Pressure Jacketed Vessel are used in a variety of applications in both industry and the private sector. pressure vessels are diving cylinder, recompression chamber, distillation towers, autoclaves and many other vessels in mining or oil refineries and petrochemical plants, nuclear reactor vessel. The Chemical Industry is the fastest industry. Its main section ate petrochemicals, fertilizer, Refineries, Dyes and Intermediates etc.The industry grown substantially and has been aided largely by mechanical technology and sophisticated Equipments.