Flow Battery Research Collective

@kirk @Slash909uk But one thing not good about these pumps is that they might not work great with really dense solutions, max. density is 1.1-1.3 depending on the model, which is .... not much.

@kirk @Slash909uk Nice! Better than I expected honestly. At the low end of the speed range it sounds a bit unhappy. The thermal protection is only TP111 so it may not be fast enough to save the motor if it is stalled.
If this motor does work out, the manufacturer can make bigger ones and apparently you can choose the wet-side material. http://www.china-haiyi.com/product-48054-173640.html

@kirk This is admittedly on the edge of my expertise, but IIRC inductions motors are speed controlled mostly through the AC frequency. Big industrial induction motors are almost always controlled with VFD drivers (sometimes called inverters), which rectify the input to DC and then use transistors and PWM to synthesize AC output with arbitrary frequency (and usually also arbitrary voltage).

@kirk There are many different kinds of mains AC motors, this one says single-phase capacitor motor. The term capacitor motor makes me think this is some kind of induction motor that requires start and run capacitors. Speed control might be difficult, I am not convinced that induction motors like triac-based AC dimmers.
Perhaps someone else could identify it from its specs but I think we would need pictures from its inside (brushes? permanent magnets?) to tell what kind of motor this is.