Sewage pump is a pump and motor Siamese, and at the same time submerged pump work under the liquid products, and the general horizontal pump or vertical sewage pump, sewage pump compact, small footprint. Easy installation and maintenance Small sewage pump can be freely installed, large sewage pumps are generally equipped with automatic coupling device can be automatically installed, installation and maintenance is quite convenient, continuous operation for a long time. Sewage pump pump and motor due to coaxial, short shafts, rotating parts light weight, so the bearing load (radial) is relatively small, life expectancy much longer than the average pump. There is no cavitation damage and irrigation water and other issues. Especially after the point to the operator has brought great convenience. Vibration noise is small, the motor temperature is low, no pollution to the environment. Sewage pump discharge flow should be designed to select the second life of the drainage; when the displacement adjustment, according to the life of the largest hour of discharge selected. Fire elevator pool drain pump flow rate of not less than 10L / s. Public buildings should be used for each living drainage cistern as a unit to set up a spare pump, usually should be run interactively. Basement, equipment room, garage flushing the ground drainage, if there are two or more than two sewage pump equipment pump. Sewage pump lift by lifting height, pipe loss calculation is confirmed, then add a certain free head. Free head should adopt 0.02 ~ 0.03MPa. Sewage collection pond submersible sewage pump drainage should be set submersible sewage pump fixed auto-coupling device to facilitate submersible sewage pump maintenance. Submersible sewage pump should be able to automatically start and stop the scene and start and stop manually. Multiple submersible sewage pumps can be alternately operated in parallel, can also be put into operation in stages. Submersible sewage pump is a water pump and motor Siamese, and at the same time submerged work under the pump products, compared with the general horizontal pump or vertical sewage pump, submersible sewage pump obviously has the following advantages: Compact structure, small footprint. Submersible sewage pump submersible work, so can be installed directly in the sewage tank, without the need to build a dedicated pump room for the installation of pumps and machines, you can save a lot of land and infrastructure costs. 2 installation and maintenance easy. Small submersible sewage pump can be freely installed, large submersible sewage pumps are generally equipped with automatic coupling device can be automatically installed, installation and maintenance quite convenient. 3. Continuous operation for a long time. Submersible sewage pump due to pump and motor coaxial, short shafts, rotating parts light weight, so the bearing load (radial) is relatively small, longer life expectancy than the average pump. 4. There is no cavitation damage and irrigation water and other issues. Especially after the point to the operator has brought great convenience. 5. Vibration noise, low motor temperature, pollution-free environment. It is because of the above advantages, submersible sewage pump has been more and more people's attention, the use of a more and more wide range from the original purely for the transport of fresh water to the present can transport a variety of domestic sewage, industrial wastewater, construction Site drainage, liquid feed and more.