Model DL7-R24 Box Furnace comes with 1 ½ in. thick hearth plate.

Press Release Summary:

Model DL7-R24 Box Furnace comes with chamber which measures 24 in. H x 24 in. W x 24 in. L dimensions and holds up to 1000 lb. Unit features reinforced angle iron steel frame and 6 ½ in. insulating firebrick and mineral wool block on the side walls. Product’s chamber provides heat treatment for materials at 750°F and is equipped with Ceramic fiber pyroblock modules. Furnace offers auto-disengage feature and is integrated with Honeywell DC2500 microprocessor.

Original Press Release:

Lucifer Furnaces Designs Box Furnace for Auto Safety Products

Lucifer Furnaces, Warrington PA, has designed a furnace to meet the heavy loads of a supplier of automotive safety equipment. Model DL7-R24, a box furnace with a chamber size of 24”H x 24”W x 24”L was customized to support a 1000 lb. load of molds for heat treating at 750°F. Starting with a reinforced angle iron steel frame with heavy gauge sheet steel facing welded to form a rigid unit, the furnace is lined with 6 ½” insulating firebrick and mineral wool block on side walls and below hearth. Ceramic fiber pyroblock modules line the roof. Coiled wire heating elements in easy-to-replace holders are located on both side walls as stacked arrays. A special 1 ½” thick hearth plate was designed to sit atop heavy-duty piers to support the load, protect the floor insulation and provide a flat working surface. Safety features onboard include an auto-disengage feature to shut off power to heating elements when door is opened to eliminate electric shock hazard. Controls include Honeywell DC2500 microprocessor based digital time-proportioning temperature controller programmed with a single setpoint heat ramp. The furnace, part of Lucifer’s Series 7000 general purpose box furnaces, will be used for annealing steel and stress steel relief of die cast tool.

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