Solar Pump from Moyno Makes the Most of Water Resources in Africa

A farming community in Africa is now able to irrigate its crops on a reliable year-round basis, thanks to a solar pumping solution from Moyno. The Sun-Sub™ submersible pump system is located on the banks of the Mereb River in Eritrea, where the community now has greatly improved access to water.

Working with the team at Visual Direct International, a leading provider of energy management products and systems, the Moyno Sun-Sub pumping system was fitted with a stationary array. This enables it to draw some 100m3 of water per day from the 7.3m deep well, and pump it over 228 metres to a concrete surface reservoir. This can hold up to 4 days supply, ensuring that the farmers always have water to irrigate their Citrus trees. The Sun-Sub can operate at speeds of 1800-2400 rpm, and is powered by 2,400W of solar panels.

“Severe shortages of diesel, and very high prices, mean that conventional pumps are often not an option for irrigation water duties in places like Eritrea,” says Moyno’s Maurice Calderon. “However, Moyno has a very successful track record of providing solar pumps for this type of application. We help farmers cut their costs, and make a reliable source of water a practical and affordable option. This helps them increase production and also generate new sources of income by planting new crops that were not previously viable.”

Moyno’s Sun-Sub submersible pump uses simple, proven technology, and so can be relied on to deliver every time. Available with either a stationary or GPS Tracking array, and with power options ranging from 150 Watts up to 2400 Watts, it can produce very high flows and discharge pressures. It requires no external diesel or electrical power supply, and can easily be configured for automatic operation by the use of float switches, a pressure kit or a built-in electronic control. This allows the Sun-Sub to turn on when water is required, and then turn off once any storage vessels are full, thereby conserving water and reducing wear on the pump.

The Sun-Sub’s progressing cavity pump provides maximum water output, even in bores containing silt or iron oxide. It delivers water with every rotation, while its low speed capability extends rotor and stator life in abrasive bores

All Sun-Sub systems are supplied complete with pre-wired solar modules, array frames, pump element, submersible motor and solar motor controller. This makes them easy to assemble and install, and with all electrical plugs and sockets pre-fitted, no specialist electrical knowledge is required.

For more details on Moyno, call 877.486.6966 or visit


Moyno is a brand of NOV Process and Flow Technologies. It comprises of progressing cavity pumps, grinders, screens and aftermarket replacement parts and services, across a broad spectrum of industrial sectors including water and wastewater, oil and gas, chemical, pulp and paper, food and beverage and agriculture. The company first began manufacturing progressing cavity pumps in 1935 giving it a heritage of over 75 years that is built on world-renowned design, expertise and excellence. The brand has over 1,600 employees and a true global reach. NOV Process and Flow Technologies has facilities around the world including Australia, New Zealand, USA, Mexico, Singapore, China, South Africa , France and UK, which are supported by a large network of international distributor and representative partners.

National Oilwell Varco (NOV)

With its headquarters in Houston, TX USA, National Oilwell Varco has over 170 years’ experience as a leader in the design, manufacture and sale of equipment and components used in oil and gas drilling and production operations, the provision of oilfield services, and supply chain integration services to the oil and gas industry. It has more than 100 subsidiaries and over 63,000 employees at over 1,200 sites around the world, plus annual revenues in excess of $20 billion.







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