The Grundfos Unilift AP12 is a vertical single-stage stainless steel submersible pump with vertical discharge port and integrated submersible 1-phase or 3-phase totally enclosed motor in insulation class F with thermal overload protection.
The pump is fitted with a suction strainer and has an option for a level switch for automatic start and stop.
The impeller is a SEMI OPEN impeller for 12 mm 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 m 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.