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National Stock Number:
4820-00-287-5842
Federal Supply Class:
4820
National Item Identification Number:
002875842
Description:
VALVE,WEIGHTED CONTROL,PISTON
Detail:
A VALVE CONSISTING OF A PORTED, DEAD WEIGHTED, HOLLOW PISTON WHICH MOVES VERTICALLY ACROSS THE INLET PASSAGE WITHIN THE VALVE BODY. CHANGES IN THE PRESSURE CONTROLLED POSITION OF THE PISTON VARY THE EFFECTIVE AREA OF THE PORTS EXPOSED TO THE INLET FLOW IN SUCH A MANNER AS TO MAINTAIN A CONSTANT OUTLET LINE PRESSURE. IT HAS NO SEATS OR DISK. FOR DEAD WEIGHT LOADED PRESSURE REGULATING VALVE OF SEAT AND DISK CONSTRUCTION, SEE ALSO VALVE, REGULATING, FLUID PRESSURE.
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Manufacturer Information:
| DD692S4810-50ALT | 80064 | NAVAL SHIP SYSTEMS COMMAND | | S0LE S0URCE SPC | 71905 | DERBYSHIRE MACHINE & TOOL CO | | X3566 | 71905 | DERBYSHIRE MACHINE & TOOL CO |
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Techincal Specification:
| BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES FIRST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES SECOND END | | BOLT CIRCLE NOMINAL DIAMETER | 6.062 INCHES FIRST END | | BOLT CIRCLE NOMINAL DIAMETER | 6.562 INCHES SECOND END | | BOLT HOLE QUANTITY | 8 FIRST END | | BOLT HOLE QUANTITY | 8 SECOND END | | BONNET TYPE | PACKING RETAINING | | CONNECTION TYPE | FLANGE SECOND END | | CONNECTION TYPE | FLANGE FIRST END | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 6.500 INCHES | | FLANGE FACE DESIGN | PLAIN FIRST END | | FLANGE FACE DESIGN | PLAIN SECOND END | | FLANGE SHAPE | ROUND WITH HOLES FIRST END | | FLANGE SHAPE | ROUND WITH HOLES SECOND END | | MATERIAL | COPPER ALLOY BODY | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | NOMINAL OUTSIDE DIAMETER | 7.188 INCHES FIRST END | | NOMINAL OUTSIDE DIAMETER | 7.688 INCHES SECOND END | | NOMINAL THICKNESS | 0.500 INCHES SECOND END | | NOMINAL THICKNESS | 0.500 INCHES FIRST END | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 6.000 INCHES | | STYLE DESIGNATOR | ANGLE FLANGED ENDS | | VALVE OPERATION METHOD | AUTOMATIC | | VALVE SIZE | 3.500 INCHES |
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