PHOTOGRAPH 993
MODIFIED MODEL WRH446-500 WALK-IN OVEN Serial No. 83709A0505
for curing rubber parts

- maximum operating temperature: 500° F
- work space dimensions: 48" wide x 96" deep x 72" high
- 45 KW installed in incoloy sheathed tubular heating elements
- 6000 CFM, 5-HP recirculating blower providing horizontal airflow
- 4" insulated walls
- aluminized steel interior and exterior
- 325 CFM powered force exhauster
- digital indicating temperature controller
- manual reset excess temperature controller with separate contactors
- recirculating blower airflow safety switch
- 10" diameter circular chart recorder
- 30 hour oven shutdown timer
- 2" insulated floor with truck wheel guide tracks
- exhaust hood over doors equipped with 18" diameter tubeaxial fan driven by a 3/4-HP motor
- door switch to start hood fan when door is opened, shut down hood fan when door is closed