907 GrieveNo. 907 is an electrically-heated, inert atmosphere walk-in oven from Grieve, currently used for heat treating graphite tooling molds at a customer’s facility.  This oven has a maximum operating temperature of 1000°F and workspace dimensions measuring 48”W x 84”D x 72”H.

100 kW total are installed in Incoloy sheathed tubular heating elements, while a 7,800 CFM, 5-HP recirculating blower provides combination airflow to the workloads.  A flatbed loading truck with 2,000 lb. Capacity plus a transfer dolly with oven-to-dolly and dolly-to-truck latches are also included (shown in photo).

This oven features 8” thick walls, comprising 2” of 1900°F block and 6” of 10 lb./cf density rockwool insulation, as well as an aluminized steel exterior and interior.  Special Grieve inert atmosphere construction highlights include a pressure regulator, 0-1200 CFH flowmeter, pressure gauge, inner oven walls sealing directly against a 1/2” thick cellular 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 oven wall penetrations fitted with compression fittings.

Grieve’s No. 907 also includes a digital programming temperature controller, manual reset excess temperature controller with separate contactors, recirculating blower airflow safety switch, 10” diameter circular chart recorder and a fused disconnect switch.

For more information, please contact:

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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