Double Profile System

Curaflex® C 40

• Sealing of penetrations
• Use in on-site casing or waterproof concrete core drilling (white tank)
• Extra wide soft EPDM rubber, ideal for plastic jacket pipes

  • Against pressing water
  • Sealing of penetrations
  • Use in on-site pipe sleeve or waterproof concrete core bore (white tank)
  • Extra wide soft EPDM rubber, ideal for plastic jacket pipes
  • Extra wide and soft EPDM rubber seals for especially gentle sealing on the media pipe
  • Ideal for most plastic jacket pipes (district heating)
  • Easy assembly thanks to precise dimensions
  • Permanently sealed – no need to re-tension later (maintenance-free)
  • Greater sealing performance of the gasket insert thanks to DPS
  • System component, without cuts or divisions, with water-tight welded bolts
  • Can be used for twin/element walls
  • 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: asymmetrically profiled steel rings (DPS to KB/DN 350), GGV triple corrosion protection coating; optionally made of stainless steel 1.4301 (V2A) or 1.4571/1.4404 (V4A)
  • Rubber seal: elastomer, 2 × 40 mm thick EPDM seals
  • 3 mm thick orange centre ring (up to KB/DN 350)
  • Aquagard core bore sealant


The name for DOYMA’s two-sided, asymmetrical profiling of the steel rings on the inside of the gasket inserts.

Product video

Curaflex® sealing gasket with Double Profile System (DPS)


Renewal of shaft structures on the premises of Deutsche Airbus. In particular, the pressure-water-tight partitioning of media pipes within core holes.

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