- Inlet Guide Vane, Inlet / Discharge Dampers, Butterfly Dampers
- Rainhoods, inlet screens, filters and sand trap, to be placed on air intakes on inlet stacks for suction protection againts rain, sand, insects...
- Venturi flow meters
- Silencers
- Guillottine/ Isolation dampers
- Check dampers
- Anti-backflow valve
- dampers