High pressure unit for tightening screws ( p. max. 2000 bar)



Customer’ enquiry (Nordex)


High pressure hydraulic securing unit from leading suppliers was unsuited for high speed application. The customer lost a lot of manufacturing time on the base of the break downs.


Solution and results


Development of a high pressure hydraulic device for wind park production with higher

cyclical performance (60.000 failure free cycles)



photo: © D. Lange




Skysails mast testing facility

© D. Lange