Screw / mono pump. Stator diameter: 100 mm. Rotor diameter 35 mm. Rotor length 450 mm. 4 Windings. Current motor: 1,5 kW - n1 1420 rpm - n2 = pump speed 50 rpm. Stainless steel cover over electric motor. Frame mounted, housing for by-pass valve (actuator missing), flow transmitter between flanges (unknown brand). Connections: 2'' DIN/2,5'' SMS.