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National Stock Number:
4820-01-004-8464
Federal Supply Class:
4820
National Item Identification Number:
010048464
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:
| 37459S/A | 96046 | CRANE PUMPS & SYSTEMS PFT CORP |
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Techincal Specification:
| MATERIAL | ALUMINUM ALLOY OVERALL | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE SIZE | 4.000 INCHES | | FACE TO FACE DISTANCE | 7.843 INCHES | | FLOW CONTROL DEVICE | DISK | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 7.800 INCHES 1ST END | | 6.835 INCHES 2ND END | | NOMINAL THICKNESS | 0.500 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BOLT HOLE NOMINAL DIAMETER | 0.375 INCHES 1ST END | | 0.406 INCHES 2ND END | | BOLT CIRCLE NOMINAL DIAMETER | 6.385 INCHES 1ST END | | 5.865 INCHES 2ND END | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | EXPOSED SPRING | | BONNET ATTACHMENT METHOD | INTEGRAL | | DISK LOADING METHOD | SPRING |
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