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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:
| STYLE DESIGNATOR | ANGLE FLANGED ENDS | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 7.000 INCHES | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 7.000 INCHES | | MEDIA FOR WHICH DESIGNED | WATER, SALT SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | MANUAL | | CONNECTION TYPE | FLANGE 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | NOMINAL OUTSIDE DIAMETER | 8.250 INCHES 1ST END | | BOLT HOLE QUANTITY | 8 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.875 INCHES 1ST END | | BOLT CIRCLE NOMINAL DIAMETER | 6.625 INCHES 1ST END | | FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | OUTSIDE SCREW-YOKE | | FEATURES PROVIDED | BONNET PACKING | | SPECIAL FEATURES | SPUR GEAR OPERATED WITH INVERTED OPERATING STEM |
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