PVC Pipe Extrusion Line

Description

Top quality gear box:                                               



1. Manufacturer: DUOLING Brand Decelerated and Distributed Gearbox made by Jiang Yin Gearbox Manufacture Co.,Ltd



2. Gear box bearings: famous brand-NSK,Japan 







New technology design                                                                             



1. Fluting design and copper pipe covering & cooling water circulation of the 5th heating zone                                                                                                



2. Two sections structure & the inner wall of 4th &5th zone trimmed with alloy sleeve                                                                               



3. The 4th & 5thzone adopts independent structure       



4. It adopt screw core constant temperature control system