May 21, 2009. /Lesprom Network/. Metso will supply two Yankee dryer head insulation systems to Metsä Tissue. The systems will be installed at the company’s tissue mills in Sweden and Finland for decreasing the mills’ energy consumption. Installation of the systems will start in June 2009. The value of the order is not disclosed, the company said in a statement received by Lesprom Network. The Yankee dryer head insulation systems, including installation and start-up services, will be installed on PM 36 at the Mariestad mill in Sweden and on PM 9 at the Mänttä mill in Finland. The contract also includes an option for 6 additional Yankee dryer head insulation systems for the company’s mills in the Nordic countries and Europe. Metso Yankee dryer head insulation systems have been installed on over 120 Yankee dryers since the beginning of the 1960’s. The system has proved very reliable, contributing to an energy saving of 5-8 % on an average.