The machine applies to PVC window and door processing, can once complete welding rectangle frame and window sash. Compare with four-point welding machine, it can weld win-door mullions, and it has characteristics of high reliability, wide working range, and easy operation etc. The machine is controlled by PLC with high working efficiency, suitable for mass production. Model SHP4-4300B Input Voltage 380V 50Hz Input Power 4.61 Kw Air Pressure 0.5~0.8 MPa Air consumption 200 L/min Welding Height 20~120 mm Welding Width Max.120 mm Welding Range 400?000~2550?300 mm Overall Dimension 5100?500?800 mm