Multistage centrifugal explosion-proof pump with high

Actually for the multistage centrifugal explosion-proof pump, when multistage centrifugal explosion-proof pump type is determined, the size of the consumed power is proportional to the actual flow pump more. And multistage centrifugal explosion-proof pump flow rate will decrease with the increase of the head, thus the higher the head, the smaller the flow, and the smaller power consumption. Conversely, the lower the head, the greater the flow rate, the greater the power consumption, following the way of multistage centrifugal explosion-proof water pump head with high.

multistage centrifugal explosion-proof pump lift its relationship with high current =

multistage centrifugal explosion-proof pump head * flow, first of all, the head is by the energy loss in the piping and valves for water and decision, he said that can give the energy value of water water pump, motor speed drop head, of course, also fall

after the multistage centrifugal explosion-proof pump outlet valve down, because the head is constant, flow is reduced, so the current of the pump is reduced, if the current minimum is close, but slightly larger than the idler, because there is water resistance.

multistage centrifugal explosion-proof pump current minimum, is idle, the pump body what all have no, water and atmosphere directly connected, turn pump bye [ Submersible pump, of course, such a long time turn can lead to overheating is damaged, and even the ordinary pump, this is not good. ]

and multistage centrifugal explosion-proof pump current biggest, is that when the inlet connection source material, such as water, and export restrictions, such as directly connected to the atmosphere, don't even answer the pipes, this time, the maximum flow, the maximum pump current.

however, general manufacturer of pumps, matching of the motor are calculated according to the rated flow, unrestricted like this is likely to lead to motor overload when burned, but big manufacturer is different, they are usually in accordance with the maximum matching of the motor, even without limit, maximum efficiency is not high, but will not damage the water pump.

need huge investment, so it is important to shop with caution.
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