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  6. FP70 Series Diaphragm Liquid Pump for Fuel Cells

FP70 Series Diaphragm Liquid Pump for Fuel Cells

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FP70 GENTEL FLOW DIAPHRAGM LIQUID PUMP

last updated:Dec 16, 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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A liquid pump that suppresses pulsation and optimizes fuel supply.

In the fuel cell industry, a stable supply of fuel is essential for efficient energy conversion. In particular, pulsation in fuel supply can potentially degrade system performance. The FP70 series diaphragm liquid pump helps support the efficient operation of fuel cell systems by reducing pulsation and enhancing the stability of fuel supply. 【Usage Scenarios】 - Fuel supply for fuel cell systems - Fuel supply to fuel cell stacks 【Benefits of Implementation】 - Stable fuel supply with minimal pulsation - Improved system efficiency - Reduced pressure loss in tubes

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FP

FP70 Series Diaphragm Liquid Pump for Fuel Cells

FP 70 KPDC iso.png
FP 70 KPDC iso.png FP 70 KPDC.51 NSF Version.png FP 70 KPDCB-4B front.png
  • Related Link - https://knf.com/ja/jp/%E3%82%BD%E3%83%AA%E3%83%A5%…
  • Special site - Product/service details - https://pr.mono.ipros.com/knf/product/

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basic information

**Features** - Liquid transfer with reduced pulsation due to pulsation reduction function - Flow adjustment through brushless motor control - Equipped with newly developed valve, allowing self-priming even at reduced motor speeds - Materials certified by NFS are also available - Diaphragm materials: EPDM / PTFE **Our Strengths** KNF specializes in the development, manufacturing, and sales of diaphragm pumps, providing solutions that address customer challenges. With years of experience and technical expertise, we contribute to the performance improvement of fuel cell systems.

Price range

P2

Delivery Time

Please contact us for details

※Made-to-order demonstration pump available.

Applications/Examples of results

- Inkjet printer - Medical devices, biochemical testing equipment - 3D printer - Fuel cell system - Solvent transfer-related etc.

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Model number overview
FP70 Pulsation-reducing liquid pump

catalog(18)

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KNF OEM Catalog

KNF OEM Catalog

CATALOG
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Recent technical challenges of ink supply systems and the latest diaphragm pumps by KNF.

Recent technical challenges of ink supply systems and the latest diaphragm pumps by KNF.

TECHNICAL
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KNF Liquid Pump Corrosion Resistance Table

KNF Liquid Pump Corrosion Resistance Table

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KNF FP70 Pulsation Dampening Liquid Pump

KNF FP70 Pulsation Dampening 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 FP1.150 Pulsation Reduction Liquid Pump

KNF FP1.150 Pulsation Reduction Liquid Pump

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KNF FK1100 Pulsation Dampening Liquid Pump

KNF FK1100 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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Cavitation in pumps and how to avoid it

Cavitation in pumps and how to avoid it

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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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Interaction between pump fluid systems

Interaction between pump fluid systems

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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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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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KNF FM50 Quantitative Liquid Delivery Pump

KNF FM50 Quantitative Liquid Delivery Pump

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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.

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