4-11
CRANK
CAM
EXHAUST-VALVE
LIMIT SWITCH
DISK
VALVE BODY
OPENING PORT (FROM
EXHAUST-VALVE
LOCK VALVE)
PISTON
CLOSING
CHAMBER
CLOSING PORT
HYDRAULIC
ACTUATOR
ABEf0413
Figure 4-12.—Butterfly exhaust valve.
ORIFICE
TO OVERBOARD EXHAUST LINE
ABEf0414
Figure 4-13.—Pressure-breaking orifice elbow.
PISTON
VALVE BODY
ABEf0415
Figure 4-14.—Keeper valve.
