KNF Medizintechnik

KNF gas & liquid pumps

We are aware of the responsibility that comes with manufacturing gas and liquid pumps for medical devices. For decades, our tailored solutions have been indispensable components of the devices supplied by leading global manufacturers.

KNF Einsatzgebiete

Applications for KNF gas and liquid pumps

Diagnosis: analysis & diagnostics

  • Devices for invasive or non-invasive examinations
  • Processing procedures for liquid samples in the clinical laboratory
  • and many more

Treatment: preparation, procedure, monitoring, follow-up care

  • Preparation and care of surgical instruments
  • Surgical procedures including patient monitoring
  • Irradiation technology
  • Wound management
  • Machine-aided intensive care
  • Device technology for follow-up care
  • and many more
Kompetenz fürs Leben

Precision right
from the start

State-of-the-art medical device technology is a pillar of medical expertise. Therefore it is vitally important that these products work precisely and reliably. As suppliers of gas and liquid pumps for a broad range of medical devices we take this responsibility seriously. KNF pumps perform demanding tasks – they reliably transfer both gaseous and liquid media, and generate vacuum and pressure with precision.

Our highly skilled and experienced employees work meticulously to find the best possible solution for your challenge, always supported by our Product Centers in Germany and Switzerland. You can count on us every step of the way, from providing you with sample pumps to developing prototypes to series production. We also fully support subsequent generations of devices in order to ensure continuous improvement.

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KNF – your partner for custom-fit solutions that move you forward

Most recent innovations

N 96

  • Flow rate: max. 8.5 l/min
  • Ultimate vacuum: max. 130 mbar abs.
  • Operating pressure: max. 2.5 bar rel.
  • Copes well with vapor and condensation
  • The pump can start against the entire pressure and vacuum
  • Brushless DC motor for custom-fit rotational speed control
  • Low operating costs and reduced heat emissions from the pump thanks to efficient motor
  • Extended temperature range for ambient temperatures up to 50 °C and media temperatures up to 70 °C
  • High level of gas tightness: 6 x 10-3 mbar x l/s according to type examination

NMP 850 HP

  • Flow rate: max. 16 l/min
  • Ultimate vacuum: 200 mbar abs.
  • Operating pressure: 2.5 bar rel.
  • Long product life
  • High pneumatic performance
  • Compact size
  • Can operate in any installed position
  • High condensate resistance
  • One pump for vacuum and pressure application

FP 150

  • Flow rate: max. 1.5 l/min
  • Suction height: max. 2.7 mH2O
  • Pressure head: 20 mH2O
  • Low pulsation
  • Excellent linearity
  • Self-priming and can run dry
  • Gentle conveying of sensitive media
  • Long lifetime, no maintenance
  • Able to transfer aggressive media
  • IP 65

KNF modular system

How we collaborate to optimize your pump

Every application is different and some are one of a kind. Our modular system is designed to give you a high degree of flexibility, speed and reliability. You can be sure that every gas and liquid pump supplied by KNF will exactly meet your requirements, no matter how complex or unusual these might be. This includes a broad range of accessories. We work closely with you to design customized project pumps that give you a competitive edge in your target market. From its configuration to its testing conditions and packaging as well as customized warehouse and logistics concepts – your project pump is tailored to your particular needs.

Series models – the first step to customized pumps

KNF offers a range of 70 series models designed for handling gases and liquids. The performances of these are described in our data sheets.

The KNF modular system for creating customized pumps

It is easy to tailor every series model to meet application-specific requirements by selecting and combining a variety of options. These range from the material used to make the pump components that come into contact with the media, to the drive and the mechanical elements such as the circuit points and connections. The configurations created by the KNF modular system are based to tried and tested individual components, meaning that developing customized pumps is quick and inexpensive.

Project pumps – precisely designed for the application

We support your development project by providing you with sample pumps quickly and easily. In consultation with you, our employees from the sales, engineering, and product management divisions determine the modifications to be made to the product’s standard technical parameters.