Oil injection rotary screw compressors, with belt transmission and power values from 7.5 to 75 kW. Available with various set-ups, these high-efficiency compressors are extremely quiet thanks to the low rotating speed of the pumping unit and their “Premium Efficiency” IE3 motors. Machines with power values starting from 18.5 kW, featuring the ETIV electronic controller, can be fitted with the SMS remote control system for the compressor via the internet.