Super Large DN2000 UV Curing Liner Installed Successfully By
No-digging
Daoyunai DN2000 UV Liner is a state-of-the-art trenchless
rehabilitation solution designed for super large-diameter sewer
pipelines up to 2000mm. Utilizing advanced UV-cured
fiberglass-reinforced liners, this system offers a fast, durable,
and environmentally friendly method for repairing aging or damaged
underground infrastructure without the need for digging.
The UV liner installation process involves pipe cleaning, liner
insertion, blowing, UV light curing, and post-installation video
inspection. This method significantly reduces traffic disruption,
labor costs, and overall project time compared to traditional
dig-and-replace techniques.
Key Features:
Suitable for up to DN2000 sewer pipelines
Trenchless technology–no excavation required
UV light curing for rapid installation (typically within a few
hours)
High-strength fiberglass liner with a service life of 50 years
Resistant to corrosion, chemicals, and groundwater infiltration
Complies with international trenchless rehabilitation standards
Daoyunai’s UV liner system is ideal for municipal sewer
rehabilitation projects, industrial pipelines, and stormwater
drainage systems. The seamless installation process ensures
structural integrity, hydraulic performance, and long-term
reliability.
Why Choose Daoyunai UV Liner?
Minimizes disruption to roads and residents
Environmentally safe and non-invasive
Fast return to service
Proven performance in global trenchless repair projects
If you're seeking a cost-effective and sustainable sewer repair
solution, the Daoyunai UV Liner installation is your best choice.
Contact us today for technical specifications, installation
support, or a project quote.
| UV liner | Fiberglass + resin |
| UV equipment | UV CIPP curing machine |
