The UPVC 320mm Manhole Riser is a robust drainage component engineered for Inspection Chamber & Manhole systems, allowing the chamber height to be adjusted to match finished ground levels during new installations or landscaping projects. It provides a reliable extension while maintaining the structural integrity and accessibility of the inspection chamber.
Manufactured from premium-grade UPVC, the 320mm manhole riser offers outstanding resistance to corrosion, chemicals, moisture, impact, and underground environmental conditions. Its durable construction ensures dependable performance in residential, commercial, and civil engineering drainage applications.
The precision-manufactured design provides a secure fit with compatible inspection chamber components, helping maintain a stable and leak-resistant underground drainage system. Its smooth internal surface promotes unrestricted waste water flow while supporting easy inspection and maintenance access when required.
Designed for strength, reliability, and simple installation, the UPVC 320mm Manhole Riser is an ideal solution for extending inspection chambers without compromising drainage system performance.
Specifications
| Specification | Details |
|---|---|
| Product Name | UPVC 320mm Manhole Riser |
| Category | Inspection Chamber Manhole |
| Application | Underground Waste Water Drainage |
| Material | UPVC |
| Diameter | 320mm |
| Product Type | Manhole Riser |
| Installation | Push Fit / Compatible Chamber System |
| Function | Raises Inspection Chamber Height |
| Internal Surface | Smooth Bore |
| Corrosion Resistant | Yes |
| Chemical Resistant | Yes |
| Impact Resistant | Yes |
| Weather Resistant | Yes |
| Underground Suitable | Yes |
| Maintenance | Low Maintenance |
| Suitable For | Residential, Commercial & Civil Drainage Systems |
Key Features
- Manufactured from premium-quality UPVC
- 320mm diameter inspection chamber riser
- Increases inspection chamber height
- Strong and durable construction
- Secure fit with compatible chamber systems
- Resistant to corrosion, chemicals, moisture, and impact
- Suitable for underground drainage applications
- Long service life with minimal maintenance





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