An international valve manufacturer located in the southeastern U.S. has received a high-uniformity box furnace.
The L&L Special Furnace Co., Inc. model XLE 244 is a front-loading, refractory-lined box furnace and has an effective work zone of 22” wide by 22” high by 20” deep. There is a horizontal double-pivoted door with a safety power cutoff switch. A ceramic hearth and standoffs are provided as a workspace.
The control system is driven by a Honeywell program control with an overtemperature control to prevent the furnace from overfiring. A digital round single-input chart recorder keeps accurate recordings of the furnace process temperature. The Kanthal Iron Aluminum Chrome coiled elements located on the sides, back, and door are controlled in two zones for balancing of temperature gradients from top to bottom.
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