Energy-saving transformation method and product of low-resistance efficient circulating water system

The invention discloses an energy-saving transformation method and product of a low-resistance efficient circulating water system. The method is mainly characterized in that a bypass in parallel connection with a main path filter is arranged on a main path, and a valve or/and a bypass filter is/are arranged on the bypass. The filter is an element which has the most influence on pipeline resistance, a main path filter is provided with the bypass filter in a parallel-connection mode, the pipeline resistance can be obviously reduced, and energy consumption can be greatly reduced. In the water with the good water quality, the filter is only used on the occasion needing cleaning, a direct-through bypass can be added, that is, the valve is arranged on the bypass, and thus the valve is closed only when the pipeline is cleaned, the water passes through the filter, in the working process, the valve is opened, the water directly passes through the valve, the influence of the filter on the pipeline resistance can be com