Grundfos SQ 3" Borehole Pumps

Grundfos SQ 3” borehole pumps are commonly used for the pumping of water from smaller boreholes and wells for water supply, irrigation, pressure boosting and lowering groundwater levels. Their compact diameter enables these submersible borehole water pumps to be used in 3inch boreholes, or 4inch that have reduced in size due to ochre deposits.

The SQ Grundfos borehole pumps offer higher performance than other 3” models on the market, with similar flow rate and pressure capabilities to 4” borehole pumps. With their AISI 304 Stainless Steel construction and floating impellers, these Grundfos pumps are constructed to withstand corrosion and offer a reliable service, whilst handling sand content up to a maximum of 50g/m3.

These submersible borehole water pumps are equipped with highly efficient permanent magnet motors with built-in frequency converter with soft start. Soft start reduces the starting current which gives the pump a smooth and steady acceleration, minimising the risk of wear on the pump and prevents overloading of the mains. Also equipped with dry run and under/overload protection, this Grundfos borehole pump range will cut out in the event of lack of water or an unstable voltage supply to prevent motor burnout.

Grundfos SQ Specifications:
►Maximum sand content: 50g/m3
►Maximum liquid temperature: 40°C
►Flow rates up to 150lpm (largest flow model)
►Head up to 237m (highest pressure model)
►Designed for 3inch boreholes
►Dry run protection
►Under/overload protection
►Frequency converter with soft start
►Stainless steel casing for anti-corrosion
►230V permanent magnet motor with high efficiency

As a longstanding Grundfos pump supplier, Whisper Pumps are highly experienced in all models. If you are unsure on the borehole water pump model you require, please contact our technical sales team today on 01777 871100 for free, expert advice.