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GRÜNPERGA Papier GmbH Modifi cation of air technology on PM 6 - A real challenge
GRÜNPERGA Papier GmbH Modifi cation of air technology on PM 6 - A real challenge
In August 2010, GRÜNPERGA Papier GmbH in the east of Germany took delivery of a fully insulated hood for PM 6, and the machine-related air technology system was completely modernised at the same time.

PM 6 produces greaseproof papers of 30 – 80 g/m2 and crepe papers in the range 40 – 120 g/m2, used for coffee filters, for example. The project’s targets were to reduce the specific primary energy consumption and simultaneously to increase the machine’s production speed.

And this project included a real challenge: an efficient, custom-made hood had to be integrated within the confines of the existing building. In addition, the entire machine-related air technology had to be designed, manufactured and supplied in modular construction for installation outside the PM hall: the reason being that neither truck-mounted nor construction cranes were able to access the installation site. The Lang-Hafner team did an outstanding job in overcoming this challenge, and the result was a fully satisfied customer. Another hurdle was that GRÜNPERGA needed the new hood installed within a strict time window of just five days. Since there was no hall crane for mounting the hood, almost every element had to be lifted into place manually.

Ulf Ender, managing director of GRÜNPERGA Papier GmbH, praised Lang-Hafner’s skill, flexibility and effectiveness from initial installation through to startup. “With Lang-Hafner, we chose the right partner”, said Mr Ender. Operating personnel have also been very pleased with the significant improvement in working conditions in the production hall made possible by the modernised air system.
The new custom-made air technology system