CALPEDA Single and twin impeller centrifugal pumps NM 40/ 20 BE Technical data Construction Close-coupled centrifugal pumps; electric motor with shaft directly connected to the pump. Pump casing with axial suction and radial delivery dimensions and performance according to EN 733. B-NM, B-NMS: bronze version Applications -For clean liquids without abrasives, which are non-aggressive for the pump materials ( solids content up to 0.2% ) . -For water supply. -For heating, air conditioning, cooling and circulation -For civil and industrial applications. -For fire fighting applications. - For irrigation. Specification Type NM : NM 40/ 20 BE P‚ Kw : 5.5 Hp : 7.5 Q mŸ / h : Hm 15 : 51.5 16.8 : 51 18.9 : 50 21 : 49 24 : 48 27 : 46 30 : 43.5 33 : 40.5