About us

KNF develops, produces and distributes high-quality diaphragm pumps and systems for gases, vapors and liquids. They are available as built-in pumps for OEM use as well as for process applications and laboratory use. The independent KNF Group comprises 15 companies and five production sites worldwide.

Products and services

Gas Pumps: KNF gas pumps transfer and compress gases and vapors and generate vacuums without contaminating the media. Liquid Pumps: KNF liquid pumps transfer and meter both neutral and aggressive liquids without contaminating the media. Laboratory Equipmenmt: KNF lab pumps, systems and rotary evaporators are used for a wide variety of benchtop laboratory applications where accuracy and chemical resistance are required.

N 922 diaphragm pump


The N 922 gas sampling pump is chemically resistant, making it suitable for use with very aggressive gases. Since it is intended for use in gas analysis equipment, the diaphragm pump has been designed to be especially durable. To allow condensate to be discharged, the compressor housing can be moved in increments of 90 degrees separately from the motor in order to be positioned as required. The motor meets IP55 standards.

Further reading

NMP 03 micro-diaphragm gas sampling pump

NMP 03 – Optimally streamlined for portable, battery operated devices

KNF’s micro gas sampling pump NMP 03 offers outstanding performance in terms of power consumption, suction speed and linearity. Ideal for medical and safety-related applications. With a minimum length of 24 mm, KNF’s latest diaphragm gas pump is setting new standards when it comes to compact design. Weighing only 11 grams, the NMP 03 is also truly lightweight. This makes the pump’s performance data even more impressive

Further reading

KNF Neuberger GmbH
Alter Weg 3
79112 Freiburg

Phone: +49 7664 59090
Internet: www.knf.de
E-mail: Send message

Contact person

Oleg Rygin
Area Sales Manager
Phone: +49 7664 5909687
E-mail: Send message

Click here if you notice an image that violates copyright or privacy rights.

Get in contact

We use cookies and the web analysis tool Matomo in order to optimally design and continuously improve our website for you. By continuing to use our website, you agree to this. Further information and an objection possibility can be found here: Data protection