PETpla.net Insider 05 / 2019

imprint EDITORIAL PUBLISHER Alexander Büchler, Managing Director HEAD OFFICE heidelberg business media GmbH Bunsenstr. 14 69115 Heidelberg, Germany phone: +49 6221-65108-0 fax: +49 6221-65108-28 [email protected] EDITORIAL Kay Barton Heike Fischer Gabriele Kosmehl Michael Maruschke Ruari McCallion Waldemar Schmitke Anthony Withers WikiPETia.info [email protected] MEDIA CONSULTANTS Martina Hirschmann [email protected] Johann Lange-Brock [email protected] phone: +49 6221-65108-0 fax: +49 6221-65108-28 LAYOUT AND PREPRESS EXPRIM Werbeagentur | exprim.de Matthias Gaumann READER SERVICES Till Kretner [email protected] PRINT Chroma Druck & Verlag GmbH Werkstr. 25 67354 Römerberg Germany WWW www.hbmedia.net | w ww.petpla.net PETplanet Insider ISSN 1438-9459 is published 10 times a year. This publication is sent to qualified subscribers (1-year subscription 149 EUR, 2-year subscription 289 EUR, Young professionals’ sub- scription 99 EUR. Magazines will be dispatched to you by airmail). Not to be reproduced in any form without permission from the publisher. Note: The fact that product names may not be identified as trademarks is not an indication that such names are not registered trademarks. 3 PET planet Insider Vol. 20 No. 05/19 www.petpla.net Compressors and stretch blow moulding systems are two things that go hand in hand in the world of PET. However, an independ- ent sector has developed just for PET compressors. These are still bought-in parts for complete system providers and filling operations. These bought-in parts have been treated as a secondary consid- eration for many years. It was only when the first lightweight water bottles came onto the market that the efficiency of compressors came into focus. Competition to build the most efficient compressors erupted and remains strong to this day. Each manufacturer uses his own measurement methods and in 20 years of PETplanet, we have never managed to make direct comparisons. Meanwhile, information has become more harmonised but the devil is in the detail. Much has happened, particularly on the stretch blow moulding machinery side, that makes comparing efficiency quite difficult on paper. SBM no longer just runs uniformly; high product variety requires retooling times without compressed air consumption. Systems require high pressures for classic bottles and low pressure for lightweight bottles. The modern compressor is therefore flexible and within certain parameters can be adapted to fluctuating compressed air require- ments by controlling the speed. Join us from page 18 on a tour through 20 years of compressor history. Yours Gabriele Kosmehl Dear readers,