nishment, this was also the case in Erlangen. In order to guarantee the necessary 5 or 8 bar compressed air pressure at the various take-off points, he had to set each of the 7 independent compressor installa- tions to operate with a maximum working pressure of 13 bar. There- fore he was somewhat sceptical at first when the KAESER experts ex- plained that with an integrated system approach the maximum system pressure could be reduced to 11 bar, e

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