A double pipe heat exchanger is one of the simplest form of Shell and Tube Heat Exchangers. Here, just one pipe inside another larger pipe. One fluid flows through the inside pipe and the other flows through the annulus between the two pipes. The wall of the inner pipe is the heat transfer surface. To make a Unit very Compact, The Arrangement is made Multiple Times and Continues Serial and Parallel flow.

REX Heat Exchanger India Pvt. Ltd.

Tubes, Tube sheets, shells, Baffles and Fins of Heat Exchanger are made out of various custom required material & TEMA Standards like seamless or ERW tubes and shells in Copper Aluminum, Brass, mild steel, cupro Nickel, Aluminium brass and stainless steel, carbon steel, admiralty Brass materials are used. The end of the tubes are probably welded or expanded with grooved tube plates by digital tube expanding machines up to a pressure level of 1000 PS1 Pressure.