Sewerage PipesSewerage
uPVC Sewerage Pipe — SN4
StandardBS 4660 / EN 1401
- DN Range
- 100–400mm
- Stiffness
- SN4
- Colour
- Terracotta
- Length
- 6m
Products
Sewerage Pipes
High-strength uPVC sewerage pipes for gravity-flow municipal and industrial wastewater networks, engineered for Saudi Arabia's challenging underground conditions.
Municipal Sewer NetworksIndustrial WastewaterBuilding Drain ConnectionsStormwater DrainageHighway Sub-Drainage
BSENISO
4Product Grades
BSStandards
Sewerage Pipes
4 product grades · 6 size entries
BSENISO
6Size Entries
SewerageApplications
4Product Grades
6Size Entries
BS·EN·ISO
StandardsSewerage·Drainage
ApplicationsPhoto Gallery
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Category Overview
Sewerage Pipes
Our uPVC sewerage pipes are the proven choice for gravity-flow wastewater systems across Saudi Arabia. Available in SN2, SN4, and SN8 stiffness classes, they handle everything from shallow residential laterals to deep main-trunk sewers beneath major arterial roads. Manufactured to BS 4660, EN 1401, and ISO 4435 standards, each pipe undergoes ring-stiffness testing, hydrostatic testing, and dimensional verification to ensure decades of trouble-free underground performance in KSA's aggressive soil conditions.
Key Applications
Municipal Sewer NetworksIndustrial WastewaterBuilding Drain ConnectionsStormwater DrainageHighway Sub-Drainage
Applications
Where Our Products Are Used
Trusted across multiple sectors in Saudi Arabia and the broader GCC region
Municipal Sewer Networks
SectorIndustrial Wastewater
SectorBuilding Drain Connections
SectorStormwater Drainage
SectorHighway Sub-Drainage
SectorLooking for a solution for your project?
Contact our engineering team for tailored product recommendations.
Features & Benefits
Engineered for Demanding Infrastructure
Technical advantages built into every product in this range.
SN4 / SN8 Ring Stiffness
Ring-stiffness classes SN4 and SN8 provide structural capacity for burial depths up to 8m under standard and heavy traffic loading without deformation.
Chemical & Biological Resistance
uPVC is inherently resistant to H₂S (hydrogen sulphide), sewage acids, biological films, and root intrusion — the primary causes of concrete and steel sewer failure.
Precision Push-Fit Joint
Pre-installed EPDM rubber ring seals deliver leak-free, root-resistant joints at rated pressures — no hot works, cement, or adhesives needed on site.
Technical Capabilities
Technical Advantages
Engineering performance built into every metre of pipe we manufacture.
SN8Max Ring Stiffness
8mMax Burial Depth
100 yrsDesign Life
DN 400Max Diameter
Exceptional Ring Stiffness
SN8 classification withstands burial under heavy traffic arteries with soil compaction loads — independently tested per EN 1401 ring-stiffness protocol.
H₂S & Sewage Chemistry Resistance
uPVC is impervious to hydrogen sulphide (the primary cause of concrete sewer crown corrosion) — extending design life to 100 years in municipal networks.
Self-Cleansing Flow Velocity
Manning n = 0.009 smooth bore maintains self-cleansing velocity at lower gradients — reducing blockage frequency and maintenance cost.
Standards
International Standards Compliance
All products in this range are manufactured and tested to the following standards.
BS CompliantEN CompliantISO Compliant
British Standard for unplasticised PVC pipes and fittings for buried drains and sewers.
Available Sizes
Dimensional Range
Standard sizes available from stock. Custom dimensions available on request.
| DN (mm) | OD (mm) | Wall SN4 (mm) | Wall SN8 (mm) | Length (m) |
|---|---|---|---|---|
| 100 | 110 | 2.7 | 3.2 | 6 |
| 150 | 160 | 4.0 | 4.9 | 6 |
| 200 | 200 | 4.9 | 6.2 | 6 |
| 250 | 250 | 6.2 | 7.7 | 6 |
| 300 | 315 | 7.7 | 9.7 | 6 |
| 400 | 400 | 9.8 | — | 6 |
* All dimensions in mm unless otherwise stated. Custom sizes and special-order diameters available. Contact our technical team for non-standard requirements.
Why Our Products
Built to International Standards, Tested for Saudi Conditions
Every product in our range is manufactured to exacting international standards and tested for the extreme demands of Saudi Arabia's climate and infrastructure.
International Standard Compliance
All products manufactured and tested to BS, ISO, ASTM, and IEC standards — fully documented for project specification and compliance submissions.
High-Performance Formulations
Precision PVC compound formulations optimised for UV stability, chemical resistance, and pressure performance in Saudi Arabia's extreme operating environment.
Industrial-Scale Manufacturing
5,000+ ton annual capacity across six production lines in our 40,000 m² facility ensures consistent supply for large infrastructure contracts.
Full Quality Certification
ISO 9001:2015 certified quality management with full batch traceability, third-party testing, and material certification for every product line.
Download Center
Technical Documents, Catalogues & Drawings
Download datasheets, installation guides, and engineering drawings to support design, procurement, and project specifications.
Sewerage Pipes Datasheet
PDFRing stiffness data, installation guidelines, size tables
1.8 MB
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