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7/28/2017

500°F Top-Loading Oven Dries Piston Rings

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Grieve Corp.’s No. 844 is a 500°F (260°C) top-loading oven currently used for drying water from racks of piston rings.

Grieve Corp.’s No. 844 is a 500°F (260°C) top-loading oven currently used for drying water from racks of piston rings. Workspace dimensions measure 48” × 48” × 36”, and 40 kW of power is installed in Incoloy-sheathed tubular heating elements. A 4,200-cfm, 3-hp recirculating blower provides horizontal airflow to the workload.

The oven features 4” insulated walls; an aluminized steel exterior; and a Type 304, 2B-finish stainless steel interior with continuously back-welded seams. It also includes an air-operated rear sliding door, reinforced ¼” steel plate top and wear bars at the sides of the workspace. The floor of the workspace is reinforced for 1,000 lbs. loading at a removable subway grate. Controls include a digital indicating temperature controller and manual reset excess temperature controller with separate contactors, and a recirculating blower airflow safety switch.

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