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National Stock Number:
4820-00-287-5998
Federal Supply Class:
4820
National Item Identification Number:
002875998
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:
| 0607 | 21368 | FAIRBANKS CO THE | | 0607 SZ 1/4 IN | 21368 | FAIRBANKS CO THE | | 20-1-4 | 14959 | CRANE CO DIV VALVE DIV | | 133 | 33216 | KENNEDY VALVE DIV OF ITT GRINNELL VALVE CO INC | | 2142 | 37239 | LUNKENHEIMER CO | | 237 | 37239 | LUNKENHEIMER CO | | 582929 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | | T0805 | 5RQL2 | DRS ENVIRONMENTAL SYSTEMS INC | | 553 1-4 | 76364 | MILWAUKEE VALVE CO, INC | | 52116 | 78113 | SCOTT VALVE MFG CO | | WWV51TYPE3CLASSAC0MPSITI0N1 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC | | B316 | 82666 | STOCKHAM VALVES AND FITTINGS INC | | T0805 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS |
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Techincal Specification:
| BONNET TYPE | INSIDE SPRING | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE STEM | | MATERIAL | COPPER ALLOY 922 BODY | | MATERIAL | COPPER ALLOY 922 STEM | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MEDIA FOR WHICH DESIGNED | STEAM FIRST RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SECOND RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | OPERATING PRESSURE | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE | | OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | STYLE DESIGNATOR | STRAIGHT THRU | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS |
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