It is designed to make double welding on corners of PVC profiles. Depend on profile, temperature and pressure settings can be automatically adjusted from touch screen. Machine has a heating unit thermostatic control. (PID). Right head can be moved easily with linear guideway system. Right head is automatically fixed with pneumatic pressure. Pressure control for welding and profile clamping cylinders. Single head can be separately work. Easily replaceable Teflon. All parameters can be separately adjusted. Protection system which avoids working on low pressure. Practically changing of the welding mold. Maximum profile length for welding is 3200 mm. Arm rests for long profiles are available. Machine has 0.2 mm blade for cutting over weld in profile.