by ElringKlinger Kunststofftechnik GmbH

Spring Energized Seals for Thermo Management Valves

  • Temperature range depending on application from -40°C to +140°C
  • Outstanding dry-running characteristics
  • Low wear and low friction
  • No stick-slip even with low sliding speeds
  • No volumetric chance by swelling or shrinkage
  • Maximum design freedom
  • „Plug-and-Place“-sealing solution
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Our spring energized seals – Highly efficient control of cooling circuits

Dynamic applications that are required to function without lubrication put a greater emphasis on seal design and the materials being used.  Especially in the case of dry running seals which are subject to high temperature and high pressure conditions,  MoldflonTM-PTFE serves to efficiently seal circuits and achieves efficient  performance and a long service life.

Advanced polymer technology combined with many years of practical experience allow our team of engineers to  select the correct combination of material and seal geometry for the application in question.

Our seals meet requirements for lifelong leak tightness, safety and functionality under a wide range of operating conditions for maximum performance and longevity.

Key benefits

  • Outstanding dry-running characteristics
  • Low wear
  • Low friction
  • Variable friction conditions through choice of spring characteristics
  • Extremely low breakaway forces even after prolonged down times
  • No stick-slip even with low sliding speeds
  • High dimensional stability
  • High chemical and thermal resistance
  • No volumetric chance by swelling or shrinkage
  • Good cost benefit ratio
  • Very good wiping effect
  • Maximum design freedom
  • „Plug-and-Place“-sealing solution combining static and dynamic sealing functionality in one piece

Application areas

  • Control valves for cooling systems in hybrid vehicles
  • Combinations of static and dynamic sealing functionalities

Operating parameters

  • Temperature range of -40°C to +140°C
  • Tolerance compensation of up to 0.7 mm
  • Pressure: max. 3 bar
  • 300,000 km life span

 

Manufacturing Readiness (MRL)

Technology Readiness (TRL)

Min Ambient Temperature (in °C)

Max Ambient Temperature (in °C)

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    ElringKlinger Kunststofftechnik GmbH

    Innovations in high-performance plastics - for over 50 years, ElringKlinger Engineered Plastics has been one of the technology leaders for seals, engineering design elements, assemblies and modules. At ElringKlinger, innovation always starts with the material. Due to in-house materials development and compounding, Polytetraflon™-PTFE materials and Moldflon™-thermoplastic materials can be customized. Optimal performance for our customers is achieved not only by means of component optimizations using the Finite Elements Method (FEA) but also by selecting suitable materials.

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