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Water Pump General desription and mian characteristics: QDL series saving energy efficiently water supply pump is designed and made referring to the foreign advanced products. Its impeller, diffuser insert and diversion shell are extruded, stretched and welded forming with stainless steel. It adopts mechanical seal with sclerotic alloy. Its characteristics is small, light, efficient, saving energy, smooth running, long use life, vertical installation, occupying few area of the land and beautiful appearance etc. It is the ideal product which can replace other products. The pump is applicable for boiler water supply, pressure container water supply, hot water cycle, tall buildings water supply, irrigation in farms, fire pressure-increasing, food, brewing, medicine chemical, aquatic breeding, environment protect and machine tool complete sets industries etc. It can be used as power plant to supply water and drain off water. Working condition: 1.It can convey clean water or similar liquids in physical and chemical properties 2.There is no solid particulate matter, no fiber, no corrosiveness and no explosive danger in the coveyed liquids 3.The temperature of the liquid cant be higher than 120 centigrade degree. 4.The working pressure cant be greater than 2 MPa.