PTFE Piston and Guide Rings for Dry Running Compressors
- PTFE – even without lubrication – excels at offering an exceptionally low coefficient of friction in combination with metals and plastics
- PTFE is highly anti-adhesive, without any stick-slip effect
- PTFE has high elongation properties enabling the easy fitting of sealing and guide elements to one-piece pistons
- PTFE – when subject to moderate stress – offers an exceptionally wide (for plastics) thermal operating temperature range depending on the application from -260°C to +260°C
- PTFE is chemically resistant to nearly all solid, liquid, and gaseous media
- PTFE is age-resistant, non-combustible, and physiologically neutral in the state temperature range
Key benefits
- Outstanding dry-running characteristics
- Different joint types available for optimal performance
- Self-clamping piston rings up to 700 mm available
Application areas
- Compressors operating under full and low-lube conditions
- Gas rotary pumps
- Expansion machinery
- Liquid gas and vacuum pumps
- Rotation compressors for loading/unloading of tanks
- Generation of oil-free compressed air
Operating parameters of our piston rings
- Operating temperature from -60°C to 200°C depending on application
- Average piston speed up to 5.2 m/s
- 100 bar max. pressure differences to be sealed
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