These motors are for dependable operation in 4'' diameter or larger water wells, continuing working in 33;Rotation direction:counter-vlockwise facing to axix when single-phase;motor reversal when three-phase ;

anti-corrosion;stainless steel,splendid shaft;Hemetically-sealed windings;Anti-track selt-healing resin system;Filter check valve;water lubrication;pressure-equalizing diaphragm;Removable water bloc lead;self-adjusting thrust bearing