2, the mechanical seal with anticorrosive hard tungsten carbide material, while improved seals for double seal so long in the oil chamber. 3, the pump for the vertical structure, while working pump submerged in the liquid, so it is easy to start, there is no exhaust evacuation problems, but with no leakage, etc., liquid depth of up to 0.5-7 meters. 4, the overall structural design is reasonable, low noise, energy-saving effect is remarkable, easy maintenance. 5, advanced and reliable access shaft structure 40YW15-30-2.2, pump and motor shaft coupling using about sex, shaft size precision, to ensure the smooth operation of the pump, with sufficient security system. 6, can lift the whole range of use in order to ensure the motor is not overloaded. 7, according to user needs can be equipped with automatic control cabinet liquid, depending on the desired liquid changes, automatic control of pump start and stop, without special care, extremely easy to use. Liquid-type non-clogging sewage pump conditions of use: 1, medium temperature operation 70 ℃ 50YW20-7-0.75, medium and severe ≤1 ~ 1.3kg / dm3. 2, cast iron, the use of media, PH value in the range of 5 to 9. 3,1Cr18Ni9Ti stainless steel, can be used with a variety of corrosive media. 4, a special temperature, media, etc., indicate the conditions of use when ordering. Features 1, this liquid sewage pump with double blade impeller structure 50YW25-32-5.5, greatly improving the dirt capacity 2, mechanical seals with new frictions deputy and long-term operation of the oil into the interior; 3, the overall structure compact, small size, low noise, energy-saving effect is remarkable, easy maintenance, user-friendly replacement; 4, automatic control cabinet can change depending on the desired level, automatic control over movement and stop the pump, without special care, extremely easy to use; 5, according to user needs with installation, it is to install, repair arrival great convenience, people can avoid this to get into the sump; 6, can be used in the design range, and to ensure that the motor is not overloaded; 7, mechanical seal with anticorrosive hard tungsten titanium material to enable safe more than 8000 hours of continuous operation. 40YW15-30-2.2 submerged sewage pump | non-clogging sewage pump submerged by Anguo Shi Yuan Pump Company. Anguo Shi Yuan Pump Co., Ltd. (www.shiyuanbeng.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 you hand pumps and stone yuan into the brilliant, for a better future!