No. 1040 is a 2200°F (1204°C) inert-atmosphere pit furnace that can be used for heat treating automotive parts. Workspace dimensions measure 36 inches wide x 36 inches deep x 48 inches high, and 78 kW are installed in heavy-gauge, high-temperature Kanthal AF alloy wire heating elements of rod overbend design to heat the workload. The furnace has 11-inch-thick insulated walls comprised of 4.5-inch-thick 2600°F firebrick, 2.5-inch-thick 2300°F firebrick and 4-inch 1900°F block insulation. Controls include a digital indicating temperature controller, manual reset excess temperature controller with separate contactors and an SCR power controller.
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