Floating Head Heat Exchanger is a heat exchanger model tube bundle by welding or expanding permanently on tubesheet. However, the tube bundle is not connected to the shell. This system is very effective for applications with high pressure and minimal risk of leakage. In addition, this system is easy to maintain. The inside of the shell is easy to clean mechanically as it can be removed from the shell. Therefore, this tool is most suitable for use with clean or dirty fluids on the shell side.