Feature and function: 1.F Series PVC profile production line suitable to produce PVC window profile. According to different profile shape, extrusion mold and production capacity there is a choice of conical or parallel twin screw extruder with vacuum sizing tank, haul-off, saw cutter and stacker. Auxiliary equipment for specific requirements can also be designed and supplied. Extruder capacity from 150kg/h to 450kg/h as required. 2.Specially designed haul-off with high force for stable and reliable operation. 3.Vacuum sizing tank designed with cooling system for easy calibration and high speed extrusion. 4.The saw cutter is synchronized with haul-off by an imported PLC controller. The controller is of simple design and can be set to cut fixed lengths automatically. The cutting chamber is assembled with swarf suction device. 5.According to product requirements, the length of vacuum sizing tanks can be 4m, 6m, 8m and 11m.