A 600 CFM, 1/2-HP recirculating blower provides vertical upward airflow to the workload as it travels through the chamber. A self-contained humidifier with 30 lb./hr capacity is onboard this Grieve unit.
Overall construction features include an aluminized steel exterior, Type 304, 2B finish stainless steel interior with continuously backwelded seams, top-mounted heat chamber, all interior drive components of 304 stainless steel, two (2) independent doors for access to heat chamber and workspace, loading table and safety light curtain at the load/unload position, plus a viewing window.
No. 904 is built to stringent JIC/NEMA 12 electrical standards and includes a digital indicating humidity controller calibrating relative humidity in the chamber.