Grieve Inert Atmosphere Cabinet Oven Used for Heat Treating

Originally titled 'Inert Atmosphere Oven Used for Heat Treating'

Grieve’s No. 855 is a 1,250ºF electrically-heated, inert atmosphere cabinet oven currently used for heat treating.

Related Topics:

Related Suppliers

Grieve’s No. 855 is a 1,250ºF electrically-heated, inert atmosphere cabinet oven currently used for heat treating. It features workspace dimensions of 38" × 26" × 38" and 40 kW installed in Incoloy-sheathed tubular elements to heat the oven chamber. A 1,500-cfm, 1-1/2-hp recirculating blower provides horizontal airflow to the workload. 

The oven features 10" insulated walls comprised of 2" of 1,900ºF block and 8" of 10 lb/cf density rockwool insulation; a Type 304, 2B-finish stainless steel interior with continuously backwelded seams; and an inner door gasket that seals directly against the door plug while an outer gasket seals directly against the face of the oven.  

Other features include a pressure regulator, flow meter, pressure gage, internal high-temperature gasket, all-welded expansion connection in the doorway throat, air jacket on the 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.