No. 812 is a 650°F (343°C), high temperature top-loading oven from Grieve, currently used for heating stainless steel prior to welding at the customer’s facility. Workspace dimensions of this oven measure 72” W x 36” D x 36” H. 40 kW installed in Incoloy-sheathed tubular elements heat the workspace, while a 3300 CFM, 2 HP recirculating blower provides horizontal airflow to the workload.
This Grieve top-loading oven features 5” insulated walls, aluminized steel interior and exterior, plus a reinforced ¼” steel plate top. Features also include an air-operated rear hinged door and wear bars at the sides of the workspace. The floor of the workspace is reinforced for 3000 lb. loading at removable subway grate.
Controls on No. 812 include a digital indicating temperature controller, manual reset excess temperature controller with separate heating element control contactors and recirculating blower airflow safety switch.