Mechanical Technology December 2015

⎪ Pump systems, pipes, valves and seals ⎪

Godwin’s CD range (contractor dewatering) is designed for general dewatering at high flows and medium heads. The engine is close-coupled to pump, so there are no alignment issues when it comes to maintenance.

The Heidra’s submersible pump head features a hydraulically activated slurry gate that can open in the event of clogging.

FST, through satellite-based connectivity, enables sophisticated automation to be applied in the most remote areas of Africa. on and off remotely, vary the pump speed and to monitor the condition of the unit so that we can send in service technicians as soon as we begin to detect problems,” Stimpson reveals, while demonstrating a unit being controlled from an App on a phone. “FST enables sophisticated automa- tion to be applied in the most remote areas of Africa, accurately tracking the suction and discharge pressures to get a clear idea of how the pump is being used, whether a strainer has becomes blocked and how much fuel is left in the tank,” he says. While sophisticated, FST technology is seen as an ideal solution for protecting the assets of Xylem’s new rental hub as they spread across Africa. q

Xylem’s Godwin Heidra pumps are hydraulic submersibles for use when suction lift of greater than 8.5 m is required. On these units, a diesel engine is used to drive a hydraulic power pack, which delivers biodegradable oil via hoses to a hydraulic submersible pump on the pond floor.

“These pumps also have a slurry gate that can open in the event of clogging, allowing some back flow to clear any inlet blockages and to churn up sediment on the pond floor,” Stimpson says. Field Smart Technology (FST) Xylem is currently rolling out its Field Smart Technology (FST) across Africa. FST combines communication and con- trol technology to allow any pump, anywhere to be remotely monitored and controlled: “Satellite-based FST allows our pumps to be monitored from any smartphone, tablet or computer, so we can access the engine performance, the pump performance parameters, the fuel levels and the pump’s location – to within 2.0 m. It allows us to switch the pump

lift of greater than 8.5 m is required, then submersibles take over from the Dri-Prime range,” Stimpson explains. On these units, a diesel engine is used to drive a hydraulic power pack, which delivers biodegradable oil via hoses to a hydraulic submersible pump on the pond floor. “So no electricity is involved at all, which can be an advantage in some sensitive areas,” he explains. The Godwin Heidra 150MR hydraulic submersible pump is a powerful, yet compact, pump with flow capabilities up to 301 m³/hr and discharge heads of up to 35 m. It has the ability to handle solids up to 75 mm in diameter and, even though it is a submersible, liquid bath mechanical seal technology is used to ensure dry running capabilities.

Mechanical Technology — December 2015

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