• Rotary Vanes


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Dry-running rotary vane vacuum pumps are often used when a clean, oil-free vacuum is required in industry. For example, in the chemical industry, paper manufacturing, pharmaceutical industry, food processing, in hospitals and in the packaging industry. Here, the rotary vanes are permanently exposed to high loads, which can lead to rapid wear. With innovative carbon-based materials, service intervals and service life can be significantly extended.  

Rotary Vanes

When it comes to extending service intervals of dry-running vacuum pumps, our rotary vanes made of MarathonCarb™ are the first choice. MarathonCarb™ is a self-lubricating carbon-based vane material that minimizes wear of the sliding flanks (scour) as well as vertical wear and does not swell when exposed to humidity.  

Benefit from these advantages:

  • Low wear, therefore up to three times longer service life 
  • High dimensional stability, even in high humidity
  • Intensive advice on the selection of material variants 

In addition to that, Schunk offers materials (including CFRP) for lubricated rotary vane pumps and compressors.  

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