1. OUTLINE
It consists of the submersible motor and the submersible pump. It is widely used in hydraulic engineering facility, for example irrigation on farmland, draining water in industry and mining enterprise, architectural engineering precipitation, also in cooling system of river, reservoir, eruptive fountain, hot spring bathing place, and so on. Its main characteristic is that the combination of pump and electrical machinery, working in the deep water, easy to use, repairs, with great efficiency, also safe and reliable

2. USE CONDITION
2.1 Power source: 380v three alternating currents, 50 Hz
2.2 Water qualities
(1) Not above 25 C (85 C for the type of heat-resisting)
(2) Shot contents (mass ratio) not above 0.01%
(3) pH 6.5-8.5
(4) Content of hydrogen sulfide not above 1.5mg/L
(5) Chloride ion not above 400mg/L
2.3 The diving electrical machinery must be fully filled with clean water is used in water completely.
2.4 the install depth can not exceed the fixed lift 20%; And require the wall of the well smooth and straight.