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Wastewater pump cuts carbon footprint

08-03-2012
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in 
Green machines … Gorman-Rupp Ultra V Series pumps

Hydro Innovations, the Australian distributors for Gorman-Rupp pumps, say the new Ultra V Series of wastewater and sewage pumps can reduce the carbon footprint of a standard pump installation.

They say the new series up to 20.6 per cent more efficient than industry “standard” self-priming centrifugal wastewater pumps performing similar duties.

Because the pumps are more efficient than other designs, smaller motors are often used, says Hydro Innovations spokesperson Garry Grant.

This means less energy is needed at the duty point in all cases, reducing energy costs and the carbon footprint (CF) for any application.

The more this style of pump is used (compared to conventional submersible pumps), the greater the carbon footprint gap becomes, Mr Grant says.

“When operators use submersible pumps, they are faced with having to replace wear-rings to maintain peak efficiency, he says.

To do this, they need to remove wet well lids, employ an electric crane or winch (adding to energy costs and carbon footprint), clean down a pump dripping with sewage (usually a pressure cleaner – again adding to costs and CF).

It is then send to the workshop for a wear-ring change (often by vehicle – adding to cost and CF).

“This is of course, not an easy task, so pumps are generally left for as long as possible between wear-ring changes, Mr Grant says.

“This is the hidden cost. As the wear-rings wear, the pump is losing efficiency and operating for more hours during the day (again adding to costs and CF). Further to this, as wear-ring clearances open up, pumps block more often, needing operators to lift them up, clean them and remove the blockage (again adding to cost and CF).”

Mr Grant says the Gorman-Rupp Ultra V series alternative clearance adjustment is done externally, without needing to open the pump, without disconnecting the drive and without removing the pump from the piping.

“Clearances can be adjusted by one person with two small spanners, in under five minutes, he says.

“There is no crane or winch, no cleaning device and no transportation vehicle.”

Mr Grant says if this process occurs several times a year at multiple installations the cost savings would be significant.

“And the carbon footprint gap between the two systems would also be quite large,” he says.

Hydro Innovations
Ph: 02 9647 2700
www.hydroinnovations.com.au

 

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