CHICAGO — Four-way reversing valves are at the heart of heat pump systems, and are indeed necessary to their function. An American Society of Heating, Refrigerating and Air-Conditioning Engineers Inc.

Description: These four-way reversing valves cover 93- and 119-ton applications and are suitable for 1- to 119-ton cooling capacities. They allow heat pump systems to switch between cooling and ...

The challenges associated with process systems operating in highly corrosive marine and salt water environments, requires amongst many things, control valves which are designed to provide high ...

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IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a patent model for a Sulzer ...