Ahmedabad-based vijiya engineers offers heat transfer equipment using automated welding technique. Design features include tubes of ss 304, 316, 304l, 316l, sa 179, copper, and brass. Fixed or floating heads and removable or fixed tube bundle, in single or multiple passes are provided. The plate materials used are ss, cs, aluminium, and extra low carbon steel for high temperature and pressure, and they are constructed with recent computerized thermal as well as mechanical design. Pressure vessels, columns, reaction vessels, vacuum vessels, storage tanks and other equipment made of cs, ss and aluminium material are available as per international codes and designs.