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National Stock Number:
4820-01-437-9435
Federal Supply Class:
4820
National Item Identification Number:
014379435
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:
| 5003HN04000010 | 76364 | MILWAUKEE VALVE CO, INC |
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Techincal Specification:
| MATERIAL | COPPER ALLOY BODY | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE SIZE | 4.000 INCHES | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 6.500 INCHES | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 6.500 INCHES | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 7.687 INCHES ALL ENDS | | NOMINAL THICKNESS | 1.000 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.687 INCHES ALL ENDS | | BOLT CIRCLE NOMINAL DIAMETER | 6.562 INCHES ALL ENDS | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | BOLTED | | SPECIAL FEATURES | POLYTETRAFLUOROETHYLENE GASKETS AND PACKING |
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