Multi purpose demonstration unit presented on the left with computer aided design shown on the right. The unit which can handle 2400 Nm3hr-1 at 8 bar and 20 °C (2 MMSCFD, 120 PSI, 70 °F) was tested at Eindhoven University with water and air. The unit features an optional drive with magnetic coupling. The performance was according to design specifications. The unit was subsequently installed in a slip stream of an Enexis gas reduction station and operated for a year without difficulty.