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National Stock Number:
4820-01-434-3344
Federal Supply Class:
4820
National Item Identification Number:
014343344
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:
| 211031925 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 6397434 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-2177934-244121 | 53711 | NAVAL SEA SYSTEMS COMMAND | | 803-6397434-244121 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| MATERIAL | COBALT AND | | CHROMIUM AND | | NICKEL FLOW CONTROL DEVICE | | RUBBER FLUOROCARBON CLASS FPM PACKING | | COBALT AND | | NICKEL SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-C-24252 COMP 1 COND CA-7 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | | MIL-R-83248 TY 1 CL2 90 DUROMETER MIL SPEC SINGLE MATERIAL RESPONSE PACKING | | MIL-C-24252 COMP 1 COND A MIL SPEC SINGLE MATERIAL RESPONSE SEAT | | STYLE DESIGNATOR | STRAIGHT THRU | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 1.000 INCHES ALL ENDS | | MOUNTING POSITION | HORIZONTAL | | RENEWABLE SEAT RING TYPE | THREADED | | BONNET TYPE | PACKING RETAINING | | FURNISHED ITEMS AND QUANTITY | 1 CAP AND | | 1 WRENCH |
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