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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

KTW, DVGW and WRAS certified

KTW, DVGW and WRAS certified

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 -
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