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  6. Features of KNF Diaphragm Pumps

Features of KNF Diaphragm Pumps

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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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Explanation of the mechanism and features of the KNF diaphragm pump.

- Oil-free - Contamination-free - Maintenance-free - Corrosion resistance - Motor variation - Modular system - Pump customization (project pump)

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Features of KNF Diaphragm Pumps

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  • K.N.F. Japan Official Page
  • Special site - Product/service details - https://pr.mono.ipros.com/knf/product/

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basic information

- Over 90% of KNF's "OEM pumps" for equipment are project pumps customized to meet customer requirements. - Project pumps are subject to RoHS, REACH, CE marking, etc., and we will also provide chemSHERPA data. - Thanks to our modular system, we can offer a single unit without initial costs, with the optimal component configuration. - For project pumps, we will assign a dedicated project number that corresponds to a specific model number at the stage of preparing sample pumps. - The project number ensures confidentiality of pump specifications, traceability after shipment, 5M change management, and strategic pricing.

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Applications/Examples of results

- Medical systems - Biochemical analysis systems - Analytical devices - Inkjet printers - Energy-related, fuel cells - Sterilization equipment - Food-related - Agricultural-related - Others, transfer of gases and liquids using diaphragm pumps

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Features of KNF Diaphragm Pumps

Features of KNF Diaphragm Pumps

TECHNICAL
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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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Vacuum pump for automation technology

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Improvement of efficiency and quality in automation technology through the use of vacuum systems Automation systems equipped with vacuum grippers, also known as vacuum cups, enhance productivity, especially in an era of labor shortages. These systems are ideal for repetitive tasks in manufacturing, quality control, and packaging due to their superiority in maintaining hygienic environments and handling delicate surface treatments. These robots can perform tasks such as picking from unclassified bulk materials, loading and unloading CNC machines, positioning small parts, and packaging products. Additionally, automation can be applied to more complex tasks. NKF vacuum pumps play a central role by providing the necessary suction pressure to enable flexible and precise control.

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Advantages of diaphragm pump technology

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The KNF diaphragm pump, known for its accurate and versatile transfer of liquids and gases, enhances manufacturers' competitiveness by optimizing applications.

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Cavitation in Pumps and How to Avoid It

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Understanding pump cavitation is essential for maintaining pump performance. I will explain the causes of cavitation, its effects, and measures regarding system efficiency, lifespan, and media integrity.

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Comparison of diaphragm pumps and tube pumps

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Regardless of the application, it is difficult to choose the best pump for the job. There are many liquid pump technologies available, but diaphragm liquid pumps and tube pumps (peristaltic pumps) are both commonly used. However, which technology is superior? And what applications are they suitable for? Choosing a pump is challenging due to the many factors to consider and the challenges associated with the diverse pump technologies available. The diaphragm pump and tube pump (peristaltic pump) are frequently adopted as liquid pump technologies. Both types of pumps are used in various applications. Below, we will discuss the advantages and disadvantages of these different pump technologies.

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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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