The KNF N 920 KT.29.18 G for Vapors and Gases
The KNF N 920 KT.29.18 G can be used in a variety of laboratory applications. These include degassing, rotary evaporation, distillation and as a vacuum concentrator.
With this vacuum pump, it has also been possible to achieve a very high pumping speed in a lower vacuum range. At the same time, the pumping capacity can be adjusted by changing the speed.
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The most important details of this high-quality device
The N 920 is a powerful pump, which has a maximum pumping capacity of 1.26 cubic meters per hour. The pumping is 100% oil-free. This allows for unadulterated pumping and evacuation.
The pump can handle slightly aggressive and slightly corrosive gases. Working with the device is environmentally friendly and also maintenance-free. There is a wide range of accessories for this version for easy working with the device.
A brief overview of the technical data
A brief overview of the N 920 diaphragm vacuum pump and its advantages is provided on the basis of the data listed below.
Dimensions
The weight of the device is 8.6 kg. The dimensions of the device are 324 mm x 226 mm x 158 mm. Due to these dimensions, the device can be moved without much difficulty. Thus, working with the pump is very simplified.
Motor
The power consumption of this model is 135 watts. It can automatically adapt to the network with a voltage between 100 and 240 hertz and a frequency between 50 and 60 hertz. The current consumption of the pump is 1.4 amps.
Working range
This model with its working parameters is very well designed for laboratory work. It should be noted that the device must not be located higher than 2000 m above sea level, as this would make it impossible to work. The ambient temperature of the working area must be between +10 °C and +40 °C.
This is in contrast to the permissible temperature of the medium to be pumped, which may range from +5 °C to +40 °C. The relative humidity of the environment should not be higher than 80 % at a temperature of 31 °C during operation. This humidity decreases linearly to 50 % at 40 °C.
Material of the pump head parts
The parts of the device are made of different materials. The pump head is made of PPS. The diaphragm, on the other hand, is PTFE coated and the valves are made of FFPM.
Standard
The model complies with various standards, such as DIN EN 61010-1, DIN EN 61326-1 Class A and DIN EN 50581. Furthermore, the N 920 device complies with the provisions of Directive 2014/30/EU and Directive 2006/42/EC.
The pump has IP protection class 20, which means that the model has protection against foreign bodies larger than 12 mm. However, IP 20 does not provide protection against water.
Powerful and energy-efficient: other models in this series
In addition to the KNF diaphragm vacuum pump presented here, there are also the A920 AP.18 and N920 AP.29.18 vacuum pumps. These two pumps have the same technical specifications.
- Vacuum pump A920 AP.18 and N920 AP.29.18: The materials of the parts, such as the pump head, differ from the presented model. The pump head is made of aluminum and the diaphragm and valve are made of EPDM. Furthermore, these models have a power consumption of the pump of only 120 watts.
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