CALPEDA Single and twin impeller centrifugal pumps NM 50/ 12 AE 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 Specification Type NM : NM 50/ 12 AE P‚ Kw : 4 Hp : 5.5 Q mŸ / h : Hm 30 : 23.5 33 : 23 37.5 : 22.5 42 : 22 48 : 20.5 54 : 19* 60 : 17.5* 66 : 15*