L&L gets box furnace order for annealing firearm barrels

L&L Special Furnace Company has supplied its second furnace to a Midwest manufacturer of custom firearms and rifles. (Courtesy: L&L Special Furnace Company)

L&L Special Furnace Company has received a second order for a medium-sized floor-standing box furnace that will be used for annealing gun barrels for rifles. This is the second furnace supplied to a leading Midwest manufacturer of custom firearms and rifles. A marked increase in production and reliable operation of the existing L&L furnace preceded the sale.

The L&L Model XLE 3636 has an effective work zone of 34” wide by 30” high by 32” deep. It is designed for use with inert blanketing gas for atmosphere control to minimize surface de-carb. A programmable flow panel with regulator and two flow meters for high and nominal flow rates along with a visual flow indicator light are included. There is a high-temperature air-cooled fan with packing gland to maintain the case seal integrity. A cast alloy hearth provides a flat work platform for the fixturing of parts.

Honeywell controls and a Yokogawa recorder enable precise temperature control and accurate chart representation of the furnace cycle. The power control is a series of solid-state relays and the furnace is constructed in accordance with NFPA86 compliance for safety.

All L&L furnaces can be configured with various options and be specifically tailored to meet your thermal needs. The company also offers furnaces equipped with pyrometry packages to meet ASM2750F and soon-to-be-certified MedAccred guidelines.

Options include a variety of control and recorder configurations. A three-day, all-inclusive startup service is included with each system within the continental U.S. and Canada. International startup and training service are available by factory quote.

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