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National Stock Number:
4820-01-272-7517
Federal Supply Class:
4820
National Item Identification Number:
012727517
Description:
VALVE,STOP-CHECK
Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO 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. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
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Manufacturer Information:
| 152F-8-SC-4IN AND 8698 | 79342 | WILLIAM E WILLIAMS VALVE CORP | | 152F-8-SC-4IN AND 8698-I | 79342 | WILLIAM E WILLIAMS VALVE CORP |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | FACE TO FACE DISTANCE | 11.500 INCHES | | FLOW CONTROL DEVICE | DISK | | MOUNTING POSITION | HORIZONTAL | | RENEWABLE SEAT RING TYPE | THREADED OR WELDED | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 4.000 INCHES |
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