Zhongcai PVC-U Drainage Pipeline - China Leading Pipes Manufacturer
Zhongcai, as a leading pipes manufacturer in China, is your go-to destination for all PVC-U drainage pipeline solutions. We take pride in our high-quality PVC-U drainage pipelines that cater to diverse applications and industrial needs with their superior corrosion resistance, high durability, and excellent performance under varying environmental conditions.
PVC-U Drainage Pipeline Technological Innovations
Automated Batching System: Reduces the impact of human factors during the production process by enabling continuous monitoring and timely detection of issues in the entire raw material blending process.
No-cutting Technology: Provides smooth, neat, and perpendicular incisions that are aligned with the axis of the pipes.
Automated Winding Packaging Technology: The company has introduced advanced automatic film winding packaging systems, resulting in more aesthetically pleasing packaging. It also incorporates a unique unpacking line process, which facilitates construction at the site and reduces labor intensity.
Vacuum Alarm System: Constantly monitors the production line, controls the fluctuation range of the outer diameter of the pipes, and triggers alarms when issues occur, allowing process operators to make necessary adjustments.
| Spiral Pipe | ||||
| Specification(MM) | Thickness(mm) | |||
| 50 | 4.0 | |||
| 75 | 4.0 | |||
| 110 | 5.0 | |||
| 160 | 6.0 | |||
| PVC-U Hollow Spiral Pipelines | Corner Radius | |||
| 75 | 3.8 | 6 | ||
| 110 | 3.8 | 8 | ||
| 160 | 5.0 | 8 | ||
| Hollow Wall PVC-U Pipe | |||
| Specification(MM) | Thickness(mm) | ||
| 50 | 4.0 | ||
| 75 | 4.0 | ||
| 110 | 5.0 | ||
| 160 | 6.0 | ||
| Solid Wall PVC-U Pipe | |||
| Specification(MM) | Thickness(mm) | ||
| 110 | 4.7 | ||
| 160 | 6.9 | ||
Zhongcai PVC-U Drainage Pipes Advantages

These pipes are lighter than traditional metal pipes, which makes them easier to transport and install. The simple connection methods also reduce installation time and costs.

PVC-U pipes are designed to withstand high pressure and heavy loads, which makes them perfect for drainage systems. They have a long lifespan and are resistant to wear, tear, and rust.

PVC-U drainage pipes tend to be more affordable than other types of pipes and require less maintenance, making them a cost-effective choice for drainage systems.

PVC-U drainage pipes have superior resistance to a variety of chemicals, making them suitable for use in environments where they may come into contact with different substances
PVC-U drainage pipes are currently one of the most widely used and versatile pipe systems in China. They have been the flagship product of Zhongcai Pipes since its establishment in 1995. After more than 20 years of development, the PVC-U drainage pipe system has evolved from non-existent to comprehensive, from comprehensive to excellent, and from excellent to refined. It has become one of the most stable and complete series in Zhongcai’s product lineup.
1. PVC-U Pipe Series for Building Drainage
2. PVC-U Spiral Hush Pipe Series for Building Drainge 3S
3. PVC-U Rainwater Pipe Series for Building
4. Buried Pressure-Less Blow-Off PVC-U Pipe Series
5. PVC-U Double-wall Corrugated Pipe Series


Compared to traditional cast iron and cement drainage pipes, PVC-U drainage pipes have several advantages. They are lightweight, resistant to chemical corrosion, have smooth inner walls that prevent scaling, and are easy to install. Additionally, they align with the national industrial promotion policies of replacing steel and wood with plastic, making them a favorable alternative to traditional drainage pipes such as cast iron. As a result, PVC-U drainage pipes have excellent market prospects.
Our most typical PVC-U drainage pipes have smooth inner walls, which results in low fluid resistance. They are highly resistant to corrosion, exhibit stable performance, and have a service life of over 50 years, making them energy-efficient and durable.
Why Choose Our PVC-U Drainage Pipes


PVC-U drainage pipes are a popular choice for various applications due to their excellent properties and cost-effectiveness. These pipes are made from unplasticized polyvinyl chloride, a material that offers great strength, durability, and resistance to a range of chemicals.
PVC-U Drainage Pipes Functional Fittings Features
Featuring an S-shaped diversion mold cavity structure and EPDM cushioning pads, this device offers excellent noise reduction and energy dissipation capabilities compared to traditional energy dissipation devices. It also provides the advantages of easy installation, cost savings, space efficiency, and solving issues related to expansion, contraction, and pressure sealing.
Unplasticized PVC-U double-wall corrugated pipe wins popularity among the broad customers relying on light weight, good resistance to chemical corrosion, smooth inner wall, light weight, low flow resistance, non scale formation, simple and convenient construction,low price and other many advantages. The company successfully disperses the nanometer-scale formula system PVC resin matrix in uniform, giving full play to the magic property of nanometer materials.
This innovative pipe clamp design surpasses traditional fastening methods. The nuts are less likely to come loose during construction, making it easier to work with.These clamps are designed for easy installation during the construction phase. They can be conveniently embedded into concrete structures, such as walls or floors, before the concrete is poured, eliminating the need for additional drilling or fixing.
Utilizing self-weight anti-overflow technology, this fitting prevents the emission of foul odors and the overflow of sewage in drainage pipelines. It is a highly effective solution for preventing foul odor emissions and sewage overflow. Made from durable PVC-U material, it ensures reliable performance and is suitable for various applications. Its innovative design provides efficient drainage and contributes to a clean and odor-free environment.
Dual-use Floor Drain: With a water seal height of over 50mm, meeting national standards, it is suitable for draining surface water or wastewater from washing machines.
Expansion Joint: Designed with a trapezoidal sealing gasket and a reinforced structure, this joint offers higher strength and can be used for expansion and compensation in both vertical and horizontal pipes.
With strong adhesive properties, it ensures secure and reliable connections between pipes, preventing leaks and ensuring long-lasting performance. This adhesive is easy to apply and provides a durable and effective solution for pipe installations.Through numerous experiments and analysis of the bonding effects of different PVC-U adhesives in various construction environments, the company has developed the Zhongcai brand PVC-U drainage adhesive, which is most suitable for construction sites.
Skyrocket Your Business with Our PVC-U Drainage Pipes
The product has the advantages of long life unparalleled by cast iron pipe, corrosion resistance, and the like; and it has the features of light weight, convenience to transport and install, simpleness and ease to connect, and so on, in terms of construction, it is widely applied in civil building drain and sewage, drain and sewage in chemical industry, drain of rainwater, and other field.
Our PVC-U Double-Wall Corrugated Pipe Series also offers ease of installation and flexibility. With a lightweight design and user-friendly interfacing, it significantly reduces the installation time and associated costs. Plus, it comes in various sizes and specifications, catering to a range of requirements in sewage and drainage systems, cable protection, and more.
The Buried Pressure-Less Blow-Off PVC-U Pipe Series by Zhongcai is designed to meet a range of demanding applications. A standout feature of these pipes is their low fluid resistance, which ensures a smooth flow of contents and makes them highly efficient in conveyance tasks. This unique design also prevents blockages, maintaining consistent performance and reducing maintenance requirements.
Another impressive characteristic of these PVC-U pipes is their robust pressure resistance. Despite their lightweight structure, these pipes are capable of withstanding significant pressure levels, making them suitable for various heavy-duty applications. This lightweight nature, combined with the straightforward installation process, also facilitates maintenance and ultimately results in substantial cost savings for projects.
Lastly, our PVC-U pipes are designed to last, offering an impressive lifespan of up to 50 years under normal use conditions. This longevity significantly reduces replacement costs and ensures a reliable, long-term solution for your piping needs.
Zhongcai’s roofing drainage systems breathe an aura of strength and sophistication into any building, ensuring its form is complemented by functionality. With top-notch durability and a finish that retains its color, our system promises an enduring appeal that stands the test of time.
The system’s distinctively high outer wall is designed to capture rainwater slipping off the eave more effectively, channelling it seamlessly into the drainage system. This thoughtfully engineered design feature eliminates the risk of rainwater overflow, providing a fail-safe solution to protect your building from potential water damage.
Furthermore, our systems include a unique bottom cavity design, which strengthens the structure and amplifies its longevity. This innovative design element means you can rest assured that the Zhongcai roof drainage system will reliably serve your building for years to come, providing an unparalleled blend of elegance and performance.

















