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The concept of gear pump is very simple, most basic form is that two of the same size gear in a closely matched housing intermeshing and rotating, the inside of this housing similar to the “8 …

The function of the check valve at the outlet of pumps is to prevent the impeller damage caused by the backflow of liquid in the outlet pipe from forming a water hammer. The installation of check valv …

When designing the equipment, the design institute should determine the purpose and performance parameters of the pump and select the pump type.This kind of choice must start from the kind that choose …

Selecting the structure of centrifugal pump is an important step in the design of centrifugal pump.The so – called choice centrifugal pump structure form, is to determine whether single or doubl …