... curve F, IP68 motor Easy installation and maintenance Long service life Specifications Model:QJB2.2/8-320/3-740C/S Motor ... at the cable out-coming place, good sealing and corrosion prevention;2. The impeller is designed with a unique anti- ... IP68, and, with imported bearing, it is made more reliable and safer;4. Compact structure, easy installation and overhaul, simple operation and long duration ...