Overview It has many obvious advantage such as compact structure,no overload,high efficiency and energy saving,high reliability,high stability,anti-winding,no clogging,automatic coupling,automatic protection and automatic control,it has unique functions in transporting various kinds of sewage or insoluble solid-phase mixed liquids containing solid particles and sediment. The design,manufacturing and quality of this series of products comply with GB/T24674 Waste submersible motor-pumps standards,CJ/T472 Submersible sewage pump standards,and its efficiency index reaches GB32031 Minimum allowable values of energy efficiency and energy efficiency grades for waste submersible motor-pumps standards. Application This series of products are mainly used to transport various types of sewage,wastewater,rainwater,or other insoluble solid phase mixed liquids containing solid particles, sediment,fiber,and so on. The products are widely used in urban sewage treatment plant drainage system,factory commercial heavily polluted wastewater discharge,residential area sewage drainage,civil air defense system drainage,hospital and hotel sewage drainage,complete auxiliary machinery drainage for hydropower station,auxiliary drainage for water conservancy pump stations,exploration,mining supporting equipment,waterworks water supply equipment, municipal engineering,construction site,subway station drainage and other industries Working condition Outlet diameter:DN100mm-DN900mm Rated voltage:380V or 660V 3KV 6KV 10KV,etc Frequency:50Hz three-phase AC power Medium temperature: 42,density 1200kg/m3 pH value:within the range of 4-10 Volume ratio of solid phase 5% Maximum flow capacity:the diameter of the solid in the medium should not be greater than 80% of the minimum size of the impeller passage Corrosive medium requirements:The products can not be used fro pumping media that are highly corrosive or contain strong abrasive solid particles.