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Polyester Liner – an all-purpose liner

The DS polyester liner is a needled felt tube impregnated with a polyester resin. After the transport of the inliner, manufactured and impregnated at the factory following defined quality standards, the tube is inserted by inversion into the prepared reach by means of water pressure. The heating-up of the water used during the inversion process causes the curing of the polyester resin system.

The procedure is suitable for the rehabilitation of defective pipelines in a nominal width range from DN 100 to DN 1 600. The result is a product, the standard and quality of which meets all the requirements concerning leak tightness, static bearing capacity and hydraulic flow properties.