The PVC-U water supply pipe is mainly made of PVC resin, with the addition of special additives, and is formed by extrusion through an extruder. This pipe has good sealing at the interface, an attractive appearance, is sturdy and durable, and the material is hygienic, causing no pollution to water quality. The inner wall is smooth and has a large water transmission capacity. Corrosion-resistant, with a long service life, it is lightweight for convenient transportation and easy construction. It has excellent pressure resistance (0.1MPa-4.0MPa), can withstand temperatures ranging from -30℃ to +60℃, and will not harden or soften the pipe body due to changes in climate or usage temperature.
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UPVC Water Pipe (unplasticized polyvinyl chloride water pipe) is extruded from premium PVC resin combined with specialized performance additives. The manufacturing process yields a remarkably rigid texture with a smooth, defect-free surface that feels cool and solid to the touch. It features a highly hygienic material composition and exceptionally uniform inner walls, complying strictly with the "Safety Evaluation Standard for Drinking Water Distribution Equipment and Protective Materials" (GB/T 17219). Every segment is rigorously inspected for uniform wall thickness and precise port alignment to guarantee structural integrity and complete air-tightness upon connection. This meticulous attention to appearance and dimensional standards ensures reliable performance across diverse municipal and commercial fluid transport systems.
This pipe boasts a versatile nominal pressure range of 0.1MPa-4.0MPa and a reliable temperature resistance spanning from -30℃ to +60℃, adapting well to fluctuating seasonal conditions. With an exceptionally low roughness coefficient of 0.008-0.009, the ultra-smooth inner walls actively resist biofilm growth and minimize friction head loss. This hydraulic efficiency significantly reduces long-term pumping requirements and operational energy costs. Furthermore, its tensile strength at 23℃ is no less than 45MPa, guaranteeing structural stability against external soil loads and internal fluid dynamics.
Manufactured exclusively from food-grade PVC resin without the addition of plasticizers, this piping solution prioritizes human health. Its vinyl chloride monomer (VCM) content remains strictly below 5mg/kg, entirely avoiding secondary water pollution and the proliferation of algae or bacteria. The material strictly meets international health and safety regulations, including NSF/ANSI 61 and AWWA standards, ensuring zero toxic leaching for potable water distribution. The resulting water retains its natural taste and odor, completely unaffected by the conduit.
The total lifecycle cost of this system is over 40% lower than traditional metal alternatives. It outperforms traditional copper, galvanized steel, and PEX by eliminating corrosion, scale buildup, and heavy metal leaching risks. No expensive anti-corrosion treatments or protective coatings are needed, and routine maintenance costs drop to merely 30% of those associated with cast iron or concrete pipes.
Low water transmission resistance cuts energy consumption by 15%-20% during active pumping. Additionally, the waste pipes are 100% recyclable with a significantly lower carbon footprint, supported by Life Cycle Assessments (LCA) for green building compliance and sustainable construction initiatives.
The unplasticized composition inherently resists degradation from aggressive acids, alkalis, salts, and stray electrical currents, making it highly suitable for complex environments like municipal buried projects and industrial chemical transport. Engineered for a 50 to 100-year service life, it demonstrates industry-leading low break rates even in shifting underground terrains. It offers this extended service life without hardening, softening, or becoming brittle over decades of continuous fluid exposure.
Nominal outer diameter DN/mm | Nominal wall thickness e/mm | ||||||
Standard size ratio | |||||||
SDR41 | SDR33 | SDR26 | SDR21 | SDR17 | SDR13.6 | SDR11 | |
Nominal pressure/MPa | |||||||
0.63 | 0.8 | 1.0 | 1.25 | 1.6 | 2.0 | 2.5 | |
50 | 2.0 | 2.4 | 3.0 | 3.7 | 4.6 | 5.6 | |
63 | 2.0 | 2.5 | 3.0 | 3.8 | 4.7 | 5.8 | 7.1 |
75 | 2.3 | 2.9 | 3.6 | 4.5 | 5.6 | 6.8 | 8.4 |
90 | 2.8 | 3.5 | 4.3 | 5.4 | 6.7 | 8.2 | 10.1 |
110 | 2.7 | 3.4 | 4.2 | 5.3 | 6.6 | 8.1 | 10.0 |
125 | 3.1 | 3.9 | 4.8 | 6.0 | 7.4 | 9.2 | 11.4 |
140 | 3.5 | 4.3 | 5.4 | 6.7 | 8.3 | 10.3 | 12.7 |
160 | 4.0 | 4.9 | 6.2 | 7.7 | 9.5 | 11.8 | 14.6 |
180 | 4.4 | 5.5 | 6.9 | 8.6 | 10.7 | 13.3 | 16.4 |
200 | 4.9 | 6.2 | 7.7 | 9.6 | 11.9 | 14.7 | 18.2 |
225 | 5.5 | 6.9 | 8.6 | 10.8 | 13.4 | 16.6 | |
250 | 6.2 | 7.7 | 9.6 | 11.9 | 14.8 | 18.4 | |
280 | 6.9 | 8.6 | 10.7 | 13.4 | 16.6 | 20.6 | |
315 | 7.7 | 9.7 | 12.1 | 15.0 | 18.7 | 23.2 | |
355 | 8.7 | 10.9 | 13.6 | 16.9 | 21.1 | 26.1 | |
400 | 9.8 | 12.3 | 15.3 | 19.1 | 23.7 | 29.4 | |
450 | 11.0 | 13.8 | 17.2 | 21.5 | 26.7 | 33.1 | |
500 | 12.3 | 15.3 | 19.1 | 23.9 | 29.7 | 36.8 | |
560 | 13.7 | 17.2 | 21.4 | 26.7 | |||
630 | 15.4 | 19.3 | 24.1 | 30.0 | |||
710 | 17.4 | 21.8 | 27.2 | ||||
800 | 19.6 | 24.5 | 30.6 | ||||
900 | 22.0 | 27.6 | 34.4 | ||||
1000 | 24.5 | 30.6 | 38.2 | ||||
1200 | 29.4 | 36.7 | 45.9 | ||||
This versatile piping solution is ideal for indoor water supply networks within large-scale civil and industrial buildings, as well as complex underground distribution systems in planned communities and factory complexes. The visually clean finish blends well into exposed utility areas, while the structural density withstands heavy burial pressures.
It is heavily applied in urban water supply networks, municipal water treatment plant pipelines, and extensive commercial garden irrigation projects where consistent flow rates are critical. The material's resistance to biological degradation ensures reliable performance in damp soil conditions.
Furthermore, it serves demanding applications such as marine aquaculture facilities, deep well-digging projects, and other specialized industrial uses requiring reliable, uncontaminated water transmission over vast distances without the risk of saltwater corrosion.
The product line is available in a comprehensive range of nominal outer diameters (DN) from 50mm to 1200mm, accommodating everything from localized distribution branches to massive municipal mains. Wall thickness precisely varies by standard size ratio (SDR41 to SDR11) and nominal pressure ratings (0.63MPa to 2.5MPa). For example, a DN50 pipe features a calibrated wall thickness ranging from 2.0mm (SDR33) to 5.6mm (SDR11), allowing engineers to specify the exact dimensions required for specific pressure zones and flow volumes.
The remarkably lightweight design enables easy, cost-efficient transportation and on-site handling, reducing the need for heavy lifting equipment. The pipe's inherent physical toughness and secure connection methods ensure rapid construction efficiency. Installers can utilize secure gasketed push-fit or solvent-welded joints, which guarantee fast, economical, and permanently leak-proof connections. This adaptability makes the piping highly suitable for both modern trenchless installation methods and traditional deep-bury applications.
Yes. It strictly meets GB/T 17219 standards, utilizing completely non-toxic raw materials with no harmful substance release. The formulation prevents any leaching of heavy metals or chemical compounds, ensuring it remains entirely safe for direct drinking water transmission while preserving the water's natural clarity and taste.
With excellent chemical corrosion resistance and stable mechanical properties, it offers an engineered service life of 50 to 100 years. It consistently outperforms traditional metal pipes in most environments by avoiding rust, internal scaling, and structural degradation, thereby maximizing the long-term return on investment for large infrastructure projects.
Absolutely. The exceptionally low flow resistance (roughness coefficient of 0.008-0.009) drastically reduces pump load and friction loss over extended runs. This hydraulic efficiency makes it perfect for urban water supply networks and large-scale long-distance projects, ensuring consistent pressure delivery while minimizing operational energy expenses.
