KNF N 920 G Diaphragm Vacuum Pump
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KNF N 920 G Diaphragm Vacuum Pump
The KNF N 920 G Diaphragm Vacuum Pump is a chemically resistant, oil-free laboratory vacuum pump with integrated speed control, allowing precise adjustment of pumping speed to match specific process requirements. Equipped with PPS pump heads, PTFE-coated diaphragms, FFPM valves, and an integrated gas ballast, it is designed for reliable operation with aggressive gases and vapors.
With a maximum flow rate of 21 l/min and an ultimate vacuum of 2 mbar (abs.), the N 920 G delivers high suction speed, especially in the low vacuum range, while maintaining exceptionally quiet operation. Its clean, contamination-free design makes it ideal for sensitive laboratory and analytical applications.
Pump Type: Diaphragm vacuum pump
Model: N 920 G
Manufacturer: KNF
Operation: 100% oil-free, clean vacuum generation
Maximum Flow Rate: 21 l/min
Ultimate Vacuum: 2 mbar (absolute)
Speed Control: Integrated adjustable speed control
Gas Ballast: Integrated
Performance: High suction speed, particularly in the low vacuum range
Noise Level: Exceptionally quiet operation
Chemical Resistance: PPS pump head, PTFE-coated diaphragm, FFPM valves
Typical Applications: Laboratory vacuum processes requiring precise control, clean vacuum, and low noise
Technical Specifications
Flow Rate (max.): 21 l/min
Ultimate Vacuum (max.): 2 mbar (abs.)
Pressure (max.): 0.5 bar (rel.)
Weight: 9.5 kg
Permissible Media Temperature: 5 – 40 °C
Permissible Ambient Temperature: 10 – 40 °C
Valve Material: FFPM
Diaphragm Material: PTFE-coated
Pump Head Material: PPS
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