Belgian 3'' high speed stainless steel submersible pumps of high quality with large sand resistance. The pump part is made entirely of stainless steel-AISI/304. Suitable for pumping pure and slightly sandy water up to 150gr/m³. These WPS well pumps meet the new MEI standards in terms of efficiency. Monophase with built-in check valve, with flows up to a maximum of 4m³/h. The pump is equipped with a monophase 230V motor, due to the built-in frequency converter the pump runs at a constant speed of 8200 rpm (140Hz). The pump has a built-in soft starter and dry run protection. This pump is protected against overload and overheating and against lightning strikes. Prices complete with motor.