impeller.net resp. spaix.net is a co-operation between VSX - VOGEL SOFTWARE GMBH and different pump manufacturers. Author means in this document the co-operation resp. the participant who has provided the relating part of the software and/or the consisting data and information.


The author reserves the right not to be responsible for the topicality, correctness, completeness or quality of the information provided. Liability claims regarding damage caused by the use of any information provided, including any kind of information which is incomplete or incorrect, will therefore be rejected.
All offers are not-binding and without obligation. Parts of the pages or the complete publication including all offers and information might be extended, changed or partly or completely deleted by the author without separate announcement.

Pump selection

In spite of high quality standards errors in the program and the connected data cannot be ruled out.
Correction of errors takes place within the scope of a regularly recurring revision of the programme whenever it appears that a correction is necessary and the errors can be exactly defined and substantiated by data extracts. The errors must be repeatable ones. There is no legal right to demand a direct or immediate correction.
Claims for damage from the user, based on whatever legal principle, on account of software defects or on account of breach of any other duty, including such relating to product liability, are ruled out.
This refers in particular to incorrect prices, faulty design of pumps and installations, technically outdated data and drawings as a result of, for example, changes in measuring and construction, etc. The author will not accept any responsibility for consequential damage or indirect damage.

Referrals and links

The Author is not responsible for any contents linked or referred to from his pages - unless he has full knowlegde of illegal contents and would be able to prevent the visitors of his site from viewing those pages. If any damage occurs by the use of information presented there, only the author of the respective pages might be liable, not the one who has linked to these pages. Furthermore the author is not liable for any postings or messages published by users of discussion boards, guestbooks or mailinglists provided on his page.


The author intended not to use any copyrighted material for the publication or, if not possible, to indicate the copyright of the respective object.
The copyright for any material created by the author is reserved. Any duplication or use of such diagrams, sounds or texts in other electronic or printed publications is not permitted without the author's agreement.
The copyright for the included pump data are reserved by the pump manufacturers. The use is legal basing on the confirmation of participation of these companies.

Legal force of this disclaimer

This disclaimer is to be regarded as part of the internet publication which you were referred from. If sections or individual formulations of this text are not legal or correct, the content or validity of the other parts remain uninfluenced by this fact.