PTFE Piston and Guide Rings for Dry Running Compressors

ElringKlinger Kunststofftechnik GmbH

  • Chemical and thermal resistance to virtually all media used in hydraulics, pneumatics, and technical gas applications
  • The operating temperature range of these guide rings depends on application from -60°C to +200°C
  • Suitable for use with no-hardened contact surfaces
  • High bearing capacity, pressure resistance, and low wear
  • No stick slip even with low sliding speeds and high transverse loads

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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
Brand ElringKlinger Engineered Plastics
Manufacturing Readiness (MRL) 0
Technology Readiness (TRL) 0
Max Ambient Temperature (in °C) 200
Min Ambient Temperature (in °C) -60
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