The use of polymer composites in the pump operation, the pump flow of water is affected with the runner and the pump impeller and the friction surface of the viscosity of the water itself, the energy consumed by the pump is mainly used for resistance to the flow of water on the surface and the frictional force eddy resistance. Energy (head loss) of water consumed in the flow process is used to overcome the friction and the internal friction of the water and the device interface. If the pump impeller smooth surface (this surface is called hydraulic smooth surface) surface resistance is small. Energy consumption is small, the water pump impeller flow surface and the coating polymer composite materials to the surface to form a smooth surface hydraulic double suction pump, ultra-smooth surface coating surface finish is polished stainless steel after 20 times, and this very smooth The surface reduces the stratified fluid pump, thereby reducing turbulence inside the pump, reduce volume loss and hydraulic losses in the pump and reduce power consumption. To reduce flow resistance loss purposes, thereby improving the efficiency of the hydraulic pump, while a certain extent, also increase the mechanical efficiency and volumetric efficiency. Dense molecular structure of the coating, can be isolated from contact with the air, water and other media and pump impeller base metal Gansu double suction pump, to minimize galvanic corrosion and rust. Further, the nature of the polymer composite material is a polymer, having a chemical resistance, corrosion resistance can be improved pump, the pump can greatly enhance erosion resistance and corrosion resistance. To choose the appropriate pump exceeded. After determining the type of pump, to consider their economic performance, with particular attention to the head and flow and supporting the choice of pump power. It must be noted on the label of the pump head (total head) and water lift (the actual head) to use when there is a difference, it is there will be some resistance loss due to water flow through pipes and tubing at nearby input. Therefore, the actual head than the general 10% -20% of the total head low, the water is also reduced. Therefore, the actual use, can only sign the note of 80% to 90% of head and flow estimates Xinjiang double suction pump, water pump auxiliary power select Yasukuni double suction pump, according to the signs indicate the power options, in order to make the pump Start fast and safe to use, power machine of power can also be slightly larger than the pump power required, generally about 10% higher than is appropriate; if you have power, buy pumps, you can press the power machine of power to buy a matching pump. Yasukuni double suction pump, double suction pumps, water pumps provided by the Hebei Xin-Xin Cheng pump factory. Hebei Xin-pump factory (www.shuibeng999.com) strong, credible, in Baoding centrifugal pumps and other industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xin Cheng pumps and you work into the brilliant, for a better future!