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The New-type Hollowness Wall Winding Pipe Extrusion Machine
HDPE hollowness wall winding pipe has been widely used for drainage projects now and replace cerement pipes. Actually the research and production of plastic pipe goes through a tortuous development process. The development of plastic pipes started with UPVC bellows as a large-caliber drainage pipe in the domestic. However, compared with winding pipes, UPVC bellows have properties of high investment, lower compressive strength and other disadvantages. Although the earliest winding pipe with strip overlap, it was bad in interface strength, influenced by terrain. HDPE (as raw materials) hollowness wall winding pipes has following advantages in recent years: 1, chemically stable, Anti-acid and anti-alkali, anti-sewage and chemical corrosion resistance, no rust. 2, impact. the pipe wall with "H" structure, good adaptability in any foundation. 3, anti-aging. pipe can withstand direct solar ray in storage and construction process. 4, wide range of temperature. no cracking and expansion leakage within -80 to 60 5, light weight. It only takes up 1/8 the weight of cement pipes without no large-scale construction equipment. 6 easy connection. Pipe can be connected firstly then pushed the construction sites which can reduce construction time and cost. 7, superior abrasion resistance. Longer service life (up to 50 years) than cement pipe and steel pipe. 8, large water volume. Smooth wall increasing by 40% water volume. 9, the low price of raw materials. low construction, management, maintenance costs , good environmental protection. HDPE with non-toxic is harmless to the land and can be used repeatedly, known as environmentally friendly green products. HDPE hollowness wall winding pipe production line adopts extrusion and winding pipe methods, connected by extrusion melt adhesive, and can produce a series of specifications from 200 to 3000 mm in diameter winding pipe. The experts said that the production line adopts advanced PLC computer control system and high efficiency extruder from foreign technology, composite nose, combined dual feed, spiral rotation molding, special molding process and pipe connection. Meanwhile its technical performance has reached the international advanced level, overcoming the drawbacks of traditional pipes causing groundwater pollution due to leakage.