Qj submersible pumps parameters: Flow range10~500m3/h, lift scope within 5~405m; Caliber scope 32~203mm, temperature range-15~80° c. Products overview: Qj series submersible pumps widely used in farmland irrigation, spray irrigation and water-use, industrial and civil buildings, also the drainage system to level hills, mountain diversion and in low-lying areas dunes, urban and rural mining supply, drainage and other water conservancy facilities. Characteristics are that they are assembled into a simple structure they have installation convenience a small footprint, simple maintenance and a safe reliable operation. Product use conditions: Qj submersible pumps use conditions 1. 380 v bias voltage does not exceed + -5% and 50 hz frequency, and the deviation is not more than + -1% of the three-phase power supply. 2. Electrical cavity must be filled with water. 3. The first-class pump impeller should at least go into the dynamic water level 2 m below surface. Static pump unit immersed under water shall not be greater than 70 m. 4. Electrical from the bottom of the bottom of the well shall be not less than 3 m. 5. The water temperature no higher than 20 ° c, qjr-temperature hot water pump up to 80 ° c. 6. Water and sand content (by mass) of not more than 0.01%. 7. Water ph 6.5-8.5. 8. The hydrogen sulfide in water content is not more than 1.5 mg / l.