Remember a post a couple of weeks back about Putzs 70 meter and where it was.
Found this and looks like it does what it was built for.

talk is cheap you gotta show me,It would seem as though they would be marketing this pump and advertising it more if it was performing the way they say it is , I stay intune to these types of stories in the pump industry and shits been pretty quiet about the 70m seems as though the acpa and there magazine would have been breaking news on this pumps accomplishments I know there is only one in the US just seems as though we would have heard more,

Here is a little article about the 70 m....

http://www.putzmeister.de/pm_online/data/PM_4170_GB.pdf

And a video...

http://www.putzmeister.de/cps/rde/xchg/SID-3C6E00FC-FB33FE9C/pm_online/hs.xsl/7770_8005_ENU_HTML.htm

And no air-cuff !