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National Stock Number:
4820-01-186-0735
Federal Supply Class:
4820
National Item Identification Number:
011860735
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:
| 2620-902ASSYE 1 1/2IN | 96169 | ELECTRIC BOAT CORPORATION | | 803-2177934 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-C731 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177934-C731AF | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 845-1889587 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET TYPE | INSIDE SCREW | | BONNET ATTACHMENT METHOD | THREADED | | CONNECTION STYLE | SOCKET WITH BRAZING RING (PIPE) ALL ENDS | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE ALL ENDS | | DISK LOADING METHOD | WEIGHT | | FURNISHED ITEMS AND QUANTITY | 1 HANDWHEEL | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY 715 BODY | | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE PACKING | | MAXIMUM OPERATING TEMP | 250.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MOUNTING POSITION | HORIZONTAL | | NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES ALL ENDS | | OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE | | RENEWABLE SEAT RING TYPE | THREADED | | VALVE OPERATION METHOD | MANUAL | | STYLE DESIGNATOR | STRAIGHT THRU |
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