Shell heavy duty erw pipe or rolled from tested steel plates. Tubes integrally finned seamless copper pipes for better heat transfer. Tube sheet carbon steel plates with sufficient thickness, properly expanded tubes in tube sheets gives rigidity. End covers cast iron end covers with multi-pass arrangements. Finish two coats of rust preventive primer & final coat of synthetic enamel paint. Condersors with carbon steel, s.s., brass & cu-ni tubes can be supplied if required , condensers can be as per is, asme, tema codes.