4, the support shaft bearing is set in the shaft member, there are two kinds of rolling bearings and plain bearings. Rolling refuel using butter as a lubricant to the appropriate volume is generally much 2/3 to 3/4 may have a fever, D12-25 × 4 multi-stage pump, there are too few sound and heat! Bearing pump structure is a transparent oil as a lubricant, fuel oil level line. D-type multi-stage centrifugal pump series; the series of pumps are horizontal multistage centrifugal pump, D12-25 × 6 multi-stage pump, using the state recommended hydraulic model of energy-efficient products, with high efficiency, performance range wide, safe and stable operation, installation and easy maintenance. This series of pumps for transporting solids content ≦ 1.5%, multi-stage pump, particles ≦ 0.5mm, temperature below 80 ℃ neutral mine water and other similar sewage, D12-25 × 7 multi-stage pump, pump allowed inlet pressure of not more than 0.6MPa. Suitable for mines, factories and urban water supply and drainage purposes. The series of multi-stage centrifugal pumps, factory outlets, users are welcome to inquire order. D12-25 × 5 multistage pumps, multistage pumps, impeller, shaft, middle Ltd provided by the Shijiazhuang-send pump. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) strong, credible, and other industries in other Shijiazhuang, Hebei accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shijiazhuang-faction pump into the brilliant and you work for a better future!