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National Stock Number:
4820-01-554-0937
Federal Supply Class:
4820
National Item Identification Number:
015540937
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:
| 803-2177525 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-C733 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177525-C7C3AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| CONNECTION TYPE | BUTT WELD PIPE ALL ENDS | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | FLOW CONTROL DEVICE | DISK | | OPERATING PRESSURE | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | MATERIAL | STEEL BODY | | MATERIAL | STEEL COMP 420 FLOW CONTROL DEVICE | | MATERIAL | STEEL COMP 316 STEM | | MEDIA FOR WHICH DESIGNED | STEAM SINGLE RESPONSE | | PART NAME ASSIGNED BY CONTROLLING AGENCY | IN-LINE STOP-CHECK VALVE | | SPECIAL FEATURES | END CONNECTIONS: BUTT WELD IAW SCHEDULE 80 | | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL | | VALVE SIZE | 1.500 INCHES | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS |
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