Mode RZ-BE-1 Electrical Engine: 5.5 HP; 1500 RPM; 380/660 V; 50 Hz; Protection IP 55; Metal Lined 100%. Suction Lift: 3" Ø Pumping: 2" Ø Installation: RZ-BE-1-E Under fluid level.. RZ-BE-1-R Over fluid level. (look pump despiece) (look installation planes) (See the table of chemical resistances)