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National Stock Number:
4820-00-287-5844
Federal Supply Class:
4820
National Item Identification Number:
002875844
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:
| 5-S-1520ALT3 | 71905 | DERBYSHIRE MACHINE & TOOL CO | | 5-S-1520ALT3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 6.062 INCHES 1ST END | | BOLT CIRCLE NOMINAL DIAMETER | 6.562 INCHES 2ND END | | BOLT HOLE NOMINAL DIAMETER | 0.562 INCHES ALL ENDS | | BOLT HOLE QUANTITY | 8 ALL ENDS | | CONNECTION TYPE | FLANGE 2ND END | | CONNECTION TYPE | FLANGE 1ST END | | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 8.500 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | NOMINAL OUTSIDE DIAMETER | 7.188 INCHES 1ST END | | NOMINAL OUTSIDE DIAMETER | 7.688 INCHES 2ND END | | MATERIAL | COPPER ALLOY OVERALL | | MAXIMUM OPERATING PRESSURE | 5.000 POUNDS PER SQUARE INCH SINGLE RESPONSE | | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 7.000 INCHES | | STYLE DESIGNATOR | ANGLE FLANGED ENDS |
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