KNF LABOPORT N 820 G Diaphragm Vacuum Pump
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KNF LABOPORT N 820 G Diaphragm Vacuum Pump
The KNF LABOPORT® N 820 G Diaphragm Vacuum Pump is a chemically resistant, oil-free laboratory vacuum pump featuring manual speed control for precise adjustment of pumping capacity to match specific applications. Designed for safe handling of extremely aggressive and corrosive gases and vapors, it incorporates PTFE/TFM pump heads, PTFE-coated diaphragms, FFPM valves, and an integrated gas ballast to improve vapor handling performance.
With a maximum flow rate of 20 l/min and an ultimate vacuum of 6 mbar (abs.), the N 820 G delivers clean, reliable vacuum generation in demanding laboratory environments. The pump is ATEX compliant for internal atmospheres, making it suitable for applications involving flammable or hazardous gases while maintaining compact, quiet, and maintenance-friendly operation.
Pump Type: Diaphragm vacuum pump
Model: LABOPORT® N 820 G
Manufacturer: KNF
Operation: 100% oil-free, clean vacuum generation
Maximum Flow Rate: 20 l/min
Ultimate Vacuum: 6 mbar (absolute)
Speed Control: Manual adjustable speed
Gas Ballast: Integrated
Chemical Resistance: PTFE/TFM pump head, PTFE-coated diaphragm, FFPM valves
ATEX Compliance: (Ex) II 2/-G IIB+H₂ T3 (internal atmosphere only)
Suitable Media: Extremely aggressive and corrosive gases and vapors
Design: Compact, quiet, and reliable
Typical Applications: Laboratory vacuum processes involving corrosive or hazardous vapors
Technical Specifications
Flow Rate (max.): 20 l/min
Ultimate Vacuum (max.): 6 mbar (abs.)
Pressure (max.): 0.1 bar (rel.)
Weight: 8.8 kg
Permissible Media Temperature: 5 – 40 °C
Permissible Ambient Temperature: 5 – 40 °C
Valve Material: FFPM
Diaphragm Material: PTFE-coated
Pump Head Material: PTFE / TFM
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Professional guidance for product selection
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Always available technical assistance