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National Stock Number:
4820-00-810-0569
Federal Supply Class:
4820
National Item Identification Number:
008100569
Description:
VALVE,STOP-LIFT-CHECK
Detail:
A VALVE WITH A STEM THAT MAY BE MECHANICALLY ACTUATED TO THREE DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND 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 THIRD 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, LIFT-CHECK AND VALVE, STOP-CHECK.
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Manufacturer Information:
| 33311-30 | 57524 | STERLING ELECTRIC INC SUB OF A O SMITH CORP | | 33311-30/F03-20843-05TS | 57524 | STERLING ELECTRIC INC SUB OF A O SMITH CORP | | 33311-30/F03-2084B-05TS | 35743 | VELAN INC | | F03-2084B-05TS | 35743 | VELAN INC | | F03-2084B-05TS | 57524 | STERLING ELECTRIC INC SUB OF A O SMITH CORP |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | FACE TO FACE DISTANCE | 6.500 INCHES | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | MOUNTING POSITION | HORIZONTAL | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 0.500 INCHES |
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