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No. 971 is an electrically-heated, 500ºF (257ºC) Class 100 cleanroom cabinet oven from Grieve, currently used to sterilize glassware at the customer’s facility. Workspace dimensions measure 36” W x 36” D x 39” H. 20KW are installed in Incoloy sheathed tubular elements to heat the unit, while a 1200 CFM, 1-1/2 HP recirculating blower motor provides horizontal airflow to the workload.
This Grieve cleanroom oven features 4” thick insulated walls throughout and a Type 304, 2B finish stainless steel interior with 1/2” inside radius corners, all seams welded, ground and polished. The stainless steel exterior has a #4 brushed finish. The unit is equipped with front and rear access doors for pass-through to the cleanroom plus an integral wall sealing flange. A red pilot light onboard the oven signals when the opposite door is open. All door hardware is chrome plated.
For Class 100 cleanroom compliance, this cabinet oven has a 12” x 12” x 6” thick HEPA fresh air filter with 2” prefilter and a 30” x 24” x 6” thick stainless steel high temperature HEPA recirculating filter.
Controls on No. 971 include a minihelic pressure gauge and DOP validation port across each set of filters, digital programming temperature controller, manual reset excess temperature controller with separate contactors, recirculating blower airflow safety switch, 10” diameter circular chart temperature recorder, fused disconnect switch and an SCR power controller.
For more information, please contact:
THE GRIEVE CORPORATION
500 Hart Road
Round Lake, Illinois 60073-2835
Phone: (847) 546-8225
Fax: (847) 546-9210
Attention: Frank Calabrese.