... efficiency=74% shaft power=59.6kw motor power=90kw,NPSHr=3.8m, Nominal dia=275mm, flange inlet=100mm,flange outlet=65mmOTK65-270A ... efficiency=73% shaft power=48.6kw motor power=75kw,NPSHr=3.3m, Nominal dia=255mm, flange inlet=100mm,flange outlet=65mmOTK65 ...