MDOZS series ZMR, Motor-driven diaphragm pump-duplex version. Head material: 1.4571, Seal material: AF for ZMR 50…290, ZMR 75/140 & ZMR 115/210 - Hypalon for ZMR 400…980 & ZMR 140/600 - AF/Hypalon for other models. Electrical drive: Three-phase motor 0.55 kW (0.75 kW for ZMR400... 980 & .../980), IP 55, ISO-class F, 380-420V/220-240V, 50 cy