A centrifugal pump The flow rate of the water pump is also called water delivery, which refers to the volume of water delivered by the water pump in unit time. In terms of Q,
the units are m3/H, L/S. The lift height of the centrifugal pump is different
from the lifting height (lifting height) of the pump. Only when the pump's inlet
and outlet vessels are all at 0.1MP, the inlet and outlet pipe diameters are the
same and the pipeline resistance can be ignored without timing, the pump head
and lifting height are the same.
Pump head refers to the height at which the pump can lift water, usually expressed in H, in m. The head of the centrifugal pump is divided into two parts
with the center line of the impeller as the reference. The vertical height from
the center line of the impeller to the water surface of the water source, that
is, the height at which the water can be drawn up by the water pump, is called
the suction head, or suction head. The vertical height from the center line of
the impeller to the water surface of the outlet pool, that is, the height at
which the water can be pressed up by the pump, is called the hydraulic head, or
the hydraulic head.
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