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National Stock Number:
4820-00-287-4369
Federal Supply Class:
4820
National Item Identification Number:
002874369
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:
| FIG815 | 37239 | LUNKENHEIMER CO |
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Techincal Specification:
| MATERIAL | COPPER ALLOY 922 BODY | | COPPER ALLOY 697 FLOW CONTROL DEVICE | | COPPER ALLOY 836 SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE BODY | | ASTM B371 ALLOY C69700 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 2000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MOUNTING POSITION | HORIZONTAL |
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