KNF Diaphragm Pumps

Durable, energy-efficient and powerful – KNF diaphragm pumps are at the heart of our customers´ systems. They are designed to handle even the most aggressive gases, liquids, and vapors.

More about Diaphragm pumps

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In our product section, you can find the pump for your needs. Simply filter by your requirements and please do not hesitate to contact us if we can help you.

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KNF – At the Forefront of Technology

KNF delivers quality engineering, meticulous design, and outstanding innovation. We are an independent family-owned company, and are dedicated to providing tailor-made diaphragm pump solutions for the most demanding applications. Our customers value KNF as a reliable partner every step of the way.

We offer comprehensive advice and customer service to help you make the best possible decisions, whether you are trying to choose the perfect materials and components or speed up the start of serial production. We are an engineering-driven company and love to make things work as much as you do.

Easy and Fast: KNF Online Sample Shop

KNF now offers you a broad range of samples that can be purchased directly online. Pay via Creditcard and have our product shipped to you to tinker with and discover what sets KNF pumps apart. Create an account within minutes and see our prices and ordering options right away.

Discover Shop

Popular Sample Pumps:

FP 70 Liquid Diaphragm Pump

Low pulsation, quiet, self-priming and run-dry-safe

Flow rate: 0.7 l/min
Pressure (max): 2 bar (rel.)
Suction height (max): 3 mH₂O

Applications: Medical equipment, inkjet printing, etc.

Click here for detailed specifications and 3D CAD models. Order a sample; our technical support will help you find the perfect solution.

In stock, order now

NMP 03 Micro Gas Pump

Highly efficient, low vibration, ideal for handheld devices

Flow rate: 0.33 l/min
Pressure (max): 0.33 bar (rel.)
Vacuum (max): 600 mbar (abs.)

Applications: Medical devices, industrial hygiene, environmental, etc.

Click here for detailed specifications and 3D CAD models. Order a sample; our technical support will help you find the perfect solution.

In stock, order now

NMP 850.1.2 HP Micro Gas Pump

High flow, deep vacuum in a small footprint

Flow rate: 15 l/min
Pressure (max): 2.2 bar (rel.)
Vacuum (max): 50 mbar (abs.)

Applications: Medical and environmental, etc.

Click here for detailed specifications and 3D CAD models. Order a sample; our technical support will help you find the perfect solution.

In stock, order now

KNF: Building Blocks for Customized Solutions

One size does not fit all. The modular design of our products and solutions allows our engineers to build each pump from individual key components that have been meticulously tested and proven. We collaborate closely with our customers throughout the entire development process – from the initial idea to the final result – to create the best solution for each specific application.