KNF LABOPORT diaphragm vacuum pump N 920 KT.29.18 G
The KNF LABOPORT diaphragm vacuum pump N 920 KT.29.18 G is a versatile and powerful vacuum pump that has been specially developed for use in laboratory environments. It is ideal for applications such as degassing, rotary evaporation, distillation and as a vacuum concentrator. This pump is characterized by its high flow rate and its ability to work efficiently even in a low vacuum range. A comparison with the Heidolph Rotavac Vario Tec speed-controlled vacuum pump shows that the KNF LABOPORT N 920 KT.29.18 G stands out in particular due to its oil-free delivery and chemical resistance.
Technical details and advantages
The KNF LABOPORT N 920 KT.29.18 G offers a maximum delivery rate of 1.26 m³/h and operates completely oil-free, which enables unadulterated delivery and evacuation. The pump is capable of pumping slightly aggressive and corrosive gases, making it ideal for use in chemical and biological laboratories. Similar to the KNF LABOPORT SD self-drying vacuum pump N 820.3 FT.40.18, this model is also maintenance-free and environmentally friendly.
Dimensions and weight
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Weight: 8.6 kg
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Dimensions: 324 mm x 226 mm x 158 mm
Motor and power
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Power consumption: 135 watts
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Mains adaptation: 100-240 V, 50-60 Hz
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Power consumption: 1.4 A
Working range
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Maximum height above sea level: 2000 m
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Ambient temperature: +10 °C to +40 °C
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Temperature of the pumped medium: +5 °C to +40 °C
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Relative humidity: max. 80 % at 31 °C, decreasing linearly to 50 % at 40 °C
Materials of the pump head parts
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Pump head: PPS
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Diaphragm: PTFE-coated
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Valves: FFPM
Standards and certifications
- DIN EN 61010-1
- DIN EN 61326-1 Class A
- DIN EN 50581
- Directive 2014/30/EU
- Directive 2006/42/EC
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Protection class: IP 20
Application examples
The KNF LABOPORT N 920 KT.29.18 G is ideal for various laboratory applications:
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Degassing: Removal of dissolved gases from liquids.
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Rotary evaporation: Concentrating solutions by evaporating the solvent.
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Distillation: Separation of liquid mixtures by evaporation and condensation.
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Vacuum concentration: Concentration of samples by evaporation under vacuum.
FAQs
How is the flow rate of the pump set?
The flow rate can be adjusted by changing the speed of the motor.
Is the pump maintenance-free?
Yes, the KNF LABOPORT N 920 KT.29.18 G is maintenance-free.
Which gases can be pumped?
The pump can pump slightly aggressive and corrosive gases.
What protection class does the pump have?
The pump has protection class IP 20, which means that it is protected against foreign bodies larger than 12 mm, but offers no protection against water.
Conclusion
The KNF LABOPORT diaphragm vacuum pump N 920 KT.29.18 G is a powerful and versatile pump that is ideal for use in various laboratory applications. Its oil-free delivery, chemical resistance and maintenance-free operation make it an excellent choice for demanding laboratory environments. Similar models such as the KNF LABOPORT Chemically resistant diaphragm vacuum pump N 820 FT.18 also offer high performance and reliability.
