MATERIAL	ALUMINUM BODY
MAXIMUM OPERATING PRESSURE	1.0 POUNDS PER SQUARE INCH
MEDIA FOR WHICH DESIGNED	AIR
OPENING PRESSURE SETTING	2.5 POUNDS PER SQUARE INCH
SURFACE TREATMENT	ANODIZE OUTSIDE
VALVE RELIEF DESIGN TYPE	PRESSURE AND VACUUM
VALVE VENTING DESIGN TYPE	ATMOSPHERIC

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