A Double Pipe Heat Exchanger consists of one pipe placed inside another, allowing two fluids to flow separately for efficient heat transfer. It can operate in parallel or counterflow configurations depending on process requirements. Commonly used in chemical, oil, and food industries, it offers a simple, compact, and cost-effective solution for heat exchange. https://www.heatexchanger.co.in/Heat-Exchanger/Double-Pipe-Heat-Exchanger/