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National Stock Number:
4820-01-203-4001
Federal Supply Class:
4820
National Item Identification Number:
012034001
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:
| 178162 | 91643 | SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. | | 178162 1 1/2IN | 76364 | MILWAUKEE VALVE CO, INC | | 5018000150001 | 76364 | MILWAUKEE VALVE CO, INC | | 178162 1-1/2IN | 91643 | SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. |
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Techincal Specification:
| MATERIAL | COPPER ALLOY BODY | | NICKEL ALLOY FLOW CONTROL DEVICE | | NICKEL ALLOY STEM | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE SIZE | 1.500 INCHES | | FACE TO FACE DISTANCE | 6.750 INCHES | | FLOW CONTROL DEVICE | DISK | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 5.062 INCHES ALL ENDS | | NOMINAL THICKNESS | 0.562 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 6 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 3.938 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | MOUNTING POSITION | HORIZONTAL | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED |
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