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HD-V Range

The HD-V series which is designed with a steep hopper base fitted with a screw conveyor. The V series allows removal of settled solids automatically, without the need to drain the DAF. It is ideal in applications where grit or other substances that do not float are abundant in the wastewater.

The HD-V system is designed with the same inlet mixing system as the standard HD series, however, the unit features steep sloping sides and a screw is installed in the base.

The HD-V units utilise the velocity of the dissolved air recycle stream to thoroughly mix the air microbubbles throughout the incoming influent stream. The recycle stream is introduced into the influent stream at a 45° angle, after which the combined stream enters a hexagonal shaped chamber which promotes mixing. This results in an even distribution of dissolved air throughout incoming influent and ensures that the microbubbles have the best chance to contact incoming solids and any fat, oil and grease.

The conveyor screw is designed to remove any settled solids and sludge out of the system. The screw is designed to move the solids towards the drive end of the HyDAF where either an actuated valve or pump can be fitted, depending on the site requirements.

A stuffing box is used to seal the shaft, this technology is commonly used in marine applications to seal propeller shafts on boats. A packing material (braided gland) is wrapped around the shaft and compressed against the end plate by a packing nut, creating a seal.

Please click on one of the links below for additional information or the tabs for photos, drawings, case studies and brochures:

  • Key Features that make the Hydroflux HyDAF unique – Click Here
  • Sustainable Saturation, the simplest and most efficient saturation system available – Click Here
  • Standard Sizes – Click Here
  • FlooDAF – Designed for Flow rates up to 1ML/hr – Click Here
  • Common Applications – Click Here
  • FAQ’s – Click Here

Technical Details

Please click on the image below for a sample general arrangement drawings


Case Studies

HE Case Study Pond Algae

Removing Algae From Tertiary Treatment Ponds


Click to download DAF brochure

Click to download DAF brochure

Hydroflux® product solutions are fully equipped, ready for operation. This complete offer allows clients to consider the best technical solutions available via the most efficient process