Curaflex® C/M

• Sealing of penetrations
• Use in on-site casing or waterproof concrete core drilling (white tank)
• For several lines

  • Against pressing water
  • Sealing of penetrations
  • Use in on-site pipe sleeve or waterproof concrete core bore (white tank)
  • For multiple pipes
  • Easy assembly thanks to precise dimensions (large standard range)
  • Permanently sealed – no need to re-tension later (maintenance-free)
  • Greater sealing performance of the gasket insert thanks to DOYMA-Grip
  • System component, without cuts or divisions, with water-tight welded bolts
  • Gas and water-tight
  • Bending of medium pipes up to 8º is possible
  • Can accommodate axial movements
  • Twin sealing
  • Certified under FHRK test regulation GE 101 (no. G 30 322-2-2)
  • Frame rings: steel rings, GGV triple corrosion protection coating; optionally made of stainless steel 1.4301 (V2A) or 1.4571/1.4404 (V4A)
  • Rubber seal: elastomer, 2 × 27 mm thick EPDM seals (DOYMA-Grip), optional EPDM-TW, NBR (fuel/oil-resistant) or silicone (high temperature-resistant) or FPM (chemical-resistant)
  • orange centre ring (up to KB/DN 350)
  • Aquagard core bore sealant

Product video

Curaflex® sealing gasket with Double Profile System (DPS)


Implementation of supply and disposal lines through existing walls (masonry) with wall thicknesses from 300 mm to 1650 mm and line diameters from 50 mm to 400 mm. The masonry was provided with a PMBC surface seal. The lines partly in stock and partly in a close arrangement. In addition, the line was close to the base of the building. The project planner's requirement was to create a clean separation between the building and pipe seals.

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