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National Stock Number:
4820-00-337-5095
Federal Supply Class:
4820
National Item Identification Number:
003375095
Description:
VALVE,LIFT-CHECK
Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. IN THE SECOND POSITION, THE VALVE DISK IS LIFTED FROM THE SEAT TO ALLOW A FLOW OF FLUID IN EITHER DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. SEE ALSO VALVE, STOP-CHECK AND VALVE, STOP-LIFT-CHECK.
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Manufacturer Information:
| 52-33-1 | 98391 | ARKWIN INDUSTRIES, INC. | | 582-1 | 57817 | TACTAIR FLUID CONTROLS INC PHOENIX CONTROLS DIV | | 93-01A001-1 | 00155 | MICRON MACHINE CORP | | 582-1 | 70236 | TACTAIR FLUID CONTROLS INC |
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Techincal Specification:
| DISK LOADING METHOD | SPRING | | CONNECTION TYPE | THREADED INTERNAL TUBE 2ND END | | CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MATERIAL | STEEL SEAT | | PROPRIETARY CHARACTERISTICS | PACS | | MOUNTING FACILITY | THREADED FASTENER | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | SEAT ANGLE | 45.0 DEGREES 1ST END | | STYLE DESIGNATOR | STRAIGHT THRU | | SUPPLEMENTARY FEATURES | OPTIONAL FLOW CONTROL DEVICE: STEM | | SURFACE TREATMENT | ANODIZE | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD QUANTITY PER INCH | 18 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END |
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