Product introduction： 1. The Submersible Pump is mainly used for irrigation and livestock water system, also for city, factory, railways, mining, water supply and drainage construction site. 2. QJ high flow rate centrifugal pump vertical multistage submersible pump is simple structure, easy installation, convenient operation and maintenance. 3. Pump is equipped with inner motor, and special designed for whole submerge work. (Electrical machine and pump wok as a whole, it's safe very much.) 4. It is suitable to transport water for extraction of deep groundwater, can also be used in deep well, rivers, reservoirs and ditch water projects. 5. Stainless steel submersible pump for models less than DN100mm(4inch) and cast iron pumps for models with larger diameter. 6.No special requirements for the well casing and lifting pipe. (It can work in Steel tubular well, lime well, earth well etc. Within the reasonable pressure range, steel tube, rubber tube and plastic hose can be used as lifting pipe.) 7.Easy to install, operate and maintain, less space demand, no pump house needed
150 QJ series---175QJ series---200QJ series---250QJ series---300QJ series----400QJ series
(1). 380V voltage deviation is no more than ±5%,frequency is 50HZ, three -phase power deviation is no more than ±1%. (2). Motor cavity must be filled with water. (3). The first stage impeller of the pump should be more than 2mm below the moving water surface, pump unit should be less than 70m below the static water level. (4). The distance from the motor bottom to well bottom must be more than 3m. (5). Water temperature should be no more than 20°C. (6). Sand content of the water ( by mass) should be no more than 0.01%. (7). PH value of water 6.5-8.5.
(8). Hydrogen sulfide content of the water should be no more than 1.5mg/L. (9). Chloride ion content of the water should be no more than 400mg/L. (10). Water yield of water source should ensure the requirements of pump continuous working.
1)Q: Are you a factory or a trading company? A: Pump manufacturer. 2)Q: How about your quality? A: We arrange the prodcution quality according to customers' request. 3)Q: What are your payment terms? A: 30% payment bu T/T in advance, the rest when the goods finished. 4)Q: How about the packing of this model? A: Standard export wooden box. 5)Q: About customers response? A: Always become repeat customers. 6)Q: How about the Quality warranty A: 12 months after receiving.
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