We supply the double HDPE/PP gas and water pipe co-extrusion line with the production of diameter 16 mm upto 1600mm ¡ñ Specialised screw designs for high output rates and homogeneity at low mass temperature. ¡ñ Special grooved feeding bush with water cooling system results in increased compression and filling factors. ¡ñ Unique design of low-pressure inclined flow passage spiral/lattice basket diehead, ensures low temperature and high plasticizing extrusion of PE pipes ¡ñ Special designed die core spiral temperature control, ensures the performance of PE pipes ¡ñ Multi-layer co-extrusion die offers the advantages of low cost and flexibility of layer structure with different material ¡ñ With two-stage vacuum system(for large diameter)advanced water recycle & high pressure cooling system ¡ñ With flexible round degree adjust unit ¡ñ With accurate water level & temperature monitor system ¡ñ Long water tank effect high efficiency cooling ¡ñ Unique spraying pipeline design shorten unit cooling length ¡ñ With good appearance practical stainless tank ¡ñ Special integral transmission unit avoids asynchrony of individual transmission ¡ñ Advancded four connecting rod structure makes self-centering of haul-off's loacating ¡ñ Accurate pressure regulating system makes hauling power adjustable ¡ñ Full-hydraulic design ensures flexible pressure in cutting state of pipes ¡ñ Unique power input system ensures high reliability of planetary unit ¡ñ With ultra silent & enforced sucking system ¡ñ Unique non-scrap cutting unit enusre clean cutting section for 16mm to 315mm pipe.