Electro submersible multistage borehole pumps, with radial or semi-axial in cast iron, bronze impellers or norly, pump casings in cast iron shaft in Stainless Steel with rubber bearings. Close coupled sumersible motors are to NEMA stan-dards.

Submersible multistage borehole pumps, with radial or semi-axial impellers, diffusers in noryl, ceramic-rubber bearings self lubricated by pumped liquid, external shell and pump shaft in stainless steel. Discharge casing incorporates a non return valve. Motor couplings according to Nema standard.