L&L Special Furnace Co. Inc. supplied an electric box furnace to a global supplier of large industrial valves for various industries. This is the fifth L&L furnace supplied to this facility, which is located in Louisiana. The unit, which has an effective work zone of 34 inches wide x 34 inches high x 32 inches deep, is used to both heat treat and temper various rings and seals deployed in the manufacture of valves used in the power-generation field. It is also used for general heat treating of various steels prior to machining.
A complete digital control system, over-temperature protection and temperature recorder are included. There is also an audible alarm to signal an over-temperature or event condition. The furnace has a horizontal-style door with a double pivot that allows for the hot face to be kept away from the operator.