AirLINE Ex Type 8650 is a modular electrical and pneumatic automation system that controls complex processes in hazardous areas (Zone1 / 21). The protection class “intinsically safe” (Ex-i) of electronic modules and valves allows the change of modules during operation. With the modules of the co- operation partner Siemens, Bürkert ofers electrical, analogue and digital I/O functions for use in zone 0.