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  6. LabPort Series SD Series

LabPort Series SD Series

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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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Ideal for suctioning humid gases.

N820/N840/N842/N860 

    Special Pump
Lab_product_N_820_3FT_18side_2020_1200px_900px.jpg

LabPort Series SD Series

Lab_product_N_820_3FT_18side_2020_1200px_900px.jpg
Lab_product_N_820_3FT_18side_2020_1200px_900px.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

Ideal for humid gases and moisture-rich processes. The self-driving valve (patented) maintains vacuum levels and quickly exhausts moisture and solvents from the pump head, keeping it consistently dry.

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Applications/Examples of results

Rotary evaporator Vacuum dryer

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Diaphragm Vacuum Pump (for Humid Gas) LABOPORT N 840.3 FT.40.18

Diaphragm Vacuum Pump (for Humid Gas) LABOPORT N 840.3 FT.40.18

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Diaphragm vacuum pump (for humid gas) N 860.3 FT.40.18

Diaphragm vacuum pump (for humid gas) N 860.3 FT.40.18

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The optimal vacuum pump for rotary evaporators.

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Distillation tests are conducted regularly in the chemistry laboratory. However, which vacuum pump is best suited for the rotary evaporator? Also, is the pump currently in use the correct one? You can find the optimal pump in four simple steps.

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Applications of KNF lab products

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Our company understands what is important to our customers. At KNF, we focus on developing intuitive solutions for the daily challenges in laboratory work. We provide user-friendly products equipped with a compact design and convenient features that guarantee low noise, high performance, and absolute reliability. - Centrifugal concentration - Degassing, vacuum drying - Rotary evaporator & distillation - Aspiration (fluid suction) - Filtration - Gel drying - Quantitative injection, liquid transfer, weighing - Liquid transfer - Solid phase extraction (SPE) - Vacuum drying

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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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