500°F Walk-in Oven Used for Drying Molded Fiber Parts

Grieve’s No. 1003 is a gas-fired, 500°F (~260ºC) walk-in oven used for drying molded fiber parts at the customer’s facility. Workspace dimensions measure 48” × 48” × 72”. There are 800,000 Btu/hr. installed in a modulating natural gas burner to heat the oven chamber, while a 4,200-cfm, 3-hp recirculating blower provides vertical upward airflow from a duct beneath the loading truck to the workload.

The oven features 4”-thick insulated walls, aluminized steel exterior, Type 304, 2B finish stainless steel interior with continuously welded seams and insulated floor with integral truck wheel guide tracks. It has all safety equipment onboard to process flammable solvents, as required by IRI, FM and National Fire Protection Association Standard 86 for gas-heated equipment, including a 975-cfm powered forced exhauster and purge timer. Controls include a digital programming temperature controller; digital shutdown timer with audible alarm; fused disconnect switch; and an 8-point internal thermocouple jack panel-wired to the jack panel on the control panel face.