NGU System – Ultraslim 73mm Profile The NGU system is an ultraslim 73mm automatic sliding door. It delivers maximum performance and reliability in a compact track housing, while still having all the features of the revolutionary NG series door operators. The NG Ultraslim 73mm utilises ADIS’s latest in microprocessor technology and motor design. Ultraslim 73 … Continue reading NGU SYSTEM ULTRASLIM 73MM PROFILE