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Filtration Chamber

Decentralised, efficient, low-maintenance removal of pollutants from rain water

The Funke Filtration Chamber is manufactured monolithically from a Funke DN 1000 Profile Pipe. The chamber’s main components include a tangential inlet, a vertical spiral lamella structure, a flow separator, a filter unit and a circumferential fully slotted drainage pipe. The Funke Filtration Chamber is suitable for a catchment area of up to 600 m² (DIBt/German Institute for Building Technology). Including its cover slab, the system has a total height of 3.2 m. The height offset between inlet and outlet is approx. 1.0 m; the outlet depth is at approx. 2.0 m. The filter unit consists of D-Rainclean® filter media. The rainwater is diverted using a circumferential fully slotted drainage pipe held inside a gravel sleeve.

Pollutants are retained

As the storm water runoff water passes through the Filtration Chamber, more than 90% of the sediment as well as both dissolved and undissolved pollutants are retained within the chamber’s different filtering sections. The result: The storm water runoff coming out of the chamber is compliant with the inspection requirements of Germany’s Federal Soil Protection Ordinance (BBodSchV) and may drain into the ground water.

The advantages in practice:

  • Robust, sturdy and long-lasting
  • Lightweight design
  • Easy inspection and maintenance
  • High efficiency levels

Technical Data

Product name: Funke Filtration Chamber
Nominal diameter connection: DN/OD 160 or 200
Colour: Grey / blue
Installation guideline: DIN EN 1610, DWA-A 139
Total height: Approx. 3.0 m plus  concrete cover plate and chamber cover
Height offset inlet/outlet: ca. 1.0-1.2 m (distance top edge – spiral lamella to inlet level of outlet pipe)
Inlet depths: Minimum 0.8 m
Nominal diameter: DN 1000
Material: uPVC, special filter mixture
Area of use: Treatment of polluted storm water runoff before this is released to ground water (percolation) or surface / receiving waters (rivers, lakes etc.).
Functional principle: Retention of FAS (filterable substances) through improved sedimentation and filtration, as well as of dissolved pollutants (petroleum hydrocarbons, heavy metals, etc.) through adsorption and precipitation.
Scope of delivery: Chamber element, 300 litre of D-Rainclean® filter media, 100 litre filter gravel
  • Concrete cover slab DN 1000/625  for the combination with a standard cover slab DN 625 (Germany) – (not included in the delivery)
  • Special lifting belt for chamber installation
  • Levelling tool for professional installation of the concrete cover slab
Catchment area: Up to 600 m²
Approval/Standard: DIBt-Approval Z-84.2-19


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Funke Filtration Chamber Brochure

For more information or to purchase this product, please contact our Sales Office on 01722 717708 or our Technical Sales Manager, Dave Williams:

 07392 080611

 01722 717708