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National Stock Number:
4820-01-331-8670
Federal Supply Class:
4820
National Item Identification Number:
013318670
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:
| NB25221E-0000 | 30263 | PIMA VALVE, LLC | | NB25221E-0000 6INCH | 30263 | PIMA VALVE, LLC | | NB25221E-0000 6INCH | 38881 | MONTREAL BRONZE LIMITED |
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Techincal Specification:
| BOLT HOLE NOMINAL DIAMETER | 0.688 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | BOLT CIRCLE NOMINAL DIAMETER | 8.875 INCHES ALL ENDS | | CONNECTION TYPE | FLANGE ALL ENDS | | FACE TO FACE DISTANCE | 14.750 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY BODY | | PROPRIETARY CHARACTERISTICS | PACS | | MOUNTING POSITION | HORIZONTAL | | NOMINAL OUTSIDE DIAMETER | 10.125 INCHES ALL ENDS | | NOMINAL THICKNESS | 1.188 INCHES ALL ENDS | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 6.000 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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