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National Stock Number:
4820-01-554-1320
Federal Supply Class:
4820
National Item Identification Number:
015541320
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:
| 2177525 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-S841 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-S8D1AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | BOLTED | | BONNET TYPE | OUTSIDE SCREW-YOKE | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | CONNECTION STYLE | SOCKET (PIPE) ALL ENDS | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 900.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | ANGLE STOP-CHECK WITH BACKSEAT | | MATERIAL | COBALT COMP L-605 FLOW CONTROL DEVICE | | MATERIAL | STEEL COMP 316 BODY | | MATERIAL | STEEL COMP 316 STEM | | MAXIMUM OPERATING TEMP | 775.0 FAHRENHEIT SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 2.000 INCHES ALL ENDS | | SPECIAL FEATURES | 11-INCH HAND WHEEL | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | ANGLE |
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