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  6. One Nut Pump [Easy disassembly and assembly by removing one nut!]

One Nut Pump [Easy disassembly and assembly by removing one nut!]

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last updated:Jul 30, 2025

中央理化 本社
中央理化 本社
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A diaphragm pump that can be disassembled and assembled with just one nut. It significantly contributes to reducing maintenance time!

The biggest feature of the One-Nut Pump is its simple structure with a small number of parts. By removing just one nut, quick maintenance can be performed, significantly reducing downtime. It is ideal for industries that require high hygiene standards, such as food, pharmaceuticals, cosmetics, and chemical products. 【Features】 ■ Reduced Maintenance Time It can be easily disassembled and reassembled by removing just one nut. It can be disassembled without removing the pump from the piping by simply taking off the nut. ■ Long-lasting Diaphragm The stroke length of the diaphragm is very short, and a thicker and stronger PTFE diaphragm can be used as standard. The mechanical lifespan is 20 million strokes. ■ Low-Cost Spare Parts The number of spare parts is less than half compared to other manufacturers' diaphragm pumps. *For more details, please request documentation or view the PDF data available for download.

    Special Pump
ポンプ画像.jpg

One Nut Pump [Easy disassembly and assembly by removing one nut!]

ポンプ画像.jpg
ポンプ画像.jpg
  • Central Chemical Website
  • Special site - Product/service details - https://pr.mono.ipros.com/chuorika/product/

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basic information

**Features** - Fast maintenance - Long-lasting diaphragm - Low-cost spare parts - Simple air system - Self-sufficient, dry up to 3.6m - High viscosity transport - Dry running acceptable - Low shear - Oil-free - Abundant materials - Teflon (PTFE) diaphragm as standard - High cleanliness - Adjustable pressure and speed - 15-minute maintenance - Restart function during stop, no need for relief valves, etc. *For details, please request materials or view the PDF data from the download.*

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Chemical products, cosmetics, paints, pharmaceuticals, adhesives, food processing and manufacturing, petrochemicals…

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Air-driven diaphragm pump "One Nut Pump" comprehensive catalog

Air-driven diaphragm pump "One Nut Pump" comprehensive catalog

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[Case Study Material] Hygienic Pump "One Nut Pump" Optional Features

[Case Study Material] Hygienic Pump "One Nut Pump" Optional Features

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News about this product(3)

[Exhibition Participation] FOOMA JAPAN 2022 [Tokyo Big Sight]

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FOOMA JAPAN 2022 International Food Industry Exhibition June 7 (Tuesday) - June 10 (Friday), 2022 Tokyo Big Sight We will be exhibiting. Booth number: 5K-29 Sanitary one-nut pump Air motor mixer Air radial piston motor, etc. We will be showcasing sanitary products for the food, cosmetics, and pharmaceutical industries. Please come visit us! If you would like an invitation, please feel free to contact us. mail@chuorika.co.jp

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JASIS 2022 Advanced Science, Analysis Systems & Solutions Exhibition

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Air motor stirrer Electric stirrer Air radial piston motor Air-driven diaphragm pump, etc. are scheduled to be exhibited.

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Measuring and Connecting to the Future: Science Equipment Exhibition at Tokai Science Park 2022

  • Seminar・Event

We plan to exhibit at the Science Equipment Exhibition held at the Nagoya International Conference Hall from June 2 (Thursday) to June 4 (Saturday), 2022. We will mainly showcase lab and small products. - Air motor stirrer - Electric stirrer - Radial piston motor - Lab stirrer - Magnetic gear pump - Diaphragm, etc. If you would like an invitation, please feel free to contact us at mail@chuorika.co.jp.

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中央理化

中央理化 本社

Industrial Machinery

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We are a manufacturer of air-driven stirrers and electric stirrers! We also handle micro-dosing pumps and air-driven diaphragm pumps. Today, both our stirrers and pumps are highly praised by users in the sanitary industry. Please leave the use of stirrers and pumps in clean and explosion-proof environments to us! We participate in exhibitions such as FOOMA and Interphex every year. We also offer free demonstration units and product introductions during visits!

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