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Hydraulic and Pneumatic Knowledge
Fluid Power Equipment
The illustration below, shows an open-center
system with a flow divider. A flow divider takes the volume
of oil from a pump and divides it between two functions. For
example, a flow divider might be designed to open the left
side first in case both control valves were actuated
simultaneously. Or, it might divide the oil to both sides,
equally or by percentage. With this system, a pump must be
large enough to operate all the functions simultaneously. It
must also supply all the liquid at the maximum pressure of
the highest function, meaning large amounts of HP are wasted
when operating only one control valve.
Open-center system with a flow divider
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