- Liner: EPDM, Perbunan or Butyl
- Reinforcement: Synthetic fibre
- Flanges: Oval press-on retaining flanges with stabilising collar and hinge restraints
- Colour Code: EPDM-Orange, Perbunan-Red, Butyl-White
- Pivot for joint bars is located at the centre point of the bellows.
- The hinge restraints control the bellows movement.
- For compensating angular movements
- As a double or triple joint compensation system for large movements
- Power station technology
- Process plant engineering
- Vacuum support ring
- Internal guide sleeve