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No. 873 is a 650ºF, electrically-heated inert atmosphere cabinet oven from Grieve, currently used for processing corrosive materials at the customer’s facility. Workspace dimensions of this oven measure 38” W x 50” D x 38” H. 40KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 2000 CFM, 2-HP recirculating blower provides horizontal airflow to the workload.
This Grieve cabinet oven has 6” insulated walls, aluminized steel exterior, Inconel 600 interior with continuously backwelded seams and special exterior paint. The oven also features full inert atmosphere construction, including pressure regulator, flow meter, pressure gauge, internal high-temperature gasket, all-welded expansion connection in the doorway throat, air jacket on inner oven for cooling, ½” thick cellular silicone rubber atmosphere seal, blower shaft seal, positive latching door hardware, adjustable offset door hinges, outlet with pressure relief, interior seams welded gas-tight and all wall penetrations fitted with compression fittings.
No. 873 has a 650 CFM blower to pull air through the air jacket on the inner oven for cooling, plus automatic dampers. A hinged door jacket with 4” diameter connector to allow the jacket to be ventilated is also provided.
Sixteen pairs of shelf supports to support thirty-two Inconel 600 pans, with two pans on each level, plus loading truck tracks on the floor of the workspace, are built into this Grieve oven.
Controls on this inert atmosphere cabinet oven include a programming temperature controller, manual reset excess temperature controller, SCR power controller and fused disconnect switch.