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National Stock Number:
4820-00-164-3917
Federal Supply Class:
4820
National Item Identification Number:
001643917
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:
| 539304 | 24821 | ROSEMOUNT ANALYTICAL, INC. DIV PROCESS ANALYTICAL DIVISION |
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Techincal Specification:
| BONNET TYPE | PACKING RETAINING | | FLOW CONTROL DEVICE | PISTON | | STEM TYPE | RISING | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 2.000 INCHES |
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