The no. 661 from Grieve is an electrically-heated high temperature
furnace. Workspace dimensions measure 16 x 16 x 16 in., and the
maximum operating temperature is 2650F. The furnace's 15-in. thick
insulated walls are composted of 6 in. of 3000F insulation and 9 in.
of 2300F insulation. Heat input is provided by 20 KW installed in
silicone carbide heating elements. According to the company, the
double-hinged door with holding clamps allows the unit's operator
adequate protection from the heat blast. A furnace door interlock
turns off the heating elements as the door is opened.
For additional information, call (847) 546-8225 or fax (847) 546-
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