The LX gas/low NOx Series of high- or low-pressure steam boilers maintain NOx levels at less than 220 parts per million at 3-percent 02, states the company. The company offers a special low-NOx boiler designed for use in the Los Angeles area. An engineered broad flame spread produces a controlled burn that results in low NOx. The LX Series design consists of rows of vertical tubes sandwiched between two rectangular headers. Both headers are encased in a castable refractory with only the tubes exposed to flame and/or combustion gases. The upper header is attached to the lower header only by the tubes. As the tubes expand and contract, the headers float up and down; according to the manufacturer, the floating headers greatly reduce stress and allow for the use of cold feed water without the fear of significant thermal shock.

Miura Boiler Inc., 600 Northgate Pkwy, Ste. M, Wheeling, IL 60090-3201; 847-465-0001; 847-465-0011 (fax);;

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