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New Hot Zone Design Reduces Energy Losses by Fifty Percent

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The R&D team at Solar Atmospheres has developed a new hot zone design concept to reduce vacuum furnace power losses (kw) by up to 50%. Energy loss has long been a concern among vacuum furnace engineers. However, solutions to this problem have been extremely slow in coming to market. Solar’s new hot zone design will be a rare and notable advancement for the heat treating industry.

This innovation was based on thermal loss calculations paired with extensive laboratory vacuum furnace testing.  The improved hot zone will be more energy-efficient in the same insulation dimensions and without compromising vacuum performance. Although initial costs are somewhat higher, payback with reduced energy costs is expected within the first year of operation with significant savings to occur in the following years.

To test-drive the design and make a direct comparison to current hot zones, Solar Atmospheres is rebuilding a mid-size production vacuum furnace hot zone in its corporate headquarters, Souderton, PA. Very careful power measurements will be obtained with a Fluke Model 1735, true RMS, power computer and with fixed hot zone thermocouples placed within the new hot zone insulation system at soaking temperatures of 1600 F, 1800 F, 2000 F, 2200 F, 2400 F, 2600 F and 2800 F to prove out the design. Testing will begin in early 2012 so results “proving out” this design will be released in the near future.

 ABOUT SOLAR ATMOSPHERES

Solar Atmospheres is one of the world’s largest providers of commercial vacuum heat treating services. Through unmatched technical expertise, equipment, and quality assurance, Solar's thermal processing produces bright, scale-free parts with minimal distortion. For clients requiring an "out-of-the ordinary" application, an in-house R&D team of metallurgists and scientists develop innovative, custom process solutions. Serving over 18 markets, Solar's state-of-the art services include brazing, carburizing and nitriding. With over 50 furnaces ranging from lab sized to the world’s largest commercial vacuum furnace, Solar can efficiently handle any size job. Headquartered in Souderton, near Philadelphia, Solar also operates plants in Hermitage, near Pittsburgh and in Fontana, California, near Los Angeles. Please visit www.solaratm.com for more information.

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