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UPVC Well Screen Thesetubes cutted by vertical technology,which is the most advanced cuttint of the world,and we are the only one who can master the technology .Material The PVC-U filter tubes for supplying water take the polyvinyl chloride resin as the main material, added appropriate auxiliary agent. It’s a plastic product by extruding and injecting, applied for supply system of construction.Advantage:(1).Light weight: weight in unit length is only 1/6 of the cast iron pipes.(2).Low resistance: the inner layer wall is smooth and prevents scum buildup. The waterpressure and discharge of PVC-U pipe is 30% lower than cast iron pipes with the same diameter and can save the cost of discharge power.(3).Corrosion resistance: excellent resistance to corrosion that is caused by acids, alkaline,chemicals and electricity, therefore causing no stains.(4).Easy installation: connects easily with rubber rings. It is easy to install and seals well.(5).Long lifespan: under normal conditions the lifespan can reach up to 50 years.(6).Low cost: with lower cost of installation. Transportation and raw materials, the total cost of the engineering makes PVC-U 30% lower than that of cast iron pipes.(7).Every vertical cut,by this way can filter out the dirty clearly and never broken the pipeApplication Scope: (1)drilling wells (2)geological (3) hydrological surveying (4)sewage disposal (5)drainage system (6)hand pump (7)urban construction (8) other fields related to filtration