Operating Conditions:
1.Water temperature is not higher than 40ºC.
2.Volume ratio of sand content or undeserved solid grains in water is not more than 0.1%, the size is not bigger than 0.2mm.
3.Water is non-corrosive and its PH value is among 6.5-8, such as clean water or water from well, river, lake etc.

Applications and Features:

Applications:The model QDNB single phase submersible motor pump is a small electrical drainage and irrigation machine, which comprises a single phase asynchronous motor and a centrifugal pump built into one compact unit. This model finds its application in small area drainage and irrigation installations in farms, industrial and mining enterprises, construction sites, hotels, sanatorium, villas, homes etc. Compact construction with close coupled motor and pump. Bottom suction design, compactness and lightness ensure portability. Single phase power requirement promises wide use, good performance achieved through reasonable design. Provided with mechanical seal and electrical protection. It has a good looking, and is reliable and safe.