Explosion protection level options: II 2 G Ex mbe IIC T4 or T5 / II 2 G Ex de IIC T5 (Zone 1 optional) / II3G Ex nA IIC T4 Gc (Zone 2 optional)
Application
The gas and air valve located at the main shut-off device in front of the gas burner serves the functions of protection, restriction, closure, or release.