No. 921 is an electrically heated, 2,000° F heavy duty box furnace used for different heat treatments at a customers facility. Workspace dimensions measure 24 in. W x 48 in. D x 24 in. H. 34 kW power installed in nickel chrome wire coils supported by vacuum-formed ceramic fiber provides heat to the workload. An indoor heating element further provides temperature uniformity. The unit features 7 in. thick insulated walls comprising 5 in. 2,300° F firebrick and 2 in. 1,900° F block insulation. The furnace has a ¹ /2 in. steel front plate construction. The furnace includes a motor-operated vertical lift door and a digital programming temperature controller and manual reset excess temperature controller with separate contractors.

The Grieve Corp.
www.grievecorp.com