PHOTOGRAPH 893
MODIFIED MODEL B2-850 HIGH TEMPERATURE WALK-IN OVEN,Serial No. 420074
for heat treating parts on rollout shelves

-maximum operating temperature: 850°F
-workspace dimensions: 54" wide x 72" deep x 78" high
-80 KW installed in Incoloy sheathed tubular heating elements
-6000 CFM, 5-HP recirculating blower providing combination airflow
-8" thick insulated walls comprised of 2" of 1900°F block and 6" of 10 lb./cf density rockwool
-top mounted heat chamber
-aluminized steel interior and exterior
-three (3) rollout shelves, 48" wide x 60" long rated 200 lbs. loading each
-digital programming and recording temperature controller
-manual reset excess temperature controller with separate contactors
-recirculating blower air flow safety switch
-SCR power controller
-fused disconnect switch