The submersible sewage pump is a submersible sewage pump that can tear and cut long fibers, bags, belts, grass, cloth strips and other substances in the sewage, and then discharge them smoothly.
QDX submersible pump is a new generation product developed on the basis of introducing foreign advanced technology and combining the characteristics of Chinese users.
The so-called auxiliary impeller hydrodynamic seal refers to the installation of an open impeller in the opposite direction and coaxially near the rear of the pump impeller rear baffle.