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| | Ammonia in small systems: available componentsFeb. 25, 2009 - The SHERHPA project identified components compatible with small capacity ammonia systems. This second article discusses the availability of heat exchangers, expansion valves and electronic valves, which is to a large extent determined by the absence of copper as a material used in the manufacture of such components. The greatest obstacle to the commercial introduction of small capacity ammonia systems has been the lack of components specifically designed for these applications. Therefore, the first step during the EU SHERHPA project, which developed a small capacity water to water heat pump, was to identify components designed for other applications which would also be suitable for small-scale ammonia systems. While the previous ammonia21.com article focused on compressors, the current article considers the market availability of heat exchangers, expansion valves, electronic valves and capillary tubes. Source: ammonia21.com | |
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