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As a leading manufacturer with over a decade of expertise in pipeline solutions, Qingdao Yongke Machinery is proud to introduce our advanced UV Cured CIPP Liner. Engineered for municipal sewer rehabilitation, this product represents our commitment to providing durable, efficient, and environmentally responsible trenchless technology. Operating from our 10,000-30,000 square meter facility, we leverage strict ISO-certified processes to deliver liners that restore pipeline infrastructure with minimal disruption and maximum reliability. Our liner is designed to meet the rigorous demands of public works, offering a cost-effective and long-lasting alternative to traditional pipe replacement.
The core of our solution is a high-tensile-strength felt tube impregnated with a specially formulated resin that cures rapidly when exposed to ultraviolet (UV) light. This trenchless installation method is a game-changer for municipalities and contractors. The process involves inserting the uninflated liner into the existing damaged pipe, inflating it with air, and then curing it using a UV light train. The result is a seamless, jointless, and structurally sound new pipe within the old one. This method drastically reduces excavation, traffic disruption, and project timelines compared to open-cut replacement, leading to significant savings in both time and budget.
Key Product Features & Technical Advantages:
Superior Structural Strength: The liner is manufactured to possess high tensile and flexural strength, allowing it to withstand internal pressures, ground loads, and long-term static loads, effectively becoming a standalone structural pipe.
Precise, Customizable Fit: We produce liners tailored to your specific project requirements, with diameters typically ranging from 100mm (4 inches) to 1200mm (48 inches) and various wall thicknesses to meet different design standards (e.g., ASTM F1216, ASTM F1743).
Rapid, Controlled Curing: UV curing is a fast and energy-efficient process. The cure is initiated and completed by the UV light train, allowing for precise control over the curing reaction and ensuring consistent, high-quality results independent of ambient temperature or water presence.
Exceptional Chemical & Corrosion Resistance: The cured resin matrix is highly resistant to attack from sulfuric acids, hydrogen sulfide, and other corrosive elements commonly found in sewer systems, dramatically extending the service life of the rehabilitated pipeline.
Hydraulic Efficiency: The smooth inner surface of the cured liner reduces friction loss (Manning's 'n' value as low as 0.009), often improving flow capacity compared to the original host pipe.
Minimal Site Impact: As a true trenchless technology, installation requires only small access pits, preserving landscapes, roadways, and reducing community disruption and restoration costs.
Technical Specifications Overview:
| Parameter | Typical Value / Description |
| Standard Diameter Range | 100 mm - 1200 mm (Custom sizes available) |
| Liner Material | Non-woven felt / fiberglass composite impregnated with UV-curable resin |
| Tensile Strength (Cured) | High performance, meeting or exceeding relevant ASTM standards |
| Installation Method | Inversion or pull-in, followed by UV light curing |
| Curing Time | Varies with diameter & thickness; significantly faster than steam cure |
| Long-term Design Life | Engineered for 50+ years of service under design conditions |
Benefits for Your Municipal Project:
Cost Savings: Eliminates extensive excavation, backfill, and surface restoration. Reduces traffic control and social costs.
Project Speed: Faster installation and curing mean shorter project durations and quicker return to service.
Reliability & Safety: Creates a structurally independent, leak-proof pipe that stops infiltration and exfiltration, protecting groundwater.
Environmental Responsibility: The UV process has a lower carbon footprint than thermal curing, and the solution rehabilitates rather than replaces, conserving resources.
Versatility: Suitable for rehabilitating pipes made of clay, concrete, cast iron, PVC, and other materials, even in challenging configurations.
Trust in a manufacturer with a proven global track record. Qingdao Yongke Machinery, established in 2010 and holding ISO9001, ISO14000, and OHSAS18001 certifications, exports to markets worldwide, including North America, Europe, and Southeast Asia. Our annual export value reflects the consistent quality and reliability our partners depend on. With a dedicated team of 51-100 professionals, we ensure every UV Cured CIPP Liner is produced to the highest standards, offering a robust, future-proof solution for your critical sewer infrastructure. Choose our liner for a rehabilitation project that balances performance, economy, and minimal environmental impact. Contact us today to discuss your specific requirements and receive a detailed proposal.
Frequently Asked Questions (FAQ)
What is the main advantage of UV curing over traditional steam curing for CIPP?
UV curing offers faster, more energy-efficient, and controllable polymerization. It is less dependent on ambient conditions and typically results in a more consistent cure with lower residual styrene emissions.Can your UV Cured Liner be installed in live or partially flowing sewers?
Yes, one of the significant benefits of the UV process is its ability to cure in the presence of water. Proper bypass pumping is still recommended, but the technology is more forgiving than some other methods.How do you determine the required thickness of the liner for a project?
Liner thickness is determined by engineering design based on the host pipe's condition, depth, soil loads, and required long-term performance. We work with clients or their engineers to specify the correct design.Does the liner block service laterals (connections to buildings)?
No. After the liner is cured, service laterals are reopened using remote-controlled cutting robots, restoring all connections without excavation.What is the typical lifespan of a UV-cured CIPP liner?
When designed and installed correctly, UV-cured CIPP liners have a proven design life exceeding 50 years, providing a long-term, cost-effective asset.Are there any limitations on the pipe geometry you can rehabilitate?
UV CIPP is highly effective for straight runs and can handle gradual bends. Sharp bends, significant diameter changes, or severe collapses may require additional assessment and potentially alternative methods.What quality control measures are in place during manufacturing?
Our ISO-certified facility implements strict QC from raw material inspection to final product testing, including checks on resin content, tensile strength, and dimensional accuracy.Do you provide technical support or training for installation crews?
We offer comprehensive technical data sheets, installation guidelines, and can provide on-site support or training upon request to ensure successful project execution.
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