PHOTOGRAPH 901
MODIFIED MODEL BIH-1200 HIGH TEMPERATURE WALK-IN OVEN, Serial No. 3420075
for heat treating

-maximum operating temperature: 1200°F
-workspace dimensions: 48" wide x 60" deep x 72" high
-120 KW installed in Incoloy sheathed tubular heating elements
-12,500 CFM, 10-HP recirculating blower providing horizontal airflow
-10" thick insulated walls comprised of 2" of 1900°F block and 8" of 10 lb/cf density rockwool
-inner and outer door gaskets; inner gasket seals directly against door plug; outer gasket seals against front face of oven
-doors equipped with expansion joints on inner face to guarantee uniform sealing at all temperatures
-aluminized steel exterior
-Type 304, 2B finish stainless steel interior
-325 CFM stainless steel powered forced exhauster with motorized dampers for cooling
-manual reset excess temperature controller with separate contactors
-recirculating blower air flow safety switch
-10" diameter circular chart recorder
-Yokogawa UP550 digital indicating and programming temperature controller
-SCR power controller
-7" insulated floor with truck wheel guide tracks
-2000 lb. capacity stainless steel shelf truck with supports on 6" centers