PTFE multi-laminated tubes, that ensure an absolute minimum porosity and a homogeneous wall-thickness, are transformed under temperature and pressure to special high-quality bellows, with a high vacuum- and pressure resistance, even during a long period. Thanks to this unique design, Vanéflex bellows largely exceed in performance other bellows in the market and they offer you the lowest TCO (total cost of ownership) with a very long product life!

Vanéflex® expansion joints

Key properties

  • High safety
  • High temperature resistance
  • High pressure resistance up to 10 bar or 16 bar (R – HD)
  • High vacuum resistance
  • High flexibility
  • Long life
  • Low permeability
  • Large expansion

Available on demand:

  • Quality certificate according to Pressure Equipment Directive 97/23/EC
  • Conductive PTFE
  • Double wall bellows with cavity safety drain
  • Flanges in 304 inox (1.4301), 316 Ti (1.4571),… with or without 3.1 certificate
  • With non-standard connections
  • Support rings in Monel 400, Hastelloy C3, Hastelloy C4 …
  • Special fittings to avoid distortion on longer bellows
  • Internal anti-deposit sleeve
  • Larger sizes up to ND 900
  • Standard flanges ASA 150 or DIN, others on request.

Materials

PTFE and PTFE compounds

Product support

Vanéflex (1.17 MB)

Material selector

Vanéflex® expansion joints

Key properties

  • High safety
  • High temperature resistance
  • High pressure resistance up to 10 bar or 16 bar (R – HD)
  • High vacuum resistance
  • High flexibility
  • Long life
  • Low permeability
  • Large expansion

Available on demand:

  • Quality certificate according to Pressure Equipment Directive 97/23/EC
  • Conductive PTFE
  • Double wall bellows with cavity safety drain
  • Flanges in 304 inox (1.4301), 316 Ti (1.4571),… with or without 3.1 certificate
  • With non-standard connections
  • Support rings in Monel 400, Hastelloy C3, Hastelloy C4 …
  • Special fittings to avoid distortion on longer bellows
  • Internal anti-deposit sleeve
  • Larger sizes up to ND 900
  • Standard flanges ASA 150 or DIN, others on request.

Materials

PTFE and PTFE compounds