March 2, 2011
All too often, terms like “Class-I/Division-2” or “Class-II/Group-E” stir up confusion in the minds of makers and users of industrial heating equipment. Furnaces use fuel, and fuel creates a risk of fire and explosion. Furnaces also have flames, and flames can ignite combustibles. Why aren’t all high-temperature processing areas designated as “hazardous-classified”?