• Check out our retrofit capabilities, Davco brand retrofit and upgrade programs save you time and money on your worn out, over-extended-in-capacity treatment facility that is costing you too much money to maintain.
  
  
• Need enhanced nutrient removal?  The NxClear™ and ASTRASAND™ filtration systems can reduce nitrogen and phosphorus to below current regulated standards.  These filters are perfect solutions for the Chesapeake Bay Initiative.
  
  
• Siemens introduces NxClear™ denitrification filters, and has a brand new product brochure.  Be sure to check it out on the NxClear product page.
  

• Biological Treatment
  Field Erected Treatment Plant
• Filtration Equipment
  ASTRASAND™ Continuous Backwash Filter
  Gravisand® Traveling Bridge Filter
  Forty-X™ Disc Filter
  NxClear™ Denitrification Filter
• Liquid Solids Separation
  Conventional Clarifier-Field Erected and Modular
  Parallel Plate Separator
  Dissolved Air Flotation
• Screw Pumps
  Internalift® Screw Pumps
  Zimpro™ Screw Pumps
• Retrofit Capabilities and Services

ASTRASAND is a trademark of Paques bv of the Netherlands.