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National Stock Number:
4820-00-265-6958
Federal Supply Class:
4820
National Item Identification Number:
002656958
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:
| 2847H | 80318 | BTR VALVE SEALANTS INC | | 605H | 80318 | BTR VALVE SEALANTS INC |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES FIRST END | | BOLT HOLE QUANTITY | 8 FIRST END | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | FLANGE FIRST END | | FEATURES PROVIDED | BONNET PACKING | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 7.000 INCHES | | FLANGE FACE DESIGN | RAISED STRAIGHT FIRST END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER | 8.250 INCHES FIRST END | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 7.000 INCHES | | SPECIAL FEATURES | SPUR GEAR OPERATED WITH INVERTED OPERATING STEM | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
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