Frequently Asked Questions

Simply put, it is the sum of the pressure required to use the pump and the pressure drops in the system (I.e H = h1 +h2 + pressure across). (Click here to view the illustration)

Head is a unit of pressure measured in meters / feet. The pressure of water can be measured by the vertical column the water will take when put in an enclosed unit

• The capacity Q is the volume of moved liquid delivered by a pump in the time unit. And usually is measured in:
• litres per second (l/s);
• litres per minute (l/min);
• cubic meters per hour (m3/h);
• Imperial gallons per minute (Imp.gpm) or
• US gallons per minute ( US gpm).
• It reduces if the pump works in a cavitation situation

A well is a boring into the ground, usually achieved by manual extraction / digging of soil, and is usually wider than a borehole in diameter. A borehole is a boring into the ground, achieved by machine extraction (drilling) of soil, and usually has a smaller diameter and can be substantially deeper.

The company does not and has not at any time drilled boreholes and chooses to concentrate in the supply and installation of borehole pumps and related accessories

No. We only sell new equipment supplied to us by specific qualified suppliers and therefore do not buy second hand equipment.

Yes we do. All our standard equipment are covered under our standard terms of warranty

You would need a minimum initial capital for fast moving products in our range, within your locality. Contact us for details.

Yes our prices are standard but may vary from country to country.

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Yes all our product are supported by spare parts and product support.

We have well equipped workshops to service and repair the range of equipment offered by us.

Yes all our repairs works are covered under our standard terms of warranty for equipment repairs.

At a D&S branch.

Yes. Contact us for details and pricing.