MAXI 315 is a professional grade welding machine that can be used with medium sized pipes and sewers measuring 315mm diameter. The machine body has a pressure regulating device, two lateral supports, a pair of clamps, an electrically controlled milling cutter, a safety microswitch, and an extractable heating plate which help control the temperature. Integrated with a tip-up metal frame on wheels, which serves both as a work bench and as a safety device when transporting the machine. This machine is used for welding fittings like bends and tees. There are single clamps so it is possible to weld branches too. In a standard model, the machine body has a milling cutter and TP 315 TE plate providing lateral support. The right and left clamp measures Ø 315.