2. FREE FLOATING PISTON™

3. Introduction Incentives Increasing availability
Three years of continuous operation
Demand for non-lube compressors
Rider ring wear unpredictable
Elimination spare compressor requirement
Desire to decrease maintenance costs

4. FFP™ development goal Non-lubricated cylinder
Increased availability: No rider ring wear
Possibility of retrofitting
Fail Safe

5. Free Floating Piston™: cylinder gas flow

6. Free Floating Piston™: piston gas flow

7. Free Floating Piston™: rider ring gas flow

8. Field application: Pressure between piston rings

9. Free Floating Piston™: piston detail

10. Features Rider rings between piston rings
Bearing profile and gas flow nozzles
Valves in Piston
Patented

11. Dynamic test facilities

12. Results after 18,000 running hours
No rider ring wear
Piston ring wear decreased by factor 10
Reduced maintenance cost
Lower sound level

13. Field application: Noise production

14. Maintenance costs (typical)

15. Reference list

16. Key advantages No rider ring wear
Increased lifetime of piston rings and stuffing box
No lube oil pollution
Lower sound level
Increased availability and reliability
Lower power requirement
Reduced maintenance costs
Suitable for existing compressors
Fail safe

17. As a service technology centre
Thomassen Compression Systems bv
As a service technology centre
TCS Service Department is your partner for specialist services on your valuable reciprocating- and rotating equipment