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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 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES 2ND END | | BOLT HOLE QUANTITY | 8 1ST END | | BOLT HOLE QUANTITY | 8 2ND END | | BONNET TYPE | PACKING RETAINING | | BOLT CIRCLE NOMINAL DIAMETER | 6.062 INCHES 1ST END | | BOLT CIRCLE NOMINAL DIAMETER | 6.562 INCHES 2ND END | | CONNECTION TYPE | FLANGE 1ST END | | CONNECTION TYPE | FLANGE 2ND END | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 6.500 INCHES | | FLANGE FACE DESIGN | PLAIN 1ST END | | FLANGE FACE DESIGN | PLAIN 2ND END | | FLANGE SHAPE | ROUND WITH HOLES 1ST END | | FLANGE SHAPE | ROUND WITH HOLES 2ND END | | MATERIAL | COPPER ALLOY FLOW CONTROL DEVICE | | MATERIAL | COPPER ALLOY BODY | | NOMINAL OUTSIDE DIAMETER | 7.188 INCHES 1ST END | | NOMINAL OUTSIDE DIAMETER | 7.688 INCHES 2ND END | | NOMINAL THICKNESS | 0.500 INCHES 1ST END | | NOMINAL THICKNESS | 0.500 INCHES 2ND 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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