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National Stock Number:
4820-00-752-9527
Federal Supply Class:
4820
National Item Identification Number:
007529527
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:
| 33303 | 57574 | VELAN VALVE CORP. | | 51363 | 57574 | VELAN VALVE CORP. | | D422-0-B3 | 11859 | HUNT VALVE COMPANY, INC. |
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Techincal Specification:
| MATERIAL | STEEL BODY | | COBALT ALLOY FLOW CONTROL DEVICE | | COBALT ALLOY SEAT | | COBALT ALLOY STEM | | STYLE DESIGNATOR | ANGLE | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END | | CONNECTION STYLE | SOCKET (PIPE) 1ST END | | MOUNTING POSITION | HORIZONTAL | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BONNET ATTACHMENT METHOD | BOLTED | | DISK LOADING METHOD | WEIGHT | | FEATURES PROVIDED | BONNET PACKING |
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