Heavy-Duty, Gas-Fired Furnace Used for Heat Treating

Grieve’s No. 1042 is a 2,000°F (1,093°C) gas-fired, heavy-duty furnace currently used for heat treating.

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Grieve’s No. 1042 is a 2,000°F (1,093°C) gas-fired, heavy-duty furnace currently used for heat treating. The oven features 750,000 Btu/hr. installed in four modulating natural gas burners with a floor-mounted combustion air blower. Burners fire below the hearth, with 9"-thick insulated walls comprised of 5" of 2,300°F ceramic fiber and 4" of 1,900°F block insulation, and 8 1/2" floor insulation made from 4 ½" of 2,300°F firebrick and 4" of 1,900°F block insulation. Workspace dimensions are 30" × 60" × 30".

The furnace has two lanes of roller rails supported by firebrick piers and an air-operated platform with roller rails to bridge from the loading table to the workspace. Features include a ¼" plate-steel exterior reinforced with structural steel, ½" steel faceplate at the doorway and an air-operated vertical lift door. Also on board are a digital indicating temperature controller and a manual-reset excess temperature controller with separate contactors.