... 3. Good anticorrosion etc BWT flow propeller drawingOperating Modes of Submersible flow propellerBWT flow propeller feature:1,BWT flow ... water circulation etc.. The low-speed flow propeller consists of submersible motor, speed-reducing device, blades, and installation ... (1100-3000mm),lowspeed rotation, production of large-volume flow field and wide scope of service. The sweptback, banana-shaped blades ...