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Principles of naval engineering - Historic Naval Ships Association

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PRINCIPLES OF NAVAL ENGINEERINGADJUSTING SCREWHANDWHEELLOCK NUTADJUSTING SPRINGSTEAM CHAMBERDIAPHRAGM DISK(UPPER MUSHROOM)UPPER DIAPHRAGMACTUATING LINE FROMDISCHARGE SIDEOF PUMPINTERMEDIATE DIAPHRAGMCROSSHEAD CONNECTING ROD^^DIAPHRAGM STEM CAP(INTERMEDIATE MUSHROOM)LOWER DIAPHRAGMCYLINDER LINER __OPERATING PISTONNEEDLE VALVEDIAPHRAGM STEM(LOWER MUSHROOM)DIAPHRAGM STEM GUIDECONTROLLING VALVE BUSHINGCONTROLLING VALVECONTROLLING VALVE SPRINGSTEAM INLET^_^MAIN VALVE —^^^SS^^^t^MAIN VALVE SPRINGSTEAM OUTLET(TO TURBINE)STEM (FOR BYPASS)INDICATOR PLATEHANDWHEEL (FOR BYPASS)Figure 16-10.— Constant-pressure pump governor for main feed pump.3(432

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