DEWACO Ltd was established in 1986, and is primarily engaged in global enivronmental issues, assisting customers to play an active and contributory role in the war against environment related products. With this goal in view, DEWACO gives foremost priority in designing and manufacturing a variety of sludge treatment equipment for both municipal and industrial utility.


Service Engineers Limited is proud to be DEWACO's exclusive agent in New Zealand.

For more information on DEWACO products please see brochures below or visit www.dewaco.fi


Overview - Case Studies

  • Eltham WTP Upgrade
    • Project:Eltham WTP Upgrade
    • Client:Taranaki District Council
    • Year:2013
    • The contract was for the upgrade of the Eltham Water Treatment Plant to comply with Drinking Water Standards of New Zealand 2005.   The upgrade, partly, involved installing a new clarifier upstream of the filters and other upgrade works to the
  • Kerepihi WTP upgrade
    • Project:Kerepihi WTP upgrade
    • Client:Hauraki District Council
    • Year:2012
    • SEL was subcontracted by Brian Perry Civil to undertake work at the Kerepehi Water Treatment Plant.  This contract was for the supply and installation of valves, Hambaker NZ Penstocks, Dewa scraper systems and the fabrication and installation of the associated

Overview - Gallery