PVC Pipe extrusion lines are used to produce PVC drainage pipes and U-PVC,C-PVC water supply pipes Advanced design for screws supplies powerful safeguard for PVC plasticization Unique inside oil controlling temperature system adapts different technology formulas Beautiful and practical stainless steel body for the vacuum calibration and spray cooling system,unique multi-section vacuum system ensures the stable sizing and cooling for pipes;special spray cooling system improves the cooling efficiency;special water position,water temperature system make the machine more intelligent Hauling-off unit adopts particular pedrail structure,which is easy and convenient for operation;pedrail clamping uses mechanical and pneumatic combining system, which is more reliable Cutting system adopts saw blades and planetary cutting means;sumping uses hydraulic system ,which ensures the smooth cross section;equipped with dust-collecting unit,which ensures the clean working zone