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  5. Positive Displacement Pump
  6. [Case Study of One-Nut Pump] Drain Cock Type for Residual Liquid Removal

[Case Study of One-Nut Pump] Drain Cock Type for Residual Liquid Removal

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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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Easily discharge the internal liquid in the pump with the drain cock! Here are examples of how to use the optional features for diaphragm pumps.

Our "One Nut Pump" is a sanitary diaphragm pump that can be disassembled and assembled with just one nut. It is an air-driven diaphragm pump suitable for the transfer of food, beverages, and dairy products, and can serve as an alternative to rotary pumps and snake pumps. ~ Introducing examples of applications using the optional features of the One Nut Pump ~ Typically, the internal liquid is sealed by a ball when the pump is stopped, but by raising the drain cock, the ball can be lifted to create a gap, allowing the internal liquid to be discharged. [Features of the One Nut Pump] ■ Easily disassembled with one nut, providing excellent cleanability ■ Suitable for transporting high-viscosity liquids such as paints, waxes, and gels ■ Standard material is SUS316L stainless steel ■ Extensive track record in the food, pharmaceutical, and cosmetics industries ■ Ideal as an alternative to rotary pumps and snake pumps (advantageous in terms of cost and maintenance labor) ■ Designed to ensure no bacteria or product residues remain inside the pump (sanitary specification) *For more details, please refer to the [PDF materials] or feel free to contact us.

    Positive Displacement Pump
【サムネ】ドレンコック.jpg

[Case Study of One-Nut Pump] Drain Cock Type for Residual Liquid Removal

【サムネ】ドレンコック.jpg
【サムネ】ドレンコック.jpg ドレンコック.JPG ワンナットポンプ.jpg
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basic information

For more details, please refer to the [PDF document] or feel free to contact us.

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Applications/Examples of results

Chemical products, cosmetics, paints, pharmaceuticals, adhesives, food processing and manufacturing, petrochemicals… *For more details, please refer to the PDF document or feel free to contact us.*

catalog(6)

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

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

TECHNICAL
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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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Would you like to reduce the maintenance time of diaphragm pumps?

Would you like to reduce the maintenance time of diaphragm pumps?

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One-Nut Pump Case Study Collection

One-Nut Pump Case Study Collection

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Good Food Pump (One Nut Pump)

Good Food Pump (One Nut Pump)

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One Nut Pump Drum Unloading System

One Nut Pump Drum Unloading System

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News about this product(2)

The 24th Interphex Japan

  • Seminar・Event

We plan to exhibit at Interphex Japan, held at Tokyo Big Sight from July 13 (Wednesday) to 15 (Friday), 2022. We will showcase products for the pharmaceutical and cosmetic industries, as well as for food and chemical industries. - Air motor stirrer - Electric stirrer - Air radial piston motor - Air-driven diaphragm pump, etc.

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

  • Seminar・Event

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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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!

Product/Service List (83)

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