System Performance
Standards
SuperSleve pipes are manufactured to a harmonised European Standard, BS EN 295:1991, which specifies requirements for vitrified clay pipes and fittings with flexible mechanical joints for drains and sewers.
SuperSleve pipes are assessed by the Water Services Association of Australia (WSAA) appraisal No 9818 as fit for purpose and bear license Mark IP088 – MP52 Spec 418.
Strength
Due to advanced manufacturing techniques developed by Hepworth, the SuperSleve/EuroTop system has a performance level well in excess of the criteria laid down in the standards and exceed class 4, AS1741. (See Table).
Quality Assurance
The SuperSleve/EuroTop system is manufactured under an ISO 9002, 1994 Quality System accepted by BSI. Where applicable, products conform to the relevant British Standard. Full details are available on request.
Installed Cost
Detailed cost analysis highlights the cost savings available in commercial drainage due to the ease of laying.
The SuperSleve system is the cheapest system to install for commercial & industrial drainage when installation costs are considered.
| Cruchsing Strength | ||||
| Joint Type | BS EN 295: 1991 | Bending Moment Resistance (kN/m) | Strength Class | |
| SuperSleve 100 | E | 40 | 2.0 | - |
| SuperSleve 150 | E | 40 | 5.0 | - |
| SuperSleve 225 | E | 45 | 9.0 | 200 |
| SuperSleve 300 | E | 72 | - | 240 |