Electric Inert Atmosphere Oven


No. 964 is an electrically-heated, 1,000ºF inert atmosphere oven.  Workspace dimensions measure 24 x 24 x 36 in. 18KW are installed in Incoloy sheathed tubular elements to heat the unit, while a 750 CFM, 3/4-HP recirculating blower motor provides horizontal front-to-rear airflow to the workload.


This oven features 8-in. thick insulated walls comprising 2 in. of a 1,900ºF block and 6 in. of 10 lb/cf density rockwool, aluminized steel exterior and Type 304, 2B stainless steel interior with continuously backwelded seams. 


Special construction features for inert atmosphere use with the customer’s steam boiler include a pressure gauge, internal high-temperature gasket, all-welded expansion connection in doorway throat, air jacket on the inner oven for cooling, 1/2-in. thick cellular silicone rubber atmosphere door seal, blower shaft seal, positive door latching hardware, adjustable offset door hinges, outlet with pressure relief, all interior seams welded gas-tight and all wall penetrations fitted with compression fittings. An integral oven leg stand is also provided.


Controls on No. 964 include a digital programming temperature controller, manual reset excess temperature controller with separate contactors, recirculating blower airflow safety switch, 10-in. diameter, 2-pen circular chart temperature recorder, SCR power controller and fused disconnect switch.

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