... maintenance.It has many protective system,such as leakage of water and electricity,over load and automation installationdevice.Capacity range Q ... agriculture,architecture,environment protection andindustry,such as drainage slurry,waste water,dung,which contained long fibre,wastepaper,sand,and soon.It ... ,the depth of the pump under water must be less than 5 meters,Type (m3/h) (m) (mm) (kw) (v) (r/min ...