Handbook of Civil Engineering Calculations

GALLONS PER MINUTE

FIGURE 18. Single- and dual-parallel pump characteristic curves.

GALLONS PER MINUTE

FIGURE 17. Typical pump characteristic curves.

Head,

m

FEETOFHEAD

ONE PUMP TWO PUMPS

Paralleled

1/4 HP PUMP

SYSTEM LOAD

1/2 HP PUMP (0.37 KW)