Bell Kilns is a furnace, which are used for firing, sintering, calcining, brazing and annealing of products. It has heavy steel case and superstructure, welded and reinforced to form an integral unit with attractive exterior finish. They have microprocessor based temperature controls with fail-safe over temperature protection. It has control panels that are completely wired with necessary power supply, switches, meters, lights, relays, fuses and UL/CSA listed components. The machine contains with auxiliary ports, air circulation, accelerated cooling systems, atmosphere gas-tight case construction and burn-off chambers. It also consists of computerized process control systems, data recorders and multiple temperature zone control systems.