Inert Atmosphere Cabinet Oven features 1,250°F rating.
February 23, 2012 -
Providing workspace dimensions of 38 x 26 x 38 in., No. 855 uses 40 kW Incoloy-sheathed tubular elements to heat oven chamber and 1,500 cfm, 1 ½ hp recirculating blower to provide horizontal airflow to workload. Oven has 10 in. insulated walls comprised of 2 in. of 1,900°F block and 8 in. of 10 lb/cf density rockwool insulation. Type 304 stainless steel interior with 2B finish features continuously backwelded seams, plus inner and outer door gaskets.
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Original Press release
Grieve Corporation, The
500 Hart Rd.
Round Lake, IL, 60073-2898
USA
Hi-Temp Inert Atmosphere Cabinet Oven from Grieve
No. 855 is a 1250ºF electrically-heated, inert atmosphere cabinet oven from Grieve, currently used for heat treating at the customer's facility. Workspace dimensions on this oven measure 38" W x 26" D x 38" H. 40KW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 1500 CFM, 1-1/2 HP recirculating blower provides horizontal airflow to the workload.
This Grieve cabinet oven features 10" insulated walls comprising 2" of 1900ºF block and 8" of 10 lb/cf density rockwool insulation, Type 304, 2B finish stainless steel interior with continuously backwelded seams, plus inner and outer door gaskets with the inner gasket sealing directly against the door plug while the outer gasket seals directly against the face of the oven.
Full inert atmosphere construction further includes a pressure regulator, flow meter, pressure gauge, internal high-temperature gasket, all welded expansion connection in doorway throat, air jacket on inner oven for cooling, ½" thick 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 325 CFM blower pulls air through the air jacket on the inner oven for cooling.
Controls on No. 855 include a special heating/cooling temperature controller to control heating elements for heating and modulating damper on cooling blower for cooling. The oven also has an SCR power controller and circular chart recorder onboard.
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