Figure 13-10.--Constant-pressure governor for main feed pump.
for different services is in the size of the upper
governor for a main feed pump. The governors used on
diaphragm. A governor used for a pump that operates
with a high discharge pressure has a smaller upper
fuel oil service pumps, lube oil service pumps, fire and
flushing pumps, and various other pumps are almost
diaphragm than one used for a pump that operates with
identical. The chief difference between governors used
a low discharge pressure.