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National Stock Number:
4820-00-348-4395
Federal Supply Class:
4820
National Item Identification Number:
003484395
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:
| 589-30-1 | 57817 | TACTAIR FLUID CONTROLS INC PHOENIX CONTROLS DIV | | 589-30-1 | 70236 | TACTAIR FLUID CONTROLS INC |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY BODY | | STEEL FLOW CONTROL DEVICE | | ALUMINUM ALLOY SEAT | | SURFACE TREATMENT | ANODIZE | | STYLE DESIGNATOR | STRAIGHT THRU W/OFFSET | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END | | CONNECTION STYLE | GASKET SEAL (BOSS) 1ST END | | SEAT ANGLE | 45.0 DEGREES 1ST END | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.375 INCHES 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END | | NOMINAL THREAD SIZE | 0.562 INCHES 1ST END | | THREAD QUANTITY PER INCH | 18 1ST END | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | MOUNTING POSITION | HORIZONTAL | | DISK LOADING METHOD | SPRING | | MOUNTING FACILITY | THREADED FASTENER | | SPECIAL FEATURES | 0.228 IN. STEM STROKE FOR REVERSE FLOW | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 57817 | | DESIGN CONTROL REFERENCE | 589-30-1 |
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