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National Stock Number:
4820-01-423-2023
Federal Supply Class:
4820
National Item Identification Number:
014232023
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:
| 6983468 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6983468-ASSY 98 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES ALL ENDS | | MOUNTING POSITION | HORIZONTAL | | BONNET TYPE | INSIDE SPRING | | MATERIAL | NICKEL ALLOY BODY | | STYLE DESIGNATOR | STRAIGHT THRU | | MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE | | BONNET ATTACHMENT METHOD | BOLTED |
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