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  1. Home
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  3. ケーエヌエフ・ジャパン KNF JAPAN
Machine elements and parts
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ケーエヌエフ・ジャパン KNF JAPAN

EstablishmentJune 1, 1983
number of employees950
addressTokyo/Chuo-ku/3rd Floor, Across Shinkawa Building Annex, 1-16-14 Shinkawa
phone03-3551-7931
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last updated:Jun 05, 2026
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  • Products/Services(211)
  • catalog(245)
  • news(107)

ケーエヌエフ・ジャパン Company Overview

The success of our customers is what we aim for as a company. That will not change now or in the future.

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.

Business Activities

Development, manufacturing, and sales of diaphragm gas pumps, diaphragm liquid pumps, and diaphragm micro pumps. We provide services across various industries, including medical technology, mechanical engineering, process engineering, and laboratory technologies. Our modular systems offer unparalleled flexibility, ensuring that we meet the specific requirements of each market and application. Quality Commitment We are not only a manufacturer of high-quality pump solutions but also play a role in providing various support and after-sales services that our customers can trust. In addition to production at the highest industry standards at our manufacturing sites in Europe and the United States, we will continue to implement a customer-centric proactive approach to various support and after-sales services worldwide.

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Products/Services (211)

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catalog(245)

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KNF NMP850.1.2KPDC-BI4 NMP850.3KPDC-BI4 Micro Diaphragm Gas Pump

KNF NMP850.1.2KPDC-BI4 NMP850.3KPDC-BI4 Micro Diaphragm Gas Pump

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KNF NMP830.1.2KPDC-B4 HP NMP830.3KVDC-B4 HP Micro Diaphragm Gas Pump

KNF NMP830.1.2KPDC-B4 HP NMP830.3KVDC-B4 HP Micro Diaphragm Gas Pump

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Dosing Pump FD 1.200

Dosing Pump FD 1.200

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NP40 Series Gentle Flow Pump Achieving Precise and Stable Gas Supply

NP40 Series Gentle Flow Pump Achieving Precise and Stable Gas Supply

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news(107)

csm_Kaffee_foodandbevarage_1ed9161586.jpg

Food-grade diaphragm pump that meets strict hygiene standards.

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  • PRODUCT

Ensuring Safety and Hygiene with Food-Grade Diaphragm Pumps In the food and beverage industry, maintaining high hygiene and efficiency standards is extremely important. KNF's food-grade diaphragm pumps are designed to meet these needs, providing a reliable and safe solution for the transfer of gases, liquids, and mixed media. Made from materials compliant with food safety regulations, these pumps maintain product purity and ensure that it is safe for consumption. *The original blog is available in English only.*

Jun 18, 2026

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100,000 hours: KNF diaphragm pumps achieve astonishing longevity.

  • PRODUCT

The exceptional durability of diaphragm pumps is not a coincidence. At KNF, it is thoroughly pursued and designed. With pumps that operate for over 11 years under specified test conditions, OEM manufacturers can enjoy the benefits of reduced failures, cost savings, and improved reliability in critical applications. Ten years is not enough—KNF demonstrates what long-term reliability means. The NMP 850.1.2, proven to withstand 100,000 hours of operation under specified operating conditions, has set a new standard for the lifespan of diaphragm pumps. This groundbreaking achievement is the result of outstanding engineering rooted in product development focused on reliability. A rigorous testing policy ensures that all products meet the highest standards. As a result, pumps have been realized that enable OEM manufacturers to build safer, more efficient, and more durable systems.

Jun 10, 2026

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How to choose the appropriate material for a diaphragm pump.

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Selecting the appropriate material for a diaphragm pump is key to achieving reliable, long-lasting, and contamination-free pump operation. This article explains the points to consider when selecting materials and introduces the most important and commonly used materials. Designing the optimal diaphragm pump for your application is like assembling a jigsaw puzzle. Only when all the pieces fit perfectly does the optimal solution come together. Among these, the selection of materials is an extremely important factor that affects the pump's lifespan, safety, and performance. So, what points should be considered when selecting materials for diaphragm pumps? And what are the reasons for these considerations?

May 20, 2026

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Detailed information

Company name ケーエヌエフ・ジャパン KNF JAPAN
number of employees950
Contact addresspostalcode 104-0033 Tokyo/ Chuo-ku/ 3rd Floor, Across Shinkawa Building Annex, 1-16-14 ShinkawaView on map TEL:03-3551-7931 FAX:03-3551-7932
Key Partners- Medical device manufacturers - Manufacturers of analytical and measurement equipment - Inkjet printer manufacturers - Plant engineering companies - Various universities and research institutions - Pharmaceutical manufacturers - Manufacturers of sterilization and cleaning equipment etc.
Business LocationsClick here for the list
Industry Machine elements and parts
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Please note that the English text on this page is automatically translated and may contain inaccuracies.