New Grieve No. 901 Walk-In Oven

1200ºF Walk-In Oven with Model No. 901 From Grieve

No. 901 is a 1200ºF (649ºC), electrically-heated walk-in oven from Grieve, currently used for heat treating at the customer’s facility.  Workspace dimensions of this oven measure 48” W x 60” D x 72” H.  120 kW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 12,500 CFM, 10-HP recirculating blower provides horizontal airflow to the workload.

This Grieve high-temp walk-in oven features 10” thick insulated walls, comprising 2” of 1900ºF block and 8” of 10 lb/cf density rockwool; inner and outer door gaskets with the inner gasket sealing directly against the door plug, while the outer gasket seals against the front face of the oven; doors equipped with expansion joints on the inner face to guarantee uniform sealing at all temperatures; aluminized steel exterior; Type 304, 2B finish stainless steel interior; 7” insulated floor with truck wheel guide tracks and a 2000 lb. capacity stainless steel shelf oven truck with shelf supports on 6” centers.

Controls on No. 901 include a 325 CFM stainless steel powered forced exhauster with motorized dampers for cooling, manual reset excess temperature controller with separate contactors, recirculating airflow safety switch, 10” diameter circular chart recorder, digital indicating and programming temperature controller and an SCR power controller.

About Grieve

Grieve started out in 1949 with one goal in mind…to create a line of industrial heat processing equipment our customers could believe in.

At Grieve, You’ll find quality at each and every step of the design and manufacturing process. With CAD/CAM/CAE design equipment and
ever-improving manufacturing procedures, we make the very best ovens
and furnaces possible.

Today, while much at Grieve has changed, our commitment to that goal is steadfast.Grieve Quality begins with the engineer’s very first layout. The highly sophisticated CAD equipment translates thoughts into form, form into function. From this stage, it’s on to manufacturing, where Grieve quality continues to take shape.

The specific needs of furnace users present their own challenges to Grieve’s furnace division. Our years of experience in the design and construction of industrial furnaces are brought to each new application our engineers encounter. Whatever your requirements for industrial furnaces, look to a quality leader. Look to Grieve. 

For more information, visit or contact

The Grieve Corporation
500 Hart Road
Round Lake, Illinois 60073-2835
P: (847) 546-8225
F: (847) 546-9210