Pneumatic seaming machine is mainly used for rectangular duct seaming process! It is driven by air pressure and does not need to be powered on. It is also a very power-saving machine, and the seaming is very convenient. The seam tightness is very good. The machine adopts pneumatic control, with air pressure of 0.6-0.8mpa. There is no motor control, so the production is safer. It also controls the direction through the moving wheel, and the moving position is more convenient.