Construction: Single-impeller submersible pumps in chrome-nickel stainless steel, with vertical delivery port. GXR: with open impeller. GXV: with free-flow (vortex) impeller. Motor cooled by the pumped water passing between the motor jacket and the external jacket. Double shaft seal with oil chamber. Minimum dimension and high levels of performance, for use in many different applications, head up to 12,7 m and flow rates up to 220 liters/min.