258 



HYDRAULIC EQUIPMENT 



FIG. 139. Large Capacity Hydraulic Governor. 



Company.) 



(Built by I. P. Morris 



Fig. 139 illustrates a double floating-lever type hydraulic 

 governor adapted to large turbines as built by the I. P. Morris 

 Company. 



3. PRESSURE REGULATORS OR RELIEF VALVES 



Pressure regulation is a problem which must be considered in 

 connection with the speed regulation of a plant. As previously 

 stated, if the pipe lines are long, either sufficient flywheel effect 



