1230-5 Krais Expander 3/4" O.D. 17-18 GA

The 1223-5 Krais Expander is a precision-engineered tool designed for expanding 3/4" O.D. tubes with a 17-18-gauge wall thickness. Part of the 1200 Series of condenser tube expanders, it is ideal for use in heat exchangers, condensers, and boilers. This expander ensures a secure and uniform tube-to-tube sheet joint by delivering consistent rolling performance, reducing the risk of leaks and improving thermal efficiency.