... /h head=183m speed=2900rpm efficiency=75.5% shaft power=68kw motor power=90kw,NPSHr=5.5m, Nominal dia=275mm, flange inlet ... =65mmOTK65-270A Q=124m3/h head=158m speed=2900rpm efficiency=72.5% shaft power=73.6kw motor power=90kw,NPSHr=17m, Nominal ... =65mmOTK65-270A Q=116m3/h head=138m speed=2900rpm efficiency=72.5% shaft power=60.1kw motor power=75kw,NPSHr=15m, Nominal ...