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Tag Archives: heat treating oven

500ºF Electric Walk-in Oven

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. 901 electrically-heated walk-in oven from Grieve, currently used for heat treating | Grieve Corp

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.

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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550°F Universal Oven for Heating Heavy Metal Dies

grieve1034rtNo. 1034 is a 550ºF (287ºC), electrically-heated universal style oven from Grieve, currently used for heating heavy metal dies at the customer’s facility.  Workspace dimensions of this oven measure 24” W x 24” D x 24” H.  7 kW are installed in Incoloy-sheathed tubular elements to heat the oven chamber, while a 400 CFM, 1/3-HP recirculating blower provides universal front to rear airflow to the workload.

This Grieve universal oven features 6” insulated walls, aluminized steel exterior, Type 304 stainless steel interior with 2B finish plus two 24” wide x 24” long shelves supported by rollers and each rated at 300 lb. load capacity.  An integral oven leg stand is also provided.

No. 1034 controls include a digital indicating temperature controller, manual reset excess temperature controller with separate contactors and recirculating airflow safety switch.

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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Two-Compartment 850°F Universal Oven for Heat Treating

979 for heat treating | Grieve Corp

979 for heat treating

No. 979 is a 850ºF (454ºC), electrically-heated, universal style oven from Grieve, currently used for various machine shop heat treating operations at the customer’s facility. Workspace dimensions of this oven measure 36” W x 36” D x 36” H in each of the two compartments. 24 kW (12kW per zone) are installed in Incoloy-sheathed tubular elements to heat the dual oven chambers, while a 600 CFM, ½-HP recirculating blower provides front-to-back universal airflow to the workload in each compartment.

This Grieve universal oven features 6” insulated walls, aluminized steel exterior with enamel finish, Type 304 stainless steel interior, double doors, three roller shelves rated for 200 lb. loading, five nickel plated, 100 lb. capacity shelves in the top chamber, three nickel plated, 100 lb. capacity shelves in the bottom chamber and an integral leg stand.

No. 979 controls include a digital indicating temperature controller for each compartment, recirculating blower airflow safety switches, a 10” diameter circular chart recorder for each compartment to record part temperature and manual reset excess temperature controllers with separate contactors.

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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1000°F Electric High-temperature Universal Oven from Grieve

883 GrieveNo. 883 is a 1000°F electric universal oven from Grieve, currently used for solution heat treating of aluminum molds at a customer’s facility.  Workspace dimensions of this unit measure 38”W x 48”D x 36”H.

24kW installed in Icoloy sheathed tubular elements heat the workspace, while a 1,200 CFM, 1-HP recirculating blower provides universal pattern front-to-rear airflow to the workload.

This oven features 8” thick insulated walls, comprising 2” of 1900°F block and 6” of 10 lb/cf density rockwool insulation, as well as an aluminized steel exterior, a Type 304, 2B finish stainless steel interior and a motor-operated vertical lift door.

No. 883 also includes a reinforced insulated floor with inverted angle wheel guides, a 300 lb. Capacity stainless steel subway grating loading shelf and an external loading table to support the shelf for loading.

The unit had numerous safety and control devices on board, including a digital indicating temperature controller with separate heating element control contactors, a recirculating blower airflow safety switch, an SCR power controller and a 10” diameter circular chart recorder.

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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Dual-chamber Bench Furnace from Grieve

886 GrieveNo. 886 is a dual-chamber electric bench furnace from Grieve, currently used for a variety of heat treating applications at a customer’s facility.  This unit comprises an upper chamber with operating temperatures to 2200°F and lower chamber with operating temperatures to 1250°F.  Workspace dimensions of this unit measure 12”W x 24”D x 12”H in the upper chamber and 12”W x 20”D x 12”H in the lower chamber.

40 kW installed in nickel chrome wire coils supported by ceramic plates, 20 kW in each chamber, to provide heat.  Heat resistant alloy recirculating blowers, powered by 1/2-HP motors, provide horizontal front-to-rear airflow in each chamber.

Each furnace chamber has 6” thick walls made from 2” of 2300°F ceramic fiber and 4” of block insulation.  Ceramic hearth plates support the workload in each chamber.

Both heating chambers have individual digital programming temperature controllers.  A Partlow MCR5000 2-pen circular chart recorder tracks the temperature in both chambers.

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

Continue reading