Logo Made in Germany IE EXPO 2018

Otto Graf GmbH

Booth number: E2-2202

About us

GRAF manufactures and markets an extensive range of products for local wastewater disposal, rainwater infiltration and retention, rainwater harvesting, grease and light liquid separators.

The European market leader has over 50 years’ experience in these areas. It focuses on sustainable water management, the avoidance of environmental pollution and has a responsible attitude towards people and nature.

Over 200 industrial property rights applications and numerous awards bear witness to GRAF’s achievements as an operator of innovation in rainwater management. The company’s core competencies in manufacturing, logistics and design form the basis of a wide range of eco-friendly products made from recycled materials.

All products manufactured by GRAF have a high quality standard and are proven by various testing institutes as TÜV, PLUS X award and BBA. GRAF sells its products in more than 70 countries worldwide. Its high class manufacturing plants are ISO 9001 and ISO 500001 certified.

Products and services

The GRAF SBR small wastewater treatment systems - no need for any live parts in the tank: Small wastewater systems from GRAF can be flexibly adapted to meet stricter discharge values in water protection areas.

Options such as the external control cabinet, convenience package or cover suitable for vehicle loading allow the systems to be adapted to your individual needs. Everything comes with DIBt approval. GRAF wastewater treatment plants achieve a cleaning performance of up to 99%.

Rainwater infiltration retains the natural cycle: Local rainwater infiltration is often required by law. GRAF stormwater management systems are suitable for various applications as rainwater infiltration, stormwater attenuation and rainwater harvesting.

All GRAF products are usable for the "Sponge City Program" of China national government.

SBR wastewater treatment system Klaro E Professional

SBR wastewater treatment system Klaro E Professional

The GRAF SBR wastewater treatment system Klaro E Professional works according to the principle of SBR lifting technology. No live parts need to be installed in the tank. All movement processes are performed by three air lift pumps, which are operated using a compressor. The compressor also provides the plate ventilator on the bottom of the SBR reservoir with air.

EcoBloc Inspect flex

EcoBloc Inspect flex

GRAF EcoBloc Inspect flex modules for rainwater infiltration, retention or rainwater harvesting are easy to transport and install. The modular system structure requires few accessories. The system size and loadbearing can be adjusted individually to suit requirements of traffic and non-traffic areas. The standard inspection channel allows the entire infiltration system to be effectively monitored. Built to offer double safety, the EcoBloc Inspect is designed for a service life of over 50 years.


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

Phone: +49 7641 589824
Fax: +49 7641 58955824

Haiying Feng
Business Development Manager
Phone: +86 25 85725561

Graf China Environmental (Nanjing) Co., Ltd.
Jinma Lu 3, Maqun Science Park, Qixia District
210049 Nanjing
P.R. China

Phone: +86 25 85725561

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