The water pump impeller is a key accessory of a multi-stage centrifugal pump, made of cast iron. Stainless steel material can also be used, and the blades on the water pump impeller play a major role. The shape and size of the water pump impeller are closely related to the performance of the water pump. Water pump impellers can generally be divided into two types: single suction and double suction. Single suction impellers absorb water from one side, while small flow pump impellers are mostly of this type. The double suction impeller absorbs water from both sides, and the high flow water pump impeller adopts the double suction impeller.
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