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National Stock Number:
4820-00-045-5077
Federal Supply Class:
4820
National Item Identification Number:
000455077
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:
| 2620-902ASSYF3-4 | 63686 | THE WALWORTH COMPANY | | 2620-902ASSYF3-4 | 96169 | ELECTRIC BOAT CORPORATION | | 534-1-3-4IN | 76364 | MILWAUKEE VALVE CO, INC | | 845-1889587ASSYF3-4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BONNET ATTACHMENT METHOD | THREADED | | BONNET TYPE | INSIDE SCREW | | CONNECTION TYPE | UNTHREADED INTERNAL PIPE 1ST END | | CONNECTION STYLE | SOCKET (PIPE) 1ST END | | DISK LOADING METHOD | WEIGHT | | FEATURES PROVIDED | BONNET PACKING | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY 922 BODY | | MATERIAL | NICKEL ALLOY R-405 SEAT | | MATERIAL | NICKEL ALLOY R-405 STEM | | MATERIAL | PLASTIC FLOW CONTROL DEVICE | | MAXIMUM OPERATING PRESSURE | 700.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 150.0 FAHRENHEIT SINGLE RESPONSE | | MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE | | MOUNTING POSITION | VERTICAL | | NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END | | RENEWABLE SEAT RING TYPE | THREADED | | STYLE DESIGNATOR | ANGLE | | TEST DATA DOCUMENT | 96169-2620-902ASSYF3/4 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | | VALVE OPERATION METHOD | MANUAL |
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