OEM Pumps 

Laboratory Equipment

Process Pumps

Diaphragm Gas Pump

Diaphragm Gas Pumps

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

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Diaphragm Vacuum Pumps and Compressors

General-purpose pumps for various laboratory applications such as vacuum distillation, multiflask filtration, gel drying.

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Diaphragm Gas Pumps and Compressors

Sampling, evacuating and compressing – for tasks like these, KNF offers a wide range of diaphragm pumps and model variants. All the pump types offer media transfer without contamination and are maintenance-free.

Swing Piston Gas Pumps

KNF swing-piston pumps generate oil-free compressed air and vacuums and are characterized by their extremely compact size.

Rotary Evaporator

Rotary Evaporator

Under the spotlight at KNF: What aspects are really key to rotary evaporation in everyday lab practice? What is needed to guarantee simple, economical and reliable process day in day out? There are the questions we used to guide us when developing and implementing the RC 900 and the new RC 600.


Diaphragm Liquid Pumps

These explosion-proof pumps comply with the ATEX 95 (94/09/EG) directive. They are ideal for pumping liquids in explosive atmospheres or transferring flammable fluids.

Diaphragm liquid pump

Diaphragm Liquid Pumps

KNF liquid pumps transfer both neutral and aggressive liquids without contaminating the media; they are self-priming and dry run-proof.


Vacuum Pump Systems

KNF vacuum pump systems are extremely convenient, easy-to-use, chemically resistant devices for vacuum generation in laboratory applications. KNF offers a range of product options to meet different customer requirements.

Dosing pumps

Dosing Liquid Pumps

KNF metering pumps are known for their outstanding chemical resistance and consistent performance.


Vacuum Controller

The new vacuum controller VC 900 makes your application more reliable and safe.

Solenoid diaphragm dosing pumps

Solenoid Diaphragm Dosing Liquid Pumps

KNF magnetic driven dosing pumps are metering pumps that are particularly well suited for dispensing applications.



The chiller is characterised by its compact design and the small footprint. The easy filling of the unit combined with splash-water proofed membrane keyboard are further benefits simplify the daily work.



Accessory parts such as pressure control valves and pulsation dampers round off the OEM pump range.


Diaphragm Liquid Transfer Pumps

With its LIQUIPORT series, KNF can offer a range of easy-to-use laboratory transfer pumps. The use of chemically resistant materials such as PTFE, FFPM, PVDF, etc. enables the pumps to convey virtually any type of liquid. They are dry-running, self-priming and maintenance-free.

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Diaphragm Liquid Dosing Pumps

With its SIMDOS series, KNF offers dosing pumps for laboratory use. They are the ideal solution for accurate, reliable and stable dosing applications. They are small, quiet, dry-running, self-priming and maintenance-free.
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Accessory parts such as pressure control valves and pulsation dampers round off the OEM pump range.