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National Stock Number:
4820-00-168-2047
Federal Supply Class:
4820
National Item Identification Number:
001682047
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:
| 23700846 | 74284 | THE SKYDYNE COMPANY | | 97016005 | 74284 | THE SKYDYNE COMPANY | | GV500TK1 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | PL828100 ITEM 22 | 74284 | THE SKYDYNE COMPANY |
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Techincal Specification:
| END CONNECTION QUANTITY | 1 | | ABSOLUTE PRESSURE SETTING | 3.0 | | BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW | | DISK LOADING METHOD | SPRING | | FURNISHED ITEMS | GASKET AND NUT | | FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS | | FIRST END STYLE DESIGNATOR | EXTERNAL SEAT FOR GASKET SEAL | | FIRST END THREAD DIRECTION | RIGHT-HAND | | FIRST END THREAD CLASS | 2A | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY FLOW CONTROL DEVICE | | MEDIA FOR WHICH DESIGNED | ANY ACCEPTABLE | | OPENING PRESSURE SETTING | 3.0 POUNDS PER SQUARE INCH | | SURFACE TREATMENT | ANODIZE OUTSIDE | | VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM | | VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
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