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.