Tag Archives: heat treating applications

2000°F Electric Pit Furnace from Grieve

No. 943 is an electrically-heated, 2000°F top-loading pit furnace from Grieve, currently used on a variety of heat treating applications at a customer’s facility. Workspace dimensions measure 24”W x 24”D x 24”H.  26kW installed in nickel chrome wire coils, supported by vacuum-formed ceramic fiber, supply heat to the workload.

This Grieve pit furnace feature 7” thick insulated walls, comprising 5” of 2300°F ceramic fiber blanket and 2” of block insulation.  A 6-1/2” thick furnace floor is made of castable refractory materials.

No. 943 also includes an air-operated vertical lift door and a reinforced 1/2” steel top plate to protect the unit while loading and unloading occur.

Safety equipment includes an adjustable, thermocouple-actuated, manual reset excess temperature controller, separate heating element control contactors and a door interlock 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

Dual-chamber Bench Furnace from Grieve

No. 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