North Carolina

Raleigh, NC 27601-2827. 1.919.733.7962. 1.919.733.6609 FAX. ... Potential of cross contamination. ... or slanted tubes. The tubes may be “firetube” (flue gas inside, heated fluid outside) or “watertube” (fluid inside). The tubes may be in one or more passes. A popular design for medium and large steel boilers is the Scotch, or Scotch ... ................
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