N 86KN.18 – Mini Diaphragm Vacuum Pumps

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Series N 86 diaphragm pumps are single-head, dry-running devices used in a wide range of laboratory applications. They transfer, compress and pump down without contamination. The heart of these very compact pumps is a KNF structured diaphragm. This patented diaphragm was stress-optimized using the Finite Elements method. As a result, we were able to make the pumps smaller while increasing the service life of the diaphragm


  • 100% oil-free transfer
  • Pure transferring Evacuation and compression of gases
  • Version for slightly aggressive or corrosive gases and vapours
  • Maintenance-free
  • Environmentally friendly
  • High level of gas tightness


  • Delivery (l/min)1) : 6
  • Ultimate vacuum (mbar abs.) : 100
  • Operating Pressure (bar g) :2.4
  • Connectors for tube (mm): ID 4
  • Permissible gas and ambient temperature: +5..+40°C
  • Mains : 230V/50Hz
  • Motor Protection: IP 20
  • Power P1 :60W
  • Operating Current: 0.6A
  • Weight: 1.9KG

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