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National Stock Number:
4820-00-069-0020
Federal Supply Class:
4820
National Item Identification Number:
000690020
Description:
VALVE,SEATLESS
Detail:
A VALVE THAT CONTROLS FLOW BY A CYLINDRICAL PISTON SLIDING VERTICALLY THROUGH PACKING RINGS SEPARATED BY A METAL CAGE HAVING PORTS THROUGH WHICH FLOW MAY PROCEED WHEN THE VALVE IS OPEN. ROTATION OF THE THREADED STEM IS USED TO REGULATE THE POSITION OF THE PISTON. SEE ALSO VALVE, PLUG AND VALVE, WEIGHTED CONTROL, PISTON.
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Manufacturer Information:
| 40MP135 | 10119 | HARTFORD COMPRESSORS INC DBA FOREIGN PARENT IS DUNHAM-BUSH INTERNATIONAL CAYMAN LTD G | | A13502 | 41947 | MUELLER BRASS | | AEX303E | 78830 | TROPIC-AIRE CARRIER DIVISION OF MC GRAW-EDISON CO | | EP23NC090 | 10855 | CARRIER CORP | | EP23NC090-10855 | 19422 | DEMARKUS CORP REFRIGERATION ENGINEERING CORP | | MRG86170 | 90598 | ENGINEERED AIR SYSTEMS INC. DBA DRS SUSTAINMENT SYSTEMS |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | INTEGRAL | | BONNET TYPE | INSIDE SCREW | | CONNECTION STYLE | PLAIN (PIPE) 2ND END | | CONNECTION TYPE | THREADED EXTERNAL PIPE 2ND END | | CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END | | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 1ST END | | FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND BONNET PACKING | | FLOW CONTROL DEVICE | PISTON | | MATERIAL | COPPER ALLOY OVERALL | | NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS | | STEM TYPE | RISING | | STYLE DESIGNATOR | ANGLE | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | VALVE OPERATION METHOD | MANUAL |
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