No. 905 is an electrically-heated 1200°F(~648.89°C) high temperature walk-in oven from Grieve, currently used for heat treating. 120 KW are installed in Incoloy sheathed tubular heating elements. Workspace dimensions are 48" wide x 180" deep x 72" high.
The oven has 10" thick insulated walls comprised of 2" of 1900°F block and 8" of 10 lb/cf density rockwool, an aluminized steel exterior and a Type 304, 2B finish stainless steel interior. A 12,500 CFM, 10-HP recirculating blower provides universal front to rear airflow to the unit.
The unit is also equipped with a 7" insulated floor with truck wheel guide tracks and a flatbed loading truck with a 5000 lb capacity. The external frame works with lifting eyes to allow this 18,000 lb oven to be moved by crane. It also features inner and outer gaskets; the inner gasket seals directly against the door plug and the outer gasket seals directly against the front face of the oven.
Controls onboard No. 905 include a digital programming temperature controller, free standing remote control panel, manual reset excess temperature controller with separate contactors, SCR power controller, strip chart recorder and recirculating blower airflow safety switch.
