90° elbow of the flat head and chamfered. It has compact structure, beautiful appearance, reliable convenient operation system, high efficiency work and other characteristics. It adopts PLC control, two power head can cutting simultaneously, can also cutting solely. Cutter can be installed with three tools, which can cut outside chamfer, end and fillet. It adopts hydraulic lock, hydraulic feed, each power head has a slide forward, work intocutting and back fast technology moves. stable orientation, with its accurate and canonical product size to meetthe relevant standards of the Tee-fitting process.