... waterworks,pump station,firefighting system water pumpOTK65-270A Q=83m3/h head=195m speed=2900rpm ... 275mm, flange inlet=100mm,flange outlet=65mmOTK65-270A Q=103m3/h head=183m speed=2900rpm efficiency ... 275mm, flange inlet=100mm,flange outlet=65mmOTK65-270A Q=124m3/h head=158m speed=2900rpm efficiency ... =275mm, flange inlet=100mm,flange outlet=65mmOTK65-270A Q=78m3/h head=167m speed=2900rpm efficiency ...