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National Stock Number:
4820-00-541-3568
Federal Supply Class:
4820
National Item Identification Number:
005413568
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:
| 18847 | 14959 | CRANE CO DIV VALVE DIV |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 5.500 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 1ST END | | BOLT HOLE QUANTITY | 8 1ST END | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | EXPOSED SPRING | | CONNECTION TYPE | FLANGE 1ST END | | DISK LOADING METHOD | SPRING | | FACE TO FACE DISTANCE | 10.000 INCHES | | FEATURES PROVIDED | BONNET PACKING | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLOW CONTROL DEVICE | DISK | | MATERIAL | STEEL BODY | | MATERIAL | STEEL FLOW CONTROL DEVICE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 6.625 INCHES 1ST END | | NOMINAL THICKNESS | 0.500 INCHES 1ST END | | RENEWABLE SEAT RING TYPE | THREADED | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 3.000 INCHES |
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