The processing, production equipment, main technical points and dosage design of double wall corrugated PVC pipe are introduced, and the results of faults and its solutions in production are analyzed.

• 介绍了生产聚氯乙烯(PVC)双壁波纹管的工艺流程、生产设备、工艺控制要点及配方设计,分析了生产中出现故障的原因,并提出解决措施。