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National Stock Number:
4820-01-520-7878
Federal Supply Class:
4820
National Item Identification Number:
015207878
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:
| 803-1385541 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-1385541-084AF | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 9.750 INCHES | | FLOW CONTROL DEVICE | DISK | | MATERIAL | COPPER ALLOY 922 BODY | | MATERIAL | NICKEL ALLOY FLOW CONTROL DEVICE | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL | NICKEL ALLOY STEM | | MAXIMUM OPERATING PRESSURE | 100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | | MAXIMUM OPERATING TEMP | 400.0 FAHRENHEIT SINGLE RESPONSE | | MINIMUM OPERATING TEMP | 30.0 FAHRENHEIT | | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVES, BRONZE, FLANGED, IN-LINE AND ANGLE STOP AND STOP CHECK 2-1/2 TO 12 INCH | | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
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