Frequency Booster Water Supply Pump Set, apply for hydrants pump station take the best variable speed drive in the worldwide. The origin national variable speed drive controls the speed and quantity of single or more than pumps to make sure constant pressure water supply. Then our water supply system is the most reasonable and economical. Meanwhile, automaticly operation. Compact structure, Fully functional, small space. Instead of traditional water tower, high water tank and water supply equipment. Save engineering cost, Shorten the project time. Avoid the second water pollution.