No. 865 Three-Zone Conveyor Oven

No. 865 is a 750° F (399° C), three-zone conveyor oven from Grieve, currently used for curing coatings at the customer’s test facility. Work space dimensions of this oven measure 30” W x 18’ D x 15” H. 90KW (30KW per zone) are installed in Incoloy sheathed tubular heating elements, while three 1,500-cfm, 1.5-hp recirculating blowers provide vertical downward airflow to the workload.

This Grieve conveyor oven has a 4’ long open belt loading zone and 4’ long open unloading zone. Features include three 6’ long insulated heat zones with independent recirculated airflow and temperature control, 6” insulated walls and aluminized steel exterior. Type 304, 2B finish stainless steel interior with continuously backwelded seams. Additional features include 24” wide, 1” x 1” 304 stainless steel flat wire conveyor belt with ½ HP motor drive, variable from 0.1 to 2 feet per minute. The oven is sectioned into five pieces for shipping. The oven has safety equipment for handling flammable solvents, including explosion venting door hardware.

Controls on the No. 865 include digital indicating temperature controllers and a three-pen circular chart recorder.