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Grieve Corporation introduces No. 820, a 550°F electric belt conveyor oven, currently in use for heat treating mattress springs at a customer’s facility.
Workloads travel atop an 84” wide, 1” x 1” high-carbon steel flat wire conveyor belt with 1/2 HP motor drive, variable from 2.9 to 8 feet per minute, through a 6’ long open belt loading zone; 20’ long, insulated heat zone with recirculated airflow and, finally, a 6’ long open unloading zone.
360 kW power is installed in Incoloy sheathed tubular heating elements, while a 24,500 CFM, 20 HP recirculating blower provides vertical downward airflow onto the workload.
No. 820 features rugged Grieve construction, with an all-welded aluminized steel exterior, Type 430 stainless steel interior, 4” insulated walls and heavy-duty structural steel channel base.
Safety equipment on this jumbo conveyor oven includes a digital indicating temperature controller, manual reset excess temperature controller with separate heating element control contactors, recirculating blower airflow safety switch and an exhaust hood over each end equipped with a 12” diameter tubeaxial fan driven by a 3/4 HP motor.
This unit was entirely designed, engineered, built and fully tested by Grieve.
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