Range of Total nominal capacity featured between 120 Nm3/h (50Hz) and 144 Nm3/h (60Hz). Technical specifications include ultimate pressure of 10 mbar to 0.5 mbar, tank capacity 270 - 500 - 1000 Lt and motor power 3x1,1Kw- 3x1,5Kw with frequency 3 - 50/60Hz to 1 - 50/60Hz.