Product characteristics 1, the use of a unique single or double impeller structure, greatly improve the ability of dirt through the pump diameter of 5 times the fiber material and the diameter of the pump diameter of about 50% of the solid particles. 2, the mechanical seal uses a new type of hard corrosion-resistant tungsten titanium material, which can make the pump run safely and continuously for more than 8000 hours. 3, the overall structure is compact, small volume, low noise, significant energy saving effect, easy maintenance, no need to build pump room, diving into the water can work, greatly reducing the project cost. 4. The pump seal oil chamber is equipped with a high-precision anti-interference water leakage detection sensor, and the stator winding is embedded with a heat-sensitive element to automatically protect the pump motor. 5, can be equipped with automatic control cabinet according to user needs, the pump water leakage, leakage, overload and overtemperature automatic protection, improve the safety and reliability of the product. 6. The float switch can automatically control the start and stop of the pump according to the required level change, without special care, and it is very convenient to use. 7, WQ type submersible sewage pump can be equipped with double rail automatic coupling installation system according to user needs, it brings more convenience to installation and maintenance, people can not enter the sewage pit for this. 8, can be used in the full head, and ensure that the motor will not overload. 9, there are two different installation methods, fixed automatic coupling installation system, mobile free installation. Main use WQ type submersible sewage pump is suitable for chemical, petroleum, pharmaceutical, mining, paper industry, cement factory, steel mill, power plant, coal processing industry, as well as urban sewage treatment plant drainage system, municipal engineering, construction site and other industries conveyor belt sewage, dirt, can also be used for pumping clean water and corrosive media.