Single-wall Corrugated Pipe Production Line: 1) single screw extruder 2)single wall corrugated pipe machine 3)high quality. Single-wall Corrugated Pipe Production Line: This production line can be used to produce single-wall or one wall corrugated pipes of PE,PP,PVC,EVA continuously,as well as PA corrugated pipes. Plastic single-wall corrugated pipes have features of high temperature resistance, ...