Eschbach WELLDUR
Flexible riser main
For water retrieval from boreholes with a submersible pump, mine dewatering and industrial applications. Circular woven jacket out of 100 % high tenacity polyester yarn with thermoplastic Polyurethane liner and cover manufactured using the „Through-the-weave-extrusion-process“.
Advantages
- Easier maintenance and handling compared to inflexible installations
- High abrasion resistance
- Low friction loss due to smooth surface
- Cold-resistant up to – 40°C
- Heat-resistant up to + 50°C
- Easy cleaning and disinfection
- High resistance to aeging, weathering, ozone and UV
Approvals
- KTW-Approval
- DVGW W270
- BS 6920-1:2000 (WRAS)
Services
- Riser main coupling system available on request
- Individual marking available
- Other diameters on request
- Available in lengths up to 1000 m, depending on diameter
Colors
Technical specifications
| Diameter Zoll/(mm) | Weight (g/m) | Wall Thickness (mm) | Working pressure (bar) | Burst pressure (bar) |
|---|---|---|---|---|
| 2" (52) | 574 | 3,2 (Toleranz +/- 0,2 mm) | 25 | 70 |
| 3" (75) | 874 | 3,2 (Toleranz +/- 0,2 mm) | 25 | 60 |
| 4" (102) | 1174 | 4,0 (Toleranz +/- 0,2 mm) | 25 | 60 |
| 6" (152) | - | - | On request | - |