Large general purpose box furnaces for hardening, drawing, preheating, annealing, brazing, normalizing and special applications in air atmosphere. Available at operating temperatures of 2000°F (DL) and 2300°F (HL).

Ruggedly constructed industrial furnaces rated for work loads up to 100 lbs. per square foot of hearth area. All models are completely wired, assembled, test fired and shipped ready for connection to main power supply. Safe, simple, and dependable operation. Available in fourteen standard model sizes.

Standard Features

• Welded angle iron frame construction with sheet steel and plate lining.
• Heavy gauge, coil wound, low watt density heating elements for longer life.
• Heating elements located on sides, door, back and below the hearth to provide uniform temperature.
• Multi-layered 7" of energy efficient firebrick, mineral wool block, and ceramic fiber insulation for maximum heat storage, minimum heat loss and lower utility costs.
• Silicon carbide hearth plates form a rugged work surface for supporting load.
• Vertical lift, air-operated door keeps hot face surface away from personnel.
• Safety micro-switch shuts off power to elements when door opens.
• Honeywell digital temperature controller with type K thermocouple and magnetic contactor.
• Controls mounted in separate side-mounted NEMA 1 panel and operate on 115 volts.
• Chambers 72” long designed for two zone control.

More Information

• Lucifer Heavy Duty Box Furnaces for Production Heat Treating - YouTube
• Lucifer Roller Hearth Loading System for heavy loads - YouTube

Options

Program controllers, over temperature safety systems, timers, recorders, loading systems, fiber insulation, quench tanks, alternate door arrangements, forced cooling systems, computer interface, special voltages, gloves, tongs and foil wrap. 

Specifications

Downloads

• Series 5000 Lucifer Heavy Duty Box Furnaces