This units is mainly used in producing the heavy-caliber PE heat preservation tube, and its products are mainly applied to the outer layer of heating pipeline (which its middle layer is the ammonia fat gathering and foaming level, and its inner layer is the steel pipe), besides that the units can produce the delivery pipe, the discharge pipe and so on. The units is mainly composed of the extruding machine, the nose, the cooling water trough, the tractor, the cutter, the card tube machine, the support and the electrical control department etc. Main Technical Parameter The unit model Extruding machine model Tractor specification Production method model cooling length cutting way Dumping way SJG400-1400 SJ-150 Clip with electric Six fingernails or eight fingernails tow Intrinsic pressure law 6meters Manual or planet hand operated SJG90-400 SJ-120 Clip with electric Four fingernails tow Vacuum process 4meters The planet cuts