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National Stock Number:
4820-01-484-5445
Federal Supply Class:
4820
National Item Identification Number:
014845445
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:
| 803-2177934-B746 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION STYLE | BEVELED (PIPE) ALL ENDS | | CONNECTION TYPE | BUTT WELD PIPE ALL ENDS | | MATERIAL | COPPER ALLOY 706 BODY | | MAXIMUM OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MOUNTING POSITION | VERTICAL | | SPECIAL FEATURES | FLOW CONTROL METHOD: STEM | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | ANGLE |
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