Pumps for Supplying Private Houses, Towns and Industry with Water

18.07.2005

With their TWU 3 – 10 series of borehole pumps, the pump specialists Wilo in Dortmund, Germany, offer suitable pumps for drawing groundwater from wells and cisterns.

Pumps for Supplying Private Houses, Towns and Industry with Water

The new Wilo-TWU 3 series extends the TWU 4 - 10 series of borehole pumps with a submersible pump for domestic and garden use (photo: Wilo AG, Dortmund).

The new Wilo-TWU 3 series supplements the existing TWU 4 – 10 series with a borehole pump for use in houses and gardens, such as irrigating gardens or providing water for use in washing machines and for flushing toilets. The fully submersible, multi-stage pump with underwater motor pumps water free of long-fibred or abrasive substances out of boreholes with a diameter of at least three inches. The maximum permissible submersion depth is 60 metres. All pump components which are in contact with the water are corrosion-resistant. The pump has an integrated non-return valve and can be installed vertically or horizontally. The PnP version includes, in addition to a single-phase pump, all hydraulic and electrical accessories needed for professional installation. The electrical system components are pre-wired, ready for installation. The pump is easy to install and operate.

The pump types TWU 4 – 10 are designed for community water supplies, for irrigation, for boosting the supply pressure and for reducing the groundwater level. The pumps for boreholes with a diameter of six inches and more are also suitable for industrial applications. Depending on the size, these pumps with underwater motors and integrated non-return valves are used in boreholes with a maximum submersion depth of 200 to 350 metres and a maximum sand content of 50 g/m3.

The borehole pumps of the TWU 4 series are now available with an optimised lantern which improves the rigidity and the access to the shaft. The new stainless steel lantern is now particularly robust.

The TWU 4 also has a special accessory – the Quick Connect Cable. This cable permits simple and quick extension of the power cable for the motor to a length of up to 100 metres by means of a combined plug/screw connection, without the need to strip down the pump motor.

Source: WILO SE

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