Calpeda NR Close coupled single-impeller centrifugal pump in electric moter with extended shaft directly connected to the pump. Pump casing with suction and delivery connections with the same diameter and on the same axis (in-line). Connections: Flanges PN 10, EN 1092-2. 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 plants. - For civil and industrial applications. - For fire fighting applications. - For irrigation. Operating conditions Liquid temperature from -10 °C to +100 °C. Ambient temperature up to 40° C. Maximum permissible working pressure up to 10 bar Continuous duty. Motor 4-pole induction motor, 50 Hz (n = 1450 rpm). NR: three-phase 230/400 V ± 10% NRM: single-phase 230 ± 10% Vwith thermal protector. Capacitor inside the terminal box. 2-pole induction motor, 50 Hz (n = 2900 rpm). NR: three-phase 230/400 V ± 10% NRM: single-phase 230 ± 10% Vwith thermal protector. Capacitor inside the terminal box. Insulation class F. Protection IP 54.