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2/13/2015

Cleanroom Cabinet Oven Dries Precision Parts

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Grieve’s No. 922 is an electrically heated 500°F (260°C) cleanroom cabinet oven currently used for drying precision parts in baskets.

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Grieve’s No. 922 is an electrically heated 500°F (260°C) cleanroom cabinet oven currently used for drying precision parts in baskets. To heat the load, 30 kW are installed in Incoloy-sheathed tubular heating elements. The unit has 4" insulated walls; an aluminized steel exterior finished in white epoxy paint; a Type 304, 2B-finish stainless steel interior with continuously back-welded seams; a no. 4 brushed-finish stainless steel door cover and control panel face; and double doors with positive latching door hardware. 

A 1,500 cfm, 2-hp recirculating blower provides horizontal airflow to the oven. Two 30" × 24" × 6", stainless steel, high-temperature Hepa recirculating filters purify the air. The ductwork is easily removable to expose filters for inspection or replacement.

Onboard controls include a digital indicating temperature controller, a manual-reset excess temperature controller with separate contactors, a recirculating blower airflow safety switch and solid state contactors.

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