Description
Grundfos Unilift AP12.50.11.1 is a vertical single-stage stainless-steel submersible pump with vertical discharge port and integrated enclosed submersible single-phase motor in insulation class F with thermal overload protection. The pump is fitted with a suction strainer. The impeller is a Semi Open impeller for12mm free passage suitable for pumping groundwater, surface water, rain water and similar. The pump has a double shaft seal and an intermediate oil chamber pre-filled with non-toxic special oil. The pump has a riser pipe, a cooling jacket for continuous cooling of the motor by the pumped liquid and long-life deep-groove greased-for-life ball bearings. The pump is ready for use as it is fitted with carrying handle and is supplied with a 10 meter mains cable. The mains cable is of the plug type with glass sealing compound in the socket to prevent penetration of humidity into the stator windings