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As a leading manufacturer of trenchless rehabilitation equipment since 2010, Qingdao Yongke Machinery is proud to introduce our advanced Trenchless Sewer Rehabilitation System for spot repair utilizing cutting-edge UV Curing Technology. Engineered in our expansive 10,000-30,000 square meter facility by a dedicated team of 51-100 professionals, this system embodies our commitment to providing efficient, reliable, and environmentally conscious solutions for the global infrastructure market. Our system is designed to address localized pipe defects quickly and effectively, minimizing disruption to communities and traffic while delivering a long-lasting, structural repair. With our products successfully exported worldwide, from North America and Europe to Southeast Asia and Oceania, we understand the diverse needs of municipal and contracting clients.
This innovative system revolutionizes the way municipalities and utility contractors address sewer pipe failures. By combining the precision of spot repair with the speed and strength of UV curing, it offers a superior alternative to traditional excavation methods or full-length lining projects for isolated defects.
Rapid, On-Demand Curing: The system uses high-intensity UV lamps to cure the resin-saturated liner in a matter of minutes, significantly reducing project timelines compared to ambient or steam cure methods. This allows for faster return-to-service of the pipeline.
Exceptional Structural Integrity: The UV-cured resin forms a hard, jointless, and corrosion-resistant new pipe within the old host pipe. It typically achieves a flexural modulus that meets or exceeds the requirements for a fully structural, independent pipeline.
Minimal Social and Environmental Impact: As a true trenchless technology, it requires only small access pits at the defect location, preserving landscapes, reducing traffic congestion, and lowering the carbon footprint associated with excavation, hauling, and backfilling.
Precision Spot Repair: The system is specifically configured for rehabilitating localized problems such as cracks, holes, joint failures, or root intrusions without the need to line long, undamaged sections of pipe, offering substantial cost savings.
Consistent, Repeatable Results: The UV curing process is controlled by a programmable system, ensuring consistent light intensity and exposure time for every repair, eliminating human error and variability common in other cure methods.
The system's technical specifications are designed for robustness and ease of operation in demanding field conditions. Key parameters include:
| Parameter | Specification |
| Repair Diameter Range | 100 mm to 600 mm (4" to 24") |
| Standard Repair Length | 0.5 meters to 3.0 meters (custom lengths available) |
| UV Lamp Power | High-Output Mercury Vapor Lamps |
| Curing Time | Typically 3-10 minutes, depending on liner thickness & resin |
| Power Supply | 220V/380V, 50/60Hz (Generator compatible) |
| Control System | Digital Timer & Intensity Monitor (PLC upgrade optional) |
| Cooling System | Integrated Air or Water Cooling for lamp housing |
| Inversion Method | Air or Water Pressure Inversion for liner placement |
The primary advantage for our clients is dramatically reduced total project cost. While the equipment represents an investment, the savings from avoided excavation—including costs for traffic control, pavement restoration, landscaping, and public inconvenience—are immense. Furthermore, the speed of repair means crews can complete more jobs per day, increasing revenue potential. The resulting repair is seamless and smooth, improving hydraulic flow and preventing future root intrusion or debris accumulation at the defect site. Our manufacturing process, guided by ISO9001 quality management principles, ensures every component is built for durability and reliable performance, reducing downtime and maintenance costs for the end-user.
Backed by over a decade of manufacturing expertise and ISO9001, ISO14000, and OHSAS18001 certifications, Qingdao Yongke Machinery stands as a reliable partner in infrastructure renewal. Our annual export value of US$1-1.5 Million and presence in markets across North America, South America, Europe, Asia, Africa, and Oceania testify to the global acceptance and reliability of our products. Every system shipped from the Port of Qingdao is supported by comprehensive technical documentation and accessible customer service. We invite you to experience the efficiency and quality of our UV Curing Spot Repair System—a smart investment for any municipality or contractor looking to extend pipeline life, reduce operational costs, and adopt sustainable rehabilitation practices. Contact us today to discuss your specific project requirements and request a detailed quotation.
Frequently Asked Questions (FAQ)
Q1: What types of pipe defects is this system best suited for?
A1: This UV spot repair system is ideal for addressing localized issues in sewer pipes, including circumferential or longitudinal cracks, fractured pipe sections, leaking joints, minor corrosion holes, and isolated areas of root intrusion. It is not intended for continuously deteriorated long sections, which may require full-length lining.
Q2: How does the UV curing process compare to traditional steam or ambient curing?
A2: UV curing is significantly faster, often completing in minutes versus hours or days. It is also independent of ambient temperature and provides more consistent, controlled curing, resulting in predictable mechanical properties and a faster return-to-service for the pipeline.
Q3: What is the expected lifespan of a UV-cured spot repair?
A3: When installed correctly, a UV-cured liner repair is designed to have a service life of 50 years or more. It creates a corrosion-resistant, structurally independent pipe within the host pipe, effectively halting further deterioration at the defect.
Q4: Is specialized training required to operate this system?
A4: While the system is designed for user-friendliness, we strongly recommend and provide comprehensive operational training. This ensures safety, proper installation techniques, and optimal repair results for our clients.
Q5: Can the system handle repairs in pipes with significant ovality or offset joints?
A5: The system is effective for moderate ovality. The flexible liner can conform to some shape variations. For severe deformations or major joint offsets, a pre-inspection and consultation are advised to determine suitability, and custom solutions may be available.
Q6: What are the main power and utility requirements on-site?
A6: The system typically requires a standard electrical supply (220V/380V) for the UV light train and control unit. A reliable air compressor or water supply is needed for inverting the liner into position. The system can be adapted to run from a portable generator.
Q7: Do you provide the resin and liner materials, or are they sourced separately?
A7: We can supply compatible, high-quality UV-curable resin and felt or fiberglass liners as part of a complete package. We ensure the materials are optimally matched to the performance of our curing equipment.
Q8: What kind of after-sales support and warranty do you offer?
A8: We provide a standard warranty on the equipment against manufacturing defects. Our support includes access to technical manuals, spare parts supply, and remote troubleshooting assistance. Extended service agreements are also available.
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