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1000°F Inert Atmosphere Oven Ideal for Annealing Copper Foil Parts

No. 872 is an electrically-heated 1000°F (~532°C) inert atmosphere oven from Grieve, currently used for annealing copper foil parts. 36 KW are installed in Incoloy sheathed tubular heating elements. Workspace dimensions are 36" wide x 48" deep x 36" high. A 2000 CFM, 2 HP recirculating blower provides universal airflow to the workload.

The oven has 8" thick insulated walls comprised of 2" of 1900°F block and 6" of 10 lb/cf density rockwool, plus an aluminized steel exterior and interior. A structural steel base is provided to raise the roller rails to a 20" loading height. These roller rails, mounted on the bottom of the oven workspace, are rated for 2000 lb. loads.

No. 872 features Grieve inert atmosphere oven construction, which includes a pressure regulator, flow meter, pressure gauge, internal high-temperature gasket, all welded construction 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.

A 975 CFM blower with automatic dampers pulls air through the air jacket on the inner oven for cooling, while the oven's quick-purge system includes a 1200 SCFH flow meter and solenoid to open the outlet.

Controls onboard No. 872 include a recording and programming temperature recorder and fused disconnect switch.

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Grieve

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