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Tag Archives: post-welding heat treatments

1450°F Electric Tempering Furnace from Grieve

No. 837 is a 1450OF electrically-heated tempering furnace from Grieve, currently used for pre-heating prior to welding and various post-welding heat treatments, at a customer’s facility.

837 GrieveWorkspace dimensions of this furnace measure 60” wide x 60” deep x 60” high.  180KW installed in nickel chrome wire coils, supported by a stainless steel framework, provide heat to the load.  A rear wall-mounted, heat-resisting alloy recirculating fan, powered by a 25-HP motor with V-belt drive and water-cooled bearings, is also on-board this unit.

8” thick insulated walls comprise 3” of 2300OF ceramic fiber and 5” block insulation, while 7” floor insulation is made from 5” of 2300OF firebrick and 2” of block insulation.  No. 837 features an air-operated vertical lift door, as well as numerous safety and control components, including a programming and recording temperature recorder, SCR power controller, manual reset excess temperature controller with separate contactors and a recirculating blower 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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