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National Stock Number:
4820-01-134-2840
Federal Supply Class:
4820
National Item Identification Number:
011342840
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.
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Manufacturer Information:
| TA330-25-35 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | FURNISHED ITEMS | GASKET AND NUT AND WASHER | | FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE | | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FLOW CONTROL DEVICE | ANY ACCEPTABLE | | MATERIAL | ALUMINUM BODY | | 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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