KNF LABOPORT Mini Diaphragm Vacuum Pump N 811 in Pumps, Compressors
KNF LABOPORT Mini Diaphragm Vacuum Pump N 811 in Pumps, Compressors

KNF LABOPORT Mini Diaphragm Vacuum Pump N 811 in Pumps, Compressors

KNF LABOPORT Mini Diaphragm Vacuum Pump N 811

Series N 811 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. The pumps are available in various versions differing in the materials which contact the media.

Technical features

  1. 100% oil-free transfer
  2. Pure transferring, evacuation and compression of gases
  3. Version for slightly aggressive or corrosive gases and vapours
  4. Maintenance-free
  5. Environmentally friendly
  6. High level of gas tightness
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Description

Type N 811 KN.18 N 811 KT.18
Delivery (l/min)1) 11.5 11.5
Ultimate vacuum (mbar abs.) 240 290
Operating pressure (bar g) 2 2
Connectors for tube (mm) ID 6 ID 6
Permissible gas and ambient temperature +5…+40 °C +5…+40 °C
Mains 230V/50Hz 230V/50Hz
Motor protection IP 20 IP 20
Power P1 65 W 65 W
Operating current 0.8 A 0.8 A
Weight 2.5 kg 2.5 kg
Dimensions L x H x W (mm)
With thermal switch and power fuse		 187/157/90 187/157/90

1) at atm. pressure

Material in contact with the pumped media

Type Pump head Diaphragm Valves
N 811 KN.18 PPS EPDM FPM
N 811 KT.18 PPS PTFE-coated FFPM

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