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  6. KNF FP7 Series FP25 Pulsation Mitigation Diaphragm Liquid Pump

KNF FP7 Series FP25 Pulsation Mitigation Diaphragm Liquid Pump

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last updated:Nov 28, 2025

ケーエヌエフ・ジャパン KNF JAPAN
ケーエヌエフ・ジャパン KNF JAPAN
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Pulsation-reducing liquid pump, a diaphragm liquid pump that significantly reduces pulsation generated during pump suction and discharge.

We have reviewed the design of the pump itself as a liquid pump for pulsation reduction measures. Previously, pulsation reduction was achieved using dampers, but now the pump itself significantly suppresses pulsation. - FP7 Series / FP25 Series The pulsation reduction damper has been integrated with the pump. Two types are available: brushed DC motors and brushless DC motors. Digital customization is also possible with the brushless DC motor.

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fp7.jpg

KNF FP7 Series FP25 Pulsation Mitigation Diaphragm Liquid Pump

fp7.jpg
fp7.jpg fp1_25.png fp7.jpg fp25.png
  • Related Link - https://knf.com/ja/jp
  • Special site - Product/service details - https://pr.mono.ipros.com/knf/product/

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basic information

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Applications/Examples of results

- Inkjet printer - Medical equipment - Analytical device - Sterilization and disinfection related, etc.

catalog(21)

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Cavitation in pumps and how to avoid it

Cavitation in pumps and how to avoid it

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Interaction between pump fluid systems

Interaction between pump fluid systems

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Pump for DOD drop-on-demand printer

Pump for DOD drop-on-demand printer

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Comparison of diaphragm pumps and gear pumps

Comparison of diaphragm pumps and gear pumps

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What is a pulsation damper and how does it work?

What is a pulsation damper and how does it work?

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KNF Pulsation Dampening Damper FPD

KNF Pulsation Dampening Damper FPD

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KNF FK1.1100 Pulsation Dampening Liquid Pump

KNF FK1.1100 Pulsation Dampening Liquid Pump

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KNF FP150 Pulsation Dampening Liquid Pump

KNF FP150 Pulsation Dampening Liquid Pump

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Water-based ink technology has evolved in inkjet printing.

Water-based ink technology has evolved in inkjet printing.

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KNF FK1100 Pulsation Dampening Liquid Pump

KNF FK1100 Pulsation Dampening Liquid Pump

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KNF FM50 Quantitative Liquid Delivery Pump

KNF FM50 Quantitative Liquid Delivery Pump

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KNF FP70 Pulsation Dampening Liquid Pump

KNF FP70 Pulsation Dampening Liquid Pump

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KNF FP400 Pulsation Dampening Liquid Pump

KNF FP400 Pulsation Dampening Liquid Pump

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KNF FP7 Pulsation Dampening Liquid Pump

KNF FP7 Pulsation Dampening Liquid Pump

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KNF FP25 Pulsation Dampening Liquid Pump

KNF FP25 Pulsation Dampening Liquid Pump

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KNF FP1.7 Pulsation-Damping Liquid Pump High Discharge Type

KNF FP1.7 Pulsation-Damping Liquid Pump High Discharge Type

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KNF FP1.25 Pulsation-Damping Liquid Pump High Discharge Type

KNF FP1.25 Pulsation-Damping Liquid Pump High Discharge Type

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KNF FP1.70 Pulsation-Damping Liquid Pump

KNF FP1.70 Pulsation-Damping Liquid Pump

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KNF FP1.150 Pulsation Reduction Liquid Pump

KNF FP1.150 Pulsation Reduction Liquid Pump

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KNF FP1.400 Pulsation Dampening Liquid Pump

KNF FP1.400 Pulsation Dampening Liquid Pump

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KNF FP2.150 High Flow Pulsation Dampening Liquid Pump

KNF FP2.150 High Flow Pulsation Dampening Liquid Pump

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News about this product(16)

Improvement of cooling lubrication system accuracy

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The Dosimetrix hybrid cooling lubrication system utilizes the GentleFlow diaphragm pump manufactured by KNF, ensuring reliable and precise mixing and supply of lubricants in metalworking machines. The latest metalworking machines are driving smart manufacturing and play a central role in Industry 4.0. These machines rely on intelligent cooling lubrication systems to achieve maximum efficiency, high precision, and high-performance processing. To achieve optimal mixing and metered supply of cooling lubricants, BRISCO Systems' "Dosimetrix hybrid" employs KNF's diaphragm liquid pump, delivering the necessary performance while minimizing pulsation and providing accurate and gentle fluid flow.

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The "Nautilus Fluidics" simulation application is now available for your use.

  • Company news

KNF's web-based software application "Nautilus" helps customers digitally simulate fluid systems and identify optimal gentle flow pump solutions. Nautilus is now available for testing by customers at KNF.com. By using this web-based fluid simulation application, users can recreate their systems digitally and compare the performance of various gentle flow pumps before integration. Fluid simulation software supports more efficient pump selection. With a simple drag-and-drop interface, customers can build simulations of their systems using components such as pumps, reservoirs, valves, and filters. By adding values relevant to their application, they can replicate actual operating conditions and assist in more accurate pump selection. "Nautilus" is compatible with KNF's gentle flow pumps. Nautilus can shorten the pump selection process through early and easy digital testing, reducing the need for physical testing and on-site support.

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The "Nautilus Fluidics" simulation application is now available for your use.

  • Product news

KNF's web-based software application "Nautilus" helps customers digitally simulate fluid systems and identify optimal gentle flow pump solutions. Nautilus is now available for testing by customers at KNF.com. By using this web-based fluid simulation application, users can recreate their systems digitally and compare the performance of various gentle flow pumps before integration. Fluid simulation software supports more efficient pump selection. With a simple drag-and-drop interface, customers can build simulations of their systems using components such as pumps, reservoirs, valves, and filters. By adding values relevant to their application, they can replicate actual operating conditions and support more accurate pump selection. "Nautilus" is compatible with KNF's gentle flow pumps. Nautilus can shorten the pump selection process and reduce the need for physical testing and on-site support through early and easy digital testing.

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Whether it's turbulence or calm. It's up to you to decide.

  • Product news

From high-resolution inkjet printers to life-saving devices, KNF's advanced flow technology delivers smooth, turbulence-free performance in situations where precision is everything. Gentle Flow Pump – A groundbreaking product in diaphragm pump innovation KNF's Gentle Flow series employs two advanced design techniques to achieve minimal pulsation. One is a design that uses an internal damper integrated within the pump to absorb pressure fluctuations. The other is a design that connects up to five diaphragms in parallel, operating each with a phase difference to smooth the flow. Both configurations minimize vibration and noise, enabling precise flow control through a built-in brushless DC motor.

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Companynews list (125)

Company information

ケーエヌエフ・ジャパン

ケーエヌエフ・ジャパン KNF JAPAN

Machine elements and parts

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KNF was founded by Kurt Neuberger in 1946 in Freiburg, Germany (Freiburg im Breisgau). Since then, we have been a family-owned independent company providing our customers with security and stability. Over the years, we have achieved steady growth and expanded our business globally while accumulating experience. Currently, with 17 subsidiaries worldwide, we continue to deepen our expertise in various industries and advance the expansion of product applications. As a company specializing in the development, design, manufacturing, and sales of diaphragm pumps and gas and liquid handling systems, we have established our position globally as a provider of customer-oriented solutions to address challenges. Innovation means having an open attitude towards new approaches and various methods, and appropriately judging and identifying what will be needed for the future. By bringing together expertise from various engineering fields, including mechanical engineering, materials, fluid engineering, electronics, and software, we strive to find optimal and smart solutions for all applications, not only for our customers' current needs but also for their future requirements.

Product/Service List (211)

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