Urban sewage is a general name of sewage that is discharged into urban sewage system, which also includes the production waste water and intercepted rainwater. Urban sewage mainly contains domestic sewage and industrial sewage. They are transported to the sewage treatment plant to treat after collected by the city drainage pipe network. Sewage collection and transportation system needs many pump systems to collect and transport the sewage to the sewage treatment plant. The equipment has high protection requirements as the operation environment is poor.
SAJ electric provides high level protection smart pump drive, which can effectively prevent the high humidity and corrosion from damaging the device. The installation is simple and convenient and performance is stable. Variable frequency starting has small impact on the motor to make the system life longer.