6 | THESCHAEFERGROUP.COM FOR: This versatile furnace meet the needs of a variety of metal casters, high and low pressure die casters, and permanent mold, sand, investment and lost foam foundries around the world. OPERATION & MAINTENANCE: • Lining — select either monolithic or board lining systems. Our rugged, thermally efficient, non-wetting lining allows us to place the hot metal well anywhere specified. And we can make it square or rectangular, straight or offset at special angles, even with sloped ends for robot ladling and other automation equipment. The lining also helps keep the casing temperature low. OPTIONS: • Power-operated tilt lid allows cleaning of the furnace in less than 10 minutes. • Full-proportioning with solid-state microprocessor controls and specially-designed heating elements with a proven record of superior service life can be easily added. • Alarm thermocouples • Filtration • Degassing with T Wands • Molten Metal Circulation • Inoculation • Rotary Degassing Gas, Oil, or Propane Aluminum Furnaces For fuel efficiency like no other; gas, oil or propane aluminum furnaces by The Schaefer Group hit the mark. Typical melting efficiency, based on 100% cold charging with an exterior charge well, is 1,500 BTU of gas per pound (378 kcal/0.4536 kg) of metal in a Schaefer furnace radiant roof-fired reverb. Whatever the fuel, this is only 1,500 BTU per pound (378 kcal/0.4536 kg). And, if you preheat at least 50% of the metal charged in the form of ingot or sows, the number drops to 1,200 BTU of gas per pound (302.4 kcal/0.4536 kg). Batch-type melting reverbs are also available with the latest in high velocity burners.
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