Range of Total nominal capacity featured by device is between 18 Nm3/h (50Hz) and 22.2 Nm3/h (60Hz). Technical specifications include ultimate pressure of 10 mbar to 0.5 mbar, tank capacity 100-200-270 Lt and motor power 3x0.18Kw - 3x0.37Kw with frequency 3 - 50/60Hz to 1 - 50/60Hz.