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National Stock Number:
4820-00-087-1579
Federal Supply Class:
4820
National Item Identification Number:
000871579
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:
| 749879 | 80045 | L3HARRIS CINCINNATI ELECTRONICS CORPORATION | | 749880-1 | 80045 | L3HARRIS CINCINNATI ELECTRONICS CORPORATION |
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Techincal Specification:
| CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS | | NOMINAL PIPE SIZE ACCOMMODATED | 0.125 INCHES ALL ENDS | | THREAD SERIES DESIGNATOR | NPT ALL ENDS | | NOMINAL THREAD SIZE | 0.125 INCHES ALL ENDS | | THREAD DIRECTION | RIGHT-HAND ALL ENDS | | MATERIAL | STEEL CORROSION RESISTING OVERALL | | SURFACE TREATMENT | PASSIVATE | | STYLE DESIGNATOR | STRAIGHT THRU Y-PATTERN | | FLOW CONTROL DEVICE | DISK | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | MAXIMUM OPERATING PRESSURE | 150.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | VALVE OPERATION METHOD | AUTOMATIC OR | | MANUAL | | CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS | | MOUNTING POSITION | HORIZONTAL OR | | VERTICAL | | BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | INTEGRAL | | FEATURES PROVIDED | BONNET PACKING |
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