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National Stock Number:
4820-01-148-4999
Federal Supply Class:
4820
National Item Identification Number:
011484999
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:
| 803-2177525 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-C751 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-C751AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SCREW | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | STEEL OVERALL | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU | | VALVE OPERATION METHOD | AUTOMATIC |
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