Otto GRAF GmbH Kunststofferzeugnisse

Carl-Zeiss-Str. 2-6
Phone: +49 7641 589-0
Fax: +49 7641 589-50

Managing director: Otto F. Graf, Dipl.Kfm. Otto P. Graf
Trade register: HRB Freiburg 260184
VAT Id no.: DE 141989456
ILN no.: 4023122000006

Liability Clause:

We have taken the utmost care in compiling the contents and information on this website. In spite of this we can accept no liability, on any legal basis whatsoever, for the correctness, current validity and completeness of the contents. We reserve the right to change or delete the contents of this website or cease publication altogether at any time. The information contained on this website is designed solely for purposes of general information. It is without obligation and in particular constitutes no binding contract offer on our part. Our general conditions of delivery and payment apply for all our deliveries and services.
Links are provided by Otto Graf GmbH to specialist offers made by external companies. The offerers of these link pages bear the sole liability for their contents and in particular for any damage resulting from the use or non-use of the information offered there.

Foto-copyright: © Alexandr Ozerov

Privacy Policy

This website uses Google Analytics, a web analytics service provided by Google, Inc. (“Google”). Google Analytics uses “cookies”, which are text files placed on your computer, to help the website analyze how users use the site. The information generated by the cookie about your use of the website (including your IP address) will be transmitted to and stored by Google on servers in the United States. In case of activation of the IP anonymization, Google will truncate/anonymize the last octet of the IP address for Member States of the European Union as well as for other parties to the Agreement on the European Economic Area. Only in exceptional cases, the full IP address is sent to and shortened by Google servers in the USA. On behalf of the website provider Google will use this information for the purpose of evaluating your use of the website, compiling reports on website activity for website operators and providing other services relating to website activity and internet usage to the website provider. Google will not associate your IP address with any other data held by Google. You may refuse the use of cookies by selecting the appropriate settings on your browser. However, please note that if you do this, you may not be able to use the full functionality of this website. Furthermore you can prevent Google’s collection and use of data (cookies and IP address) by downloading and installing the browser plug-in available under

Further information concerning the terms and conditions of use and data privacy can be found at or at Please note that on this website, Google Analytics code is supplemented by “gat._anonymizeIp();” to ensure an anonymized collection of IP addresses (so called IP-masking).



A price list with our export conditions is available on request. 

Warranty clause:

The warranty mentioned in this website only refers to the tank in question and not to the accessories. Within the warranty period we grant free replacement of the material. Further benefits are excluded. Pre-condition for warranty benefits are proper handling, assembly and installation according to the mounting guidelines.

N.B. Protect tanks from frost when installed above ground! In case of groundwater installation, please contact us for further information prior to purchase!

For all indications of measurements in this website we reserve a tolerance of +/- 3%. The useage volume of the tanks may be up to 10% lower than the tank Volume, depending on the connecting option.

Technical modifications and further development of the various products are subject to change. Errors excepted.

For all our offers and conclusions of contract, only our General Terms and Conditions of Business dated 01/03/2010 shall apply, which we will send to you on request.