A Double Pipe Heat Exchanger consists of two concentric pipes, where one fluid flows through the inner pipe and the other flows through the outer annular space. This simple yet effective design allows efficient heat transfer between hot and cold fluids in either parallel or counterflow arrangements. Commonly used in chemical, oil, and food industries, it offers compactness, reliabilit... https://www.heatexchanger.co.in/Heat-Exchanger/Double-Pipe-Heat-Exchanger/