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National Stock Number:
4820-01-452-1106
Federal Supply Class:
4820
National Item Identification Number:
014521106
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:
| 3255625 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 5205-3 IN-250 LB | 91643 | SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. | | 5205HN0300 | 76364 | MILWAUKEE VALVE CO, INC |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 5.500 INCHES ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.688 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SCREW | | CONNECTION TYPE | FLANGE ALL ENDS | | CRITICALITY CODE JUSTIFICATION | FEAT | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 4.938 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | MOUNTING FACILITY | BRACKET | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 6.625 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.938 INCHES ALL ENDS | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 4.938 INCHES | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 3.000 INCHES |
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