Logo Made in Germany SIWW 2016

Otto Graf GmbH

Booth number: B2-K06

About us

For more than 50 years, the GRAF brand has represented high-quality plastic products. Over five decades, the company founded in 1962 that initially sold plastic containers and has grown to become the European market leader in rainwater harvesting. Today, GRAF has a workforce of over 370 employees – with approx. 240 based in Germany – and achieves a turnover of over €80 million. GRAF products are exported to more than 60 countries around the world.

Products and services

Underground rainwater harvesting systems from GRAF are make ecological and economic sense. Up to 50 % of drinking water can be saved, preserving groundwater reserves and taking the strain off wastewater treatment systems. As more and more ground is sealed with buildings, car parks and roads, the sewer system is having to work harder and the risk of flooding increases. GRAF infiltration systems are here to help. They make sense both ecologically and economically because they take the strain off the sewer network and save surface water drainage charges. GRAF wastewater tanks represent the state of the art. KLARO, our long-term wastewater treatment technology partner, has been part of the GRAF Group since 2014. When you buy a small wastewater treatment system from GRAF, you therefore benefit from the quality and expertise of two established brands in local wastewater disposal.
Carat S underground tank

Carat S underground tank

The new tank generation of Carat rain-water underground tanks have been specially developed for rain-water harvesting. Easy to transport due to low weight and encircling H profile.

EcoBloc maxx

EcoBloc maxx

Stormwater management system with various applications: Rainwater infiltration, Stormwater attenuation, Rainwater harvesting, 40 tons/HS-20, 410 m³ (14.480 ft³)/Truck

SBR wastewater treatment system Klaro E Professional

SBR wastewater treatment system Klaro E Professional

Fully biological SBR lifting technology


Otto Graf GmbH
Carl-Zeiss-Str. 2–6
79331 Teningen

Phone: +49 7641 5890
Fax: +49 7641 58950

Julia Reisch
Phone: +49 7641 589984

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Duktus Rohrsysteme Wetzlar GmbH
Booth number: B2-J10