SU47-4

Configured for steam-to-liquid heating, SU47-4 carries the removable U-tube bundle construction that defines the SU/WU range. Steam condenses in the single-pass shell while the heated fluid travels the tubes. Its envelope centers on a 4-inch diameter shell, 84-inch shell length, and roughly 89 inches overall in a 4-pass arrangement. That works out to about 16.3 square feet of heat transfer surface on 3/4-inch O.D. tubes. Standard construction uses cast iron or brass bonnets, steel shell, copper tubes, and steel or brass tubesheets. The unit is rated for 150 PSI on the shell side, 150 PSI on the tube side, and 375°F maximum temperature. Common applications are instantaneous domestic water heating, swimming pool heating, and building comfort heating.