
Environmentally Friendly Fuel Installations
Modular S pumps for containerised fuel units.


DESMI distributor in Southern Africa, Pumptec, has had a great deal of success in supplying Modular S pumps for containerized fuel units.
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The units are usually built with dimensions of standard freight containers, which allow them to be easily transported by road, rail or even ships to where they are needed.
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There are various designs available, but in general they usually consist of a tank section (to store the fuel in) and a compartment to house the pump, meters, valves etc.
Because they are self-contained, any spills are retained in the container and will not contaminate the ground on which it is standing. The containers usually have two pumps, one for offloading from a tanker for storage inside the container, and another for pumping the fuel into trucks etc. For standardization purposes, both are usually the DESMI Modular S pumps.

The DESMI Modular S pump was selected because experience had shown that it is advisable to use a self-priming pump for the transfer of fuel from road tankers to storage, due to the amount of air experienced at the beginning (when hoses are empty) and the end of a load (when the tanker is sucked “dry”). In addition, the larger models (Modular S70 and above) have flanged connections, which is preferred. “The DESMI Modular S pumps have proved themselves to be reliable and easy to maintain because there are no adjustments or shims required to set internal clearances.
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Lastly, the reasonable pricing, large flow/head range and short delivery time have given us an edge over the competition” says Alan Bullock, Pumptec South Africa.
“There are a number of manufacturers of these units in South Africa, but the reliability of the Modular S pumps has resulted in their being the most popular choice for all the local manufacturers.”.
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More than just a standard pump!
The Modular S pumps themselves are standard. However, two small changes have been made:
- Mechanical seal is upgraded to carbon/tungsten carbide with Viton elastomer
- The flaps are removed from the pumps when there is a flooded suction.
