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No. 870 is a 500°F (260°C), inert atmosphere oven from Grieve, currently used for aging rubber parts at the customer’s facility. Workspace dimensions of this oven measure 36” W x 60” D x 36” H. 12 KW are installed in lncoloy sheathed tubular heating elements, while a 600 CFM, ½ HP recirculating blower provides universal airflow to the workload.
This Grieve inert atmosphere oven has 4” insulated walls, an aluminized steel exterior and Type 430 stainless steel interior. The oven features inert atmosphere construction, including a pressure regulator, flow meter, pressure gauge, inner oven walls sealing directly against ½” thick silicone rubber door seal, air jacket on the inner oven for cooling, 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. Also onboard is a 650 CFM blower with 2-position motorized dampers to pull air through the air jacket on the inner oven for cooling.
Controls on No. 870 include a recording and programming temperature controller.