ap50 50 11 3 v 92543558Grundfos AP50 submersible pumps are a range of Vortex and single channel (1 channel) impeller pumps designed for transferring drainage or wastewater. Due to the 50 mm spherical clearances, they are suitable for pumping liquids containing larger solids, such as fibres and textiles. They are used for various applications in public and private sector, trade and industry. The compact design makes the pumps suitable for both temporary and permanent