Tag Archives: heat treatments

1250°F Electric Universal Oven from Grieve

No. 931 is an electrically-heated, 1250°F high-temperature universal oven from Grieve, currently used for various heat treatments at a customer’s facility.  Workspace dimensions measure 25”W x 36”D x 24”H.  18 kW are installed in Incoloy-sheathed tubular heating elements, while a 1000 CFM, 1-HP recirculating blower provides a universal front-to-rear airflow to the load.

This Grieve universal oven features 10”-thick insulated walls, comprising 2” of 1900°F block and 8” of 10 lb/cf density rockwool insulation, plus an aluminized steel exterior, Type 304 stainless steel interior and a motor-operated vertical lift door controlled by a foot pedal.

No. 931 also includes a digital indicating temperature controller, manual rest excess temperature controller with separate contactors, recirculating blower airflow safety switch, fused disconnect switch and a 10’ power cord.

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

2000°F Electric Heavy-duty Furnace from Grieve

No. 921 is an electrically-heated, 2000°F heavy-duty box furnace, currently used for various heat treatments at a customer’s facility.  Workspace dimensions measure 24”W x 48”D x 24”H.  34KW power installed in nickel chrome wire coils, supported by vacuum-formed ceramic fiber, provides heat to the workload.  An in-door heating element further provides improved temperature uniformity in this furnace.

The unit features 7” thick insulated walls, comprising 5” of 2300°F ceramic fiber and 2” of 1700°F ceramic fiber while the 6-1/2” floor insulation consists of 4-1/2” of 2300°F firebrick and 2” of 1900°F block insulation.  This Grieve heavy-duty furnace has a 3/16” steel plate reinforced shell and 1/2” steel front plate construction.

No. 921 also includes a motor-operated vertical lift door, as well as a digital programming temperature controller and manual reset excess temperature controller with separate contactors, for improved efficiency and safety.

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