Case Studies
Smithville, MISSOURI
- DERAGGER™+ eliminated the DAILY ragging.
- They run a ‘clean cycle’ around 10 times every day, when they detect rags to stop them being an issue.
- Staff no longer have lift & clean pumps almost every day.
Read more in the PDF below.
View / Download PDFUnion Station, Monroe County, NEW YORK
- DERAGGER™+ proven as better solution than submersible mixer OR sewage grinder!!
- Grinder and Mixer required regular backflushes, but DERAGGER hasn’t needed one since installation.
Read more in the PDF below.
View / Download PDFWRc Independent Trial Results - INTERNATIONAL
WRc (Water Research Centre) recently completed an independently moderated 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:
Click through to read moreCity of Flora, ILLINOIS
- At WEFTEC 2017, won a DERAGGER+ installation which was installed October 2017.
- Have not lifted the lid of the station since then!
- Used to have to lift a few times every month before the DERAGGER+ was installed.
Read more in the PDF below.
View / Download PDFSheridan, ARKANSAS
- DERAGGER™+ eliminated ragging.
- Customer no longer has to constantly replace belts, which was used to be needed up to every three days!
Read more in the PDF below.
View / Download PDFJordan Basin, UTAH
- All ragging stopped, and pumps no longer have to be lifted.
- Estimated 3.5 days per month, and $780 per month saving.
- Plus huge energy savings too!
Read more in the PDF below.
View / Download PDFUnion Township, MICHIGAN
- Side-by-side comparison with self-reversing pump with integrated VFD.
- DERAGGER+ installed along with DERAGGER PRO.
- Elimination of ragging problems.
- “After trialling both…side by side, I prefer the PRO for its functionality, flexibility and great color touchscreen. It also costs a fraction…It’s a no brainer!”
Read more in the PDF below.
View / Download PDFCity of Tawas City, MICHIGAN
- DERAGGER+ installed along with DERAGGER PRO.
- Monthly saving of between $1,200 and $3,600!
- Elimination of ragging problems.
- “We were coming to clean these pumps as often as three times a week, and we haven’t had to clean either a single time since installing the DERAGGERs!”
Read more in the PDF below.
View / Download PDFDERAGGER+ combined with DERAGGER PRO case study.
Greensboro, NORTH CAROLINA
- Installed SIX DERAGGERs.
- 100% reduction in ragging.
- “It was easy to install and has worked amazingly well!”
Read more in the PDF below.
View / Download PDFCity of Palestine, TEXAS
- $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.
Read more in the PDF below.
View / Download PDFPalestine has been featured in various press coverage, including on local television. Click to view articles.
The City of Palestine have also created their own Memorandum about their experience of the DERAGGER, in an effort to encourage other Municipalities to follow-suit. You can read this using the link below.
View / Download PDFCity of Gulf Breeze, FLORIDA
- Pumps not ragged in almost 12 months with the DERAGGER
- Employee safety much improved – no longer exposed regularly to needles / sharps.
- “Since installing the DERAGGER almost a year ago we haven’t had to pull the pumps ever again!”
Read more in the PDF below.
View / Download PDFCity of Missoula, MONTANA
- Pumps used to rag every once or twice per week, now 100% ELIMINATED.
- $1,200 saving per month, or $14,400 per year!
- “I just wish this technology was available sooner!”
Read more in the PDF below.
View / Download PDFChesterfield, VIRGINIA
- 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 the PDF below.
View / Download PDFGreat Falls, MONTANA
- Previously used a channel grinder but REPLACED it with a DERAGGER.
- Kept pump 100% rag free WITHOUT the need for the channel grinder.
- Customer estimated that DERAGGER saved c.$13,000/yr in rebuilding channel grinder.
- Absolute energy savings, with no change in flow rates.
- “We will be purchasing DERAGGER systems for other problem stations in the near future.”
Read more in the PDF below.
View / Download PDFHalf Moon Bay, CALIFORNIA
- Complete reduction in ragging, saving $735 per month.
- 19% energy savings, with PG&E bills down $500 per month.
- Annual Saving projected by the Authority at $14,820.
Read more in the PDF below.
View / Download PDFThis case study is also featured in WEF‘s WE&T Magazine. Click the image below to view the article.
Shady Hills, FLORIDA
- DERAGGER used on a Aeration Basin Mixer
- Complete reduction in ragging, with vibrations measured at 62% down.
- Current and energy costs down 38%.
- Estimated Annual Energy Saving of over $47,000.
Read more in the PDF below.
View / Download PDFMt Juliet, TENNESSEE
- Complete reduction in ragging
- Significant reduction in current (18amp average to approx. 13amps)
- 21% energy savings
Read more in the PDF below.
View / Download PDFCity of Lake Worth, FLORIDA
- No ragging issues since installation in June 2014
- Increased flow rates
Read more in the PDF below.
View / Download PDFWestern Avenue (Los Angeles County), CALIFORNIA
- No ragging issues since installation in November 2013
- Reduction in electricity consumption by 4.5%
Case Studies from outside the USA:
Thirlwall Drive, Fordham (Anglian Water)
Results:
- Complete elimination of ragging since installation.
- 28% INCREASE in Minutes Pumped per KWH
- 37% REDUCTION in Daily Average Power.
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
Download PDFRoss 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
Strontian (Scottish Water)
- No ragging issues
- Ended expensive reactive callouts due to ragging at this isolated and difficult to reach site