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Grieve Offers Inert Atmosphere Cabinet Oven

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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.

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.

February 21, 2012—No. 855 is a 1250 degree Fahrenheit 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"x 26" x 38".  40 kw are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 1500 CFM, 1-1/2 hp re-circulating blower provides horizontal airflow to the workload. This Grieve cabinet oven features 10" insulated walls comprising 2" of 1900 degree Fahrenheit 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. 

For more information:

The Grieve Corporation
Email: 
sales@grievecorp.com
URL: 
www.grievecorp.com