938 GrieveNo. 938 is a 1250°F electrically-heated inert atmosphere oven from Grieve, currently used for heat treating copper parts at the customer’s facility.  Workspace dimensions measure 36”W x 120”D x 36”H.  80kW installed in Incoloy-sheathed tubular heating elements deliver power to the unit, while a 6,000 CFM, 5 HP recirculating blower provides a universal front to rear airflow to the load.

This inert atmosphere oven features an aluminized steel exterior, Type 304, 2B finish stainless steel interior and 10” insulated walls, comprising 2” of 1900°F block and 8” of 10 lb./cu. ft. density rockwool insulation.  Inner and outer door gaskets are provided, with the inner gasket sealing against the door plug, while the outer gasket seals directly against the front face of the oven body.

No. 938 has all construction features onboard for inert atmosphere operation, including pressure regulator, pressure gauge, internal high temperature gasket, all-welded expansion connection in doorway throat, air jacket on inner oven body for cooling, 1/2” 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 fitting for maximum integrity.

Additionally, a 975 CFM blower is provided to pull air through the air jacket on inner oven for cooling.  The entire unit is built to meet JIC / NEMA 12 electrical standards.

A digital programming temperature controller, manual reset excess temperature controller with separate contactors and SCR power controller are included, as well.

This Grieve inert atmosphere oven is mounted to an integral leg stand.

For more information, please contact:

THE GRIEVE CORPORATION
500 Hart Road
Round Lake, IL  60073-2898
Phone:  (847) 546-8225
Fax:  (847) 546-9210
Web:  www.grievecorp.com
Email:  sales@grievecorp.com
Attention:  Frank Calabrese, VP

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