OTT pipe membranes are available in EPDM (FLEXNORM®) and SILICONE (flexsil®/flexsil +®) versions.

FLEXNORM® -recommended for use in municipal wastewater

  • High-quality raw materials, including biologically resistant plasticiser
  • Long service life of up to 80 °C.
  • Possibility of various perforations

FLEXSIL® -recommended for use in harsh wastewater

  • Working at compressed air temperature up to 110 °C
  • Made of construction materials without plasticisers
  • Fully resistant to Bioszlam, a wide range of chemicals and oils and lubricants

FLEXSIL®+

  • Better non-adhesive behaviour
  • Working at compressed air temperature up to 110 °C
  • Made of construction materials without plasticisers
  • Fully resistant to Bioszlam, a wide range of chemicals and oils and lubricants