Vijay Industries supplies Air Preheater Corner Duct. Vijay Industries is an ISO 9001:2000 accredited organisation that offers range of corrosion resistant and hard-wearing components is used for boilers and other equipment. The Air Preheater Corner Duct is used in different types of air preheater systems. Theses components are manufactured with utmost care to make them defect-free and hard-wearing. It fits perfectly in air preheater systems and is available in customized and standards designs to suit varied applications.