Static compression by volume reduction. Oil lubricated or dry runnong - vacuum up to 0.1 mbar(abs) with capacities ranging from 3 to 1535 m3/hr. and pressures up to 2.0 bar with capacities ranging from
3 to 420 m3/hr. can be reached. When used as a combined unit, -0.6 bar vacuum and +0.7 bar pressure can be archieved simultaneously