No. 999 is an electrically-heated, 350ºF (~176ºC) jumbo combination walk-in oven from Grieve, currently used for curing composite parts at a customer’s facility.
Workspace dimensions measure 10’W x 40’D x 8’H. 160KW are installed in Incoloy sheathed tubular elements to heat the unit, while two 20Hp recirculating blowers with total 49,500 CFM capacity provide combination airflow to the load.
This Grieve oven features 4” insulated walls throughout, removable top-mounted heat chamber, aluminised steel interior and exterior, front and rear double doors with air-operated opening assist plus an 8” x 10” double pane Pyrex window in each door, 1/4” thick plate floor and four interior oven lights. The unit was split into six sections for installation clearance at the customer’s factory.
No. 999 is equipped with all safety equipment for handling flammable solvents, including explosion venting door hardware, 2600CFM powered forced exhauster and motorised dampers on intake and exhaust for accelerated cooling. The unit is built to NEMA 12 electrical standards.
Controls on this Grieve jumbo combination walk-in oven include a digital programming temperature controller, strip chart recorder, SCR power controller and ten digital countdown timers.