UV lining is a new advanced No-dig sewer repair process now available from Dyno-Rod, the market leading emergency drain repair service company. The system is designed to provide fast repair of sewer pipes thanks to its speed of installation. It does not require large volumes of heated water, which some other cured-in place lining systems require, and therefore unwieldy heating equipment and boilers are not needed on-site.
The liner, which is impregnated with resin, is cured quickly by using a UV light train.
A Saertex-LINER is used, which is factory impregnated with a either a vinylester or polyester resin, custom made to the specifications of the pipe to be repaired.
The impregnated lining is shipped directly to site where it is winched through the host pipe.
After installation the UV light train is inserted into the lining and the ends sealed.
The impregnated line is inflated against the host pipe using compressed air.
The light train is then pulled through the lining initiating a cure.
Once cured, any lateral connections are re-opened using special robotic cutters and where required suitable 'Top Hats' installed between the host pipe and lateral.
The Top Hat System is designed for lateral connections to lined pipes and consists of a factory stitched polyester felt top hat impregnated with an epoxy resin.
The impregnated top hat is fitted on to the collapsible arm of the robotic equipment.
The robot is then maneuvered into the host lining so that the top hat is located over the cut lateral opening.
The robot is then locked in position and the flexible arm containing the top hat is inflated into the cut lateral opening.
Once in the correct position the top hat is heated to 60C and cured for 45 minutes sealing the gap between the host lining and the lateral pipe.
After the curing process the flexible arm is retracted into the robot and removed from the host lining.
Dyno-Rod can install the top hat system from the host pipe up to 18 metres along the lateral connection from within the host lining by using their specialised robotic equipment.
This technology allows Dyno-Rod to provide a No-dig solution for bridging the gap between the host lining and the lateral connection for most drainage and sewerage.
With these new UV Linings Dyno-Rod engineers can now provide a highly efficient solution for the renovation of pipelines
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