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Dissolved Air Flotation Units for Fats, Oil, and Grease Removal in Wastewater

Davco dissolved air flotation (DAF) systems separate and remove suspended and colloidal solids, as well as fats, oil, and grease from liquid. Davco circular DAF systems offer many distinct advantages over rectangular systems.

Davco DAF systems are available as packaged, modular, or field-erected units.  Packaged and modular units are available from 8 feet to 20 feet in diameter.  Field erected units are available up to 40 feet in diameter.

Our standard DAF systems are fabricated of A-36 steel with wetted surfaces coated with coal tar epoxy.  If a customer prefers, stainless steel is also available.  All of the DAF components are ASME designed, manufactured, and installed by Davco Products’ experts, providing the Customer with true, single source responsibility.

Davco DAF systems are perfect for industrial markets such as

  • Food processing
  • Refining
  • Metals
  • Mining
  • Pulp and paper
  • Chemicals
  • Tanning

These DAF units are also used in municipal applications as a sludge thickener.

Features and Benefits

  • Minimizes maintenance due to fewer moving parts, no submerged bearings, sprockets, or chains.
  • Incorporates a flexible nozzle orientation.
  • Lowers installation costs.
  • Separates more efficiently due to varying velocity through the tank.
  • Offers rapid mix, flocculation, chemical feed, and float holding tank options.

Product Documentation


Circular DAF


Contact Us

Davco Products
Greg Stinson
Application Engineer
229.227.8766
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Parts & Services

Please contact our Customer Service department at 1.800.841.1550 for information on our parts and services for dissolved air flotation units.

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