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National Stock Number:
4820-01-425-5791
Federal Supply Class:
4820
National Item Identification Number:
014255791
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:
| SS-58S8 | 02570 | SWAGELOK CO | | SS-58S8 | 18034 | NUPRO CO | | SS58S8 | U5940 | BRISTOL FLUID SYSTEMS TECHNOLOGIES LTD |
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Techincal Specification:
| CONNECTION STYLE | PLAIN (PIPE) ALL ENDS | | CONNECTION TYPE | THREADED EXTERNAL PIPE ALL ENDS | | OPERATING PRESSURE | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | STEEL COMP 316 BODY | | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE | | MAXIMUM OPERATING TEMP | 482.0 CELSIUS SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | LIQUID SINGLE RESPONSE | | NOMINAL THREAD SIZE | 0.500 INCHES ALL ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | SUPPLEMENTARY FEATURES | FLOW CONTROL DEVICE: PLUG |
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