380/420 volts non-flameproof motor. Shaft speed 1420-1500 rpm tachometer 1420-1500 rpm; revolution counter 118-125 rpm. Openings: 1-3" (75mm), 2-2" (50mm), 2-1 1/2" (37mm), 3-1" (25mm).(Clarifier: 2 phase separation of liquid phase and less than 5% solids).