The sewage treatment blower can adjust its flow rate through the open degree of valve in outlet. And the sewage treatment roots blower is always running in a definately speed. What's more, the energy of shaft is propotional to the running speed. As a result, if we adjust the speed of motor shaft according to the air flow rate of blower, it will save large amount of energy.
Felicia Lin
Email: felicia@chinarootsblower.com
Mobile: 0086-18315459878