Intensive High and Average Speed Burner can run under high pressure or in a strong vacuum. The temperature of combustion air may range from ambient temperature to 100C. Max. This air heater for flexographic, coupling, and adhesive coating machines used in printing and packaging. This is very effective and safe too. Intensive High and Average Speed Burner with exhaust gas speeds running from a few or even greater speed depending on the burner cone's output diameter. This is very safe to use.