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PVC-U Pipe DN20-630 | Lead-Free Rigid Drainage & Sewage Pipeline System
100% lead-free eco-friendly formulation. DN20–630mm, up to 2.5 MPa. Solvent cement & rubber ring joints, 50+ year service life. ISO 4422 / EN 1452 / ASTM D1785 certified. Most economical rigid piping. Request free sample & quote!
- Overview
- Technical Specifications
- Application Scenarios
- Service & Support
- Recommended Products
Overview
Why PVC-U Is the World's Most Widely Used Rigid Pipe
PVC-U (Unplasticized Polyvinyl Chloride) is the most installed rigid plastic pipe in global construction and municipal infrastructure. The "U" designation means zero plasticizers — making PVC-U pipe stronger, more dimensionally stable, and suitable for pressurized water systems and structural drainage unlike flexible PVC. With 100% lead-free eco-friendly stabilizers, modern PVC-U pipe is safe for potable water transportation and represents the most cost-effective rigid piping solution for general water, drainage, and sewage applications across 110+ countries.
◆ 100% Lead-Free — Safe for Potable Water. Our PVC-U pipe uses eco-friendly calcium-zinc stabilizers instead of traditional lead compounds. Certified non-toxic for drinking water transportation under ISO 4422 and EN 1452. The ultra-smooth inner wall minimizes friction loss and prevents scale buildup, maintaining maximum flow efficiency throughout the PVC-U pipe's 50+ year service life.
◆ Solvent Cement Joints — Fastest Installation in the Industry. PVC-U pipe connects with solvent cement (glue) — the fastest and most cost-effective jointing method in rigid piping. For large-diameter underground PVC-U pipe (DN200+), rubber ring joints accommodate slight soil movement and thermal expansion while maintaining a watertight seal. No welding machines, no specialized training, no fire risk — installation speed that HDPE fusion welding cannot match on rigid pipeline projects.
◆ Chemical & Corrosion Immune. PVC-U pipe is completely immune to electrolytic and galvanic corrosion — the failure mechanism that limits metal pipes in aggressive soils. Excellent resistance to acids, alkalis, and salts makes PVC-U pipe the preferred choice for chemical plant drainage, industrial effluent, and buried sewage lines where concrete or iron would degrade within a decade.
◆ UV-Resistant — Outdoor-Ready. Premium UV-resistant additives in our PVC-U formulation protect the pipe from sunlight degradation. Unlike standard PVC that becomes brittle after prolonged sun exposure, our PVC-U pipe maintains structural integrity in outdoor installations, above-ground drainage, and exposed building service risers.
◆ Lightweight — Lower Transport & Labor Cost. PVC-U pipe weighs significantly less than concrete, iron, or steel pipe at equivalent diameters. Easily cut with standard tools. Lightweight handling reduces on-site labor costs and crane requirements. For large-scale municipal drainage projects, the total installed cost of PVC-U pipe is typically 30–50% lower than reinforced concrete alternatives.
PVC-U vs. HDPE & Concrete Pipe (Non-Pressure Drainage)
Feature |
Sanjie PVC-U Pipe |
HDPE Pipe |
Material |
Rigid PVC-U, no plasticizers |
Flexible PE100 / PE80 |
Joint Method |
Solvent cement / rubber ring (fast) |
Butt fusion welding (slow, equipment) |
Flexibility |
Rigid — needs elbows at bends |
Flexible — bends with terrain |
Cost |
Most economical rigid pipe |
Higher material + installation cost |
UV Resistance |
UV-stabilized formulation |
Carbon black protection |
Temperature |
0–45°C (cold water only) |
−50°C to 60°C |
Impact (Cold) |
Can be brittle below 0°C |
Excellent low-temp impact |
Diameters |
DN20–630mm |
DN20–1200mm |
Chemical Resistance |
Excellent — acids, alkalis, salts |
Excellent — wider range |
Service Life |
50+ years (non-pressure) |
50+ years (pressure-rated) |
Technical Specifications
|
Parameter |
Standard / Value |
|
Material |
100% Virgin PVC-U (Unplasticized PVC, lead-free stabilizers) |
|
Outside Diameter |
DN20–630mm |
|
Wall Thickness |
1.0–30mm (per DN and pressure class) |
|
Pressure Rating |
0.63 / 0.8 / 1.0 / 1.25 / 1.6 / 2.0 / 2.5 MPa |
|
Working Temperature |
0°C to 45°C (recommended continuous) |
|
Standard Length |
4m / 5.8m / 6m (customizable) |
|
Connection |
Solvent cement joint / Rubber ring joint (elastomeric seal) |
|
Service Life |
50+ years (non-pressure, properly installed) |
|
UV Resistance |
UV-stabilized formulation for outdoor use |
|
Standards |
ISO 4422 / EN 1452 / ASTM D1785 |
|
Certifications |
ISO 9001 / CE |
|
Fittings |
Socket / Elbow 45°/90° / Tee / Reducer / End cap / Valve |
|
Packaging |
Bundled with end caps + weather-resistant wrapping |
Application Scenarios
Building Drainage & Sewage. The global standard for residential and commercial building drainage stacks and underground sewage laterals. PVC-U pipe's smooth inner wall prevents clogging and maintains flow. Solvent cement joints create permanent leak-proof connections in minutes — the fastest rigid pipe installation method available.
Municipal Sewage & Stormwater. DN200+ PVC-U pipe with rubber ring joints for urban sewage mains and stormwater drainage. Chemical-resistant to sewage gases and road salt runoff. 50+ year underground service life at a fraction of the cost of concrete or iron alternatives.
Agricultural Irrigation & Water Transport. Economical PVC-U pipe for farm irrigation mainlines and distribution laterals. UV-stabilized for above-ground use. Smooth inner wall maximizes flow efficiency at low pump pressures — reducing energy costs for large farming operations.
Electrical Conduit & Cable Protection. Rigid PVC-U pipe provides crush-resistant protection for underground power cables, fiber optic lines, and telecommunications infrastructure. Corrosion-free in buried service. Lightweight for easy handling during cable pulling operations.
Industrial Effluent & Chemical Drainage. PVC-U pipe's broad chemical resistance handles acidic and alkaline industrial wastewater without corrosion. Lead-free formulation ensures no contamination of treated effluent. Preferred over metal pipe for chemical plant, pharmaceutical, and plating facility drainage systems.
Trusted Across 110+ Countries
Our PVC-U pipes serve building contractors, municipal drainage authorities, agricultural operators, and industrial facility managers worldwide. As the most cost-effective rigid plastic pipe, PVC-U delivers maximum value per meter for non-pressure water and drainage applications.
Service & Support
From pressure class selection through joint method recommendation to installation training, our team supports your entire PVC-U pipe project from specification to commissioning.
|
Service Item |
Details |
|
Pre-Sales Consulting |
Pressure class selection, solvent vs. rubber ring joint recommendation, chemical compatibility analysis. |
|
Engineering Design |
CAD/PDF drawings with pipe sizing, slope calculations, drainage network layout. |
|
Free Samples |
At no charge. Customer covers freight. Test certificates included for density, tensile strength, and vicat softening temperature. |
|
Production & QC |
ISO-certified manufacturing. 100% tested for wall thickness, impact resistance, and dimensional accuracy per ISO 4422. |
|
Delivery |
7–14 days. EXW, FOB, CIF. Container-optimized bundling for cost-efficient shipping. |
|
MOQ |
Flexible per project scope. |
|
Technical Support |
Installation training, solvent cement & rubber ring joint supervision, drainage system commissioning. |
|
After-Sales Warranty |
50+ year comprehensive warranty. Dedicated team for technical support and replacement. |
|
Payment Terms |
T/T, L/C at sight. Flexible for long-term partners. |
|
OEM / ODM |
Custom diameter, wall thickness, color, marking, and packaging available. |
