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National Stock Number:
4820-00-673-3406
Federal Supply Class:
4820
National Item Identification Number:
006733406
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:
| 68-26-3 | 98391 | ARKWIN INDUSTRIES, INC. |
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Techincal Specification:
| DISK LOADING METHOD | SPRING | | CONNECTION TYPE | THREADED INTERNAL TUBE 1ST END | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) 1ST END | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD | | FLOW CONTROL DEVICE | POPPET | | MATERIAL | ALUMINUM ALLOY BODY | | MATERIAL | ALUMINUM ALLOY SEAT | | MATERIAL | STEEL CORROSION RESISTING STEM | | MATERIAL | STEEL FLOW CONTROL DEVICE | | PROPRIETARY CHARACTERISTICS | PACS | | MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE | | MOUNTING FACILITY | THREADED FASTENER | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.625 INCHES 1ST END | | NOMINAL THREAD SIZE | 0.875 INCHES 1ST END | | SPECIAL FEATURES | 66 DEG LH TURN TO OPEN POSITION | | RENEWABLE SEAT RING TYPE | PRESSED-IN | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU | | SURFACE TREATMENT | ANODIZE OR PASSIVATE | | THREAD CLASS | 3B 1ST END | | THREAD DIRECTION | RIGHT-HAND 1ST END | | THREAD QUANTITY PER INCH | 14 1ST END | | THREAD SERIES DESIGNATOR | UNF 1ST END |
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