The minor-caliber double wall corrugated pipe machine is to optimize and improve on the basis of our original technology, and the price is lower.

The machine adopt two high efficiency screw extruders to extruding the inner and outer layer, the special design spiral construction co-extrusion die head can make sure that the inner and outer thickness is uniform, it has the features of stable forming, high processing speed. The forming mould block adopt vacuum forming system, inner template circulate water cooling and auto oil lubrication system.

According to the client requirement. The machine can add the steel wire threading device to make the pipe with steel wire passing.