The Grieve Corporation

This electrically heated walk-in oven from Grieve is used for heat treating steel parts at a customer’s facility. Workspace inside this oven measures 48 inches wide x 72 inches deep x 72 inches high. A maximum temperature of 1200°F is provided by 120kW of power, installed in Incoloy-sheathed tubular heating elements. A 10,000 CFM, 7½-HP recirculating blower provides combination vertical/horizontal airflow to the load. The furnace features an aluminized steel exterior, 16 ga. stainless-steel interior, 10-inch-thick insulated walls (comprised of 2 inches of 1900°F block and 8 inches of 10-pound density rockwool insulation) and a 7-inch insulated floor with integral truck wheel guide tracks. Safety and control equipment on this oven includes a 325 CFM powered forced exhauster, digital indicating temperature controller, manual reset excess temperature controller with separate contactors, recirculating blower, airflow safety switch and a 4-pen circular chart recorder.

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