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  6. KNF NMP850 DC-BI Series Micro Diaphragm Pump

KNF NMP850 DC-BI Series Micro Diaphragm Pump

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NMP850 DC-BI SERIES MICRO DIAPHRAGM GAS PUMPS

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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Integration of pump and motor, downsizing compared to conventional products, and improved durability. The long-selling micro gas pump NMP850 series.

- Customization is possible according to technical challenges. - Maintenance-free, contamination-free - High pump performance with a compact design - Long lifespan design, high durability - Variable flow rate (brushless motor) *Optional - No restrictions on installation direction Basic flow rate: 4.2 l/min Achievable vacuum level: 230 mbar abs Maximum allowable discharge pressure: 2.5 bar

    Other pumps
NMP850K_DC-B_I.jpg

KNF NMP850 DC-BI Series Micro Diaphragm Pump

NMP850K_DC-B_I.jpg
NMP850K_DC-B_I.jpg
  • 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

For detailed information, please search for "NMP850 DC-BI" at the URL below.

Price range

P2

Delivery Time

Please contact us for details

※Made-to-order production

Applications/Examples of results

- Medical devices, biochemical testing equipment - Analytical instruments - Environmental measurement - Inkjet printers - Degassing equipment - Portable devices etc.

Detailed information

  • NMP850KPDCB-2_KM54.png

    Brushless motor specifications

  • NMP850.1.2KPDCB_KM54_ohne

    Double head specification (parallel connection), series connection is also possible as an option.

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Model number overview
NMP850 Micro diaphragm gas pump

catalog(19)

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KNF diaphragm pump essential for degassing treatment

KNF diaphragm pump essential for degassing treatment

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A Path to Cleaner Air: KNF Pumps in Fine Particle Exhaust Gas Management

A Path to Cleaner Air: KNF Pumps in Fine Particle Exhaust Gas Management

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KNF NVC830 - Dual Head Vacuum Control Micro Diaphragm Gas Pump

KNF NVC830 - Dual Head Vacuum Control Micro Diaphragm Gas Pump

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Silencer for micro pumps

Silencer for micro pumps

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KNF NMP820 Series Micro Diaphragm Gas Pump

KNF NMP820 Series Micro Diaphragm Gas Pump

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KNF NMP820.1.2 / .3 Series Micro Diaphragm Gas Pump

KNF NMP820.1.2 / .3 Series Micro Diaphragm Gas Pump

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Silencer for micro pumps

Silencer for micro pumps

TECHNICAL
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KNF NMP830 Series Micro Diaphragm Gas Pump

KNF NMP830 Series Micro Diaphragm Gas Pump

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KNF NMP830HP Series Micro Diaphragm Gas Pump

KNF NMP830HP Series Micro Diaphragm Gas Pump

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KNF NMP850 Series Micro Diaphragm Gas Pump

KNF NMP850 Series Micro Diaphragm Gas Pump

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KNF NMP850HP Series Micro Diaphragm Gas Pump

KNF NMP850HP Series Micro Diaphragm Gas Pump

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KNF NMP830 DC-BI Series Micro Diaphragm Gas Pump

KNF NMP830 DC-BI Series Micro Diaphragm Gas Pump

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KNF NMP830 DC-BI HP Series Micro Diaphragm Gas Pump

KNF NMP830 DC-BI HP Series Micro Diaphragm Gas Pump

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KNF NMP850 DC-BI Series Micro Diaphragm Gas Pump

KNF NMP850 DC-BI Series Micro Diaphragm Gas Pump

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KNF NMP850 DC-BI HP Series Micro Diaphragm Gas Pump

KNF NMP850 DC-BI HP Series Micro Diaphragm Gas Pump

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KNF NMP830.1.2 NMP830.3 Micro Diaphragm Gas Pump

KNF NMP830.1.2 NMP830.3 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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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 NMP850.4KVDC-B4 HP / NMP850.7KPDC-B4 HP / NMP850.8KVDC-B4 HP

KNF NMP850.4KVDC-B4 HP / NMP850.7KPDC-B4 HP / NMP850.8KVDC-B4 HP

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News about this product(17)

All pickups leveled up: Electric diaphragm vacuum pump for pick-and-place systems.

  • Product news

In pick-and-place systems that use vacuum grippers, all operations depend on stable vacuum performance. KNF's electric diaphragm vacuum pumps generate vacuum directly where needed, eliminating the need for compressed air infrastructure, resulting in a compact, reliable, and energy-efficient system. Designed to meet the needs of modern pick-and-place automation, the demands on vacuum systems are increasing due to shorter cycle times, format changes, and the requirement for stable operation 24/7. KNF's pumps assist engineers in achieving the following: - Improving throughput without compromising accuracy - Designing compact, flexible, and decentralized systems - Reducing energy consumption and operational costs - Maximizing system uptime

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Composition of the pump head: Effects on flow rate and vacuum performance

  • Product news

The performance of a diaphragm pump is greatly influenced by the configuration of the pump head. Let's learn how various configurations affect flow rate, vacuum level, and overall performance, as well as how to choose the optimal configuration for your application. The optimal pump head configuration is determined by the required flow rate and vacuum level. Choosing the right solution is extremely important as it directly impacts the performance of the application. Engineers can choose from single-head, dual-head, or multi-head designs, and these can be connected in parallel, in series, or in combination.

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

  • Product news

The exceptional durability of diaphragm pumps is not a coincidence. At KNF, this durability is thoroughly pursued in the design. Pumps that operate for over 11 years under specified test conditions allow OEM manufacturers to enjoy benefits such as 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.

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

  • Company news

The exceptional durability of diaphragm pumps is not a coincidence. At KNF, this durability is thoroughly pursued in the design. 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.

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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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