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INERT ATMOSPHERE CABINET OVEN FROM GRIEVE

September 18, 2012

No. 873 is a 650°F (343.3°C), electrically-heated inert atmosphere cabinet oven from Grieve, currently used for processing corrosive materials. Workspace dimensions on this oven measure 38″ wide x 50″ deep x 38″ high. 40 KW are installed in Incoloy sheathed tubular heating elements to heat the oven chamber, while a 2000 CFM, 2 HP recirculating blower provides horizontal airflow to the workload.

This Grieve oven has 6″ insulated walls, aluminized steel exterior with special paint, and Inconel 600 interior with continuously backwelded seams. 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, 1/2″ 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.

Controls on No. 873 include programming temperature controller, SCR power controller, manual reset excess temperature controller, and fused disconnect switch.