Case Studies

pump station

Lake Worth (City of Lake Worth)

Since installing the DERAGGER II (June 2014):

  • No ragging issues since installation
  • Increased flow rates
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pump station

Western Avenue (Los Angeles County Sanitation Districts)

Since installing the DERAGGER II (Nov. 2013):

  • No ragging issues
  • Reduction in electricity consumption by 4.5%
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pump lifting

Nigg WwWT (Kelda)

Since installing the DERAGGER II (Oct 2013):

Despite the pumps ragging up several times daily prior to DERAGGER install, Nigg has since reported only a single ragging incident (one pump), which was due to a curtain-like material

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control monitors

Ross Point (Scottish Water)

Since installing the DERAGGER II (Apr 2011):

  • No ragging issues since installation
  • 35% reduction of electricity consumption
  • Cost benefit of £8,112 in first year.
  • Payback period of 5 months
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dragger control box

Strontian (Scottish Water)

  • No ragging issues
  • Ended expensive reactive callouts due to ragging at this isolated and difficult to reach site
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