Technical comparison: uPVC Sewer SN 4 vs. SN 8 Ring Stiffness. Advantages, performance, cost, and Saudi application context. ALFA AL-ARABIA Manufacturing.
| Property | SN 4 | SN 8 |
|---|---|---|
| Corrosion Resistance | ✅ Complete immunity | ✅ Good |
| Installation Speed | ✅ Fast (solvent weld / push-fit) | ✅ Comparable |
| Weight | ✅ Lightweight (~1/5 of DI) | ✅ Comparable |
| Design Life | 50+ years | 50+ years |
| Hydraulic Smoothness | C=150 (Hazen-Williams) | C=150 |
| Saudi Aramco Approved | ✅ #10116102 | Varies |
In Saudi Arabian infrastructure applications, SN 4 piping from ALFA AL-ARABIA offers significant advantages in corrosion resistance, installation efficiency, and total lifecycle cost compared to SN 8 alternatives. The complete immunity of thermoplastic pipes to sabkha soil corrosion and chloride attack is particularly valuable in coastal regions (Jeddah, Dammam, Jubail, Yanbu).
Direct pricing from the Jeddah plant, with technical submittal support.
