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Published on Sep 7, 2006
The newest Wolfhart Pump as absolutely oil-free high pressure water pump, invented and developed by Physicist Wolfhart Willimczik, US Patent No 6 152 014, Rotary Piston Machines. (the dissipation of the water in the air shows it is indeed high pressure - about 1000psi.) Features of this most advanced pump principle: no more bearings in the piston actuating mechanism what makes this principle total oil-free at any pressure and any volume, only rotating parts, one-stroke working process, only pulling pistons, adjustable volume, water jacking etc. In short it is the simplest but most powerful pump principle ever created. visit www.Wolfhart.us www.WolfhartIndustries.com