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National Stock Number: 4820-01-272-6665
Federal Supply Class: 4820
National Item Identification Number: 012726665
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:
| B1221A 1.50IN | 30263 | PIMA VALVE, LLC | | FIG NO B-1221-A SZ 1 1/2 IN | 11859 | HUNT VALVE COMPANY, INC. | | FIG NO B-1221-A SZ 1 1/2 IN | 30263 | PIMA VALVE, LLC |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | INSIDE SPRING | | FACE TO FACE DISTANCE | 6.000 INCHES | | FLOW CONTROL DEVICE | DISK | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | MOUNTING POSITION | HORIZONTAL | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | SPECIAL FEATURES | STOP-CHECK TYPE | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 1.500 INCHES |
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