Sample Pump Shop

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Welcome to KNF

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.

More about the KNF Group 


KNF gas pumps transfer and compress gases and vapors and generate vacuums without contaminating the media.


KNF liquid pumps transfer and meter both neutral and aggressive liquids without contaminating the media.

Laboratory Equipment

KNF lab pumps, systems and rotary evaporators are used for a wide variety of benchtop laboratory applications where accuracy and chemical resistance are required.