Multistage centrifugal pump with single stage centrifugal pump - what are the difference between

we know in multistage centrifugal pump and the difference between a single stage centrifugal pump, we must first understand what is a multistage centrifugal pump, what is a single-stage centrifugal pump. Multistage centrifugal pump is the same two or more function combination of centrifugal pump. Fluid channel structure shows for the level of medium voltage discharge mouth entrance connected with the second level, and the second level of medium voltage discharge port connected with the third level of entry. This serial mechanism formation of multistage centrifugal pump. Generally speaking, the multistage centrifugal pump is refers to two or more impellers in series, while only a single stage centrifugal pump impeller, through an extension of elastic coupling and motor. Viewed from the driving end, water pump in the direction of rotation is clockwise.

first, single-stage centrifugal pump is the foundation of the multistage centrifugal pump. Both are centrifugal pump. Series of the same size impeller is installed on the same pump, multistage centrifugal pump.

1。 So obvious difference between the impeller of the two different, only a single stage centrifugal water pump impeller, the multistage centrifugal pump impeller number in the two above, refers to only one single stage centrifugal pump impeller pump, head is only 125 meters;

2。 Multistage centrifugal pump is to point to have two or more than two impeller pump, its head can be more than 125 meters; When the single-stage pump lift need equipped with two levels of motor, by increasing the number of impeller, multi-stage pump can be equipped with four motor, so as to improve the service life of the pump, reduces the noise. However, multistage water pump maintenance more difficult than a single stage pump.

3。 Stress is formed by the superposition of each level of the impeller. Single-stage and multistage centrifugal pump impeller differences lead to the pressure difference between the two. Single-stage centrifugal pump pressure low flow rate, multistage centrifugal pump pressure high flow, low pressure.

4。 Multistage centrifugal pump is high, the axial force is larger than single pump, single-stage centrifugal pump lift than multistage centrifugal pump is low, but the 651351). Pressure is low.

5。 When the real head of the pump is less than 125 meters, single-stage centrifugal pump or multistage centrifugal pump according to the pump room area, pump prices ( Multistage centrifugal pump prices generally higher than that of single-stage centrifugal pump) Factors such as comprehensive consideration.

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