All coils have copper tubes with staggered tube pattern. 3/8” O.D. tube coils have .016” wall. 1/2” O.D. tube coils have .016” or .020” wall. 5/8” O.D. tube coils have .020” wall with option for .025”, .035”, and .049” wall. Tubes are mechanically expanded to form an interference fit with fin collars without decreasing tube wall thickness.
Standard fins are .006” die formed plate type aluminum fins. Optional fins are .008”, and .010” aluminum and .006” copper. For optional tubing and fin material contact the factory.
All coils have heavy wall copper headers. Steel also available.
Water Coils: Supply and return connections are typically copper or steel MPT, FPT or copper sweat..
Direct Expansion Coils: Suction headers have copper sweat connections. Distributors are brass with removable type orifice.
Condenser Coils: Supply and return connections are typically copper sweat connections.
All coils have 16 gauge galvanized steel casing with 1½ flanges typically on the endplates and sideplates. Stainless Steel and Copper casings are available.
All coils are leak tested under water with 450 PSIG dry nitrogen.