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Wellman's broad experience in building Roller Hearth furnaces includes direct-fired and atmosphere furnaces for temperatures to 2100 F (1150 C). Fuel-fired or electrically heated designs are available.
These furnaces are ideal for lamination annealing, tube annealing and many other processes. For example, a successful Roller Hearth line was provided for reheating molybdenum and tungsten sheets for rolling. It features a unique pulse-fired combustion system.