Outside industry, horizontal centrifugal pumps are mainly used in the field of desalination, irrigation, drinking water supply, water treatment plants, air conditioning and heating installations, fire-fighting equipment, etc.
As for the efficiency of a horizontal centrifugal pump, to find out the coefficient, the hydraulic power must be divided by the power supplied to the pump shaft. In this way, the percentage of power transmitted to the fluid regarding the total is obtained. The formula is usually used:
η = P / Peb