Please see a selection of case studies and white papers below.
For additional USA case studies, please see our North American website: www.deragger.com/case-studies/
WRc DERAGGER Trial Report - INTERNATIONAL
WRc (Water Research Centre) recently completed a mass trial of the DERAGGER in collaboration with two UK utility companies. You can see the results and read the full report at the link below:
Sunny Brow, Crook (Northumbrian Water) - UK
Since installing the DERAGGER:
- DERAGGER automatically dealt with all ragging incidents
- Weekly visits were scaled back as no longer required
- Estimated cost saving of £12,000 per year
The Fens, Hartlepool (Northumbrian Water) - UK
Since installing the DERAGGER, this low blocking site has seen:
- Significant decrease in Total and Average Pump Run Time
- Efficiency savings of 20% and 9% in Runtime/kWh
- Much more stable current traces, which will result in extended asset life.
Thirwall Drive, Fordham (Anglian Water) - UK
Since installing the DERAGGER:
- Zero blockage trips since DERAGGER was installed
- 28% INCREASE in Minutes Pumped per KwH
- 37% REDUCTION in Daily Average Power.
City of Palestine, Texas - USA
- $100,000 cost saving in first EIGHT months!
- Clogged average 21 times per month, now down to zero.
- Received lots of press coverage including on TV – click here for more.
See PDF case study below.
Palestine has been featured in various press coverage, including on local television. Click to view articles.
Half Moon Bay, California - USA
- 19% energy savings, with PG&E bills down $500 per month.
- Complete reduction in ragging, saving $735 per month.
- Annual Saving projected by the Authority at $14,820.
This case study is also featured in WEF‘s WE&T Magazine. Click here to view the article.
Annfield (Scottish Water) - UK
Since installing the DERAGGER:
- Reduction in callouts to attend choked pumps
- Reduced the power consumption and power costs by more than 20%
Burnside (Scottish Water) - UK
Since installing the DERAGGER:
- No longer suffers from any major blocking incidents
- Reduction in operational costs from reduced manually lifting and cleaning.
- Average energy saving of 46.8%.
Chesterfield, Virginia - USA
- Pumps used to rag every two days, now 100% ELIMINATED.
- 14.9% energy saving.
- 15.9% run time reduction, down by 250hrs per week.
- Flow rate increase from 750 gal/min to 1250 gal/min.
- “…this product should be flying off your shelves!”
Read more in PDF below.
Ross Point (Scottish Water) - UK
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.
Strontian (Scottish Water) - UK
- No ragging issues.
- Ended expensive reactive callouts due to ragging at this isolated and difficult to reach site.
Lake Worth (City of Lake Worth) - USA
Since installing the DERAGGER II (June 2014):
- No ragging issues since installation
- Increased flow rates
Western Avenue (Los Angeles County Sanitation Districts) - USA
Since installing the DERAGGER II (Nov. 2013):
- No ragging issues.
- Reduction in electricity consumption by 4.5%.