Crocodile WQDm-550 Submersible Drainage Pump (Pompa Air) Perfirmance Rance         -Flowrate to 120 l/min (7.2 m3/h)         -Dynamic head up to 7 min                Operating Limit         -Maximum operating depth 2m below water level          -Maximum fluid temperature +400c        Structural Characteristics    ● Stainless steel Delivery Body    ● Stainless steel Base    ● Technopolyner open impeller    ● Stainless steel Motor Shaft    ● Carbon/alumina Mechanical Seal    ● Sealed induction Motor designed for continues duty, The thermal cutout relay (motor protector) is incorprated. Insulated Class B     Pump Model Power Qm3/h 0 1.8 3 . 0 4.5 6.6 9 . 0 13.2 15 . 0 21 . 0 Single phase KW HP L/min 0 30 50 75 110 150 220 250 350 WQDm-400 0.45 0.55   8 7 6 4 1         WQDm-550 0.75 0.85 H 10 9 8.5 7.5 6.5 5 2     WQDm-750 0.55 0.75 M 12 12 11 9 3