In the June, August und October Edition 2004, the Valve World magazine published a three part article series about "Control valve design aspects for critical applications in petrochemical plants".
All three parts of the publication from Dipl. Ing. Holger Siemers are available for download as PDF files.
Details about the articles and the link to download can be found in the publication section of our website.
Information about further topics in these magazines can be found on the web pages of Valve World itself.