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  5. Positive Displacement Pump
  6. One Nut Pump [Sanitary Type]

One Nut Pump [Sanitary Type]

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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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Hygienic Pump "One Nut Pump Sanitary Type" is an easy-to-disassemble, hygienic pump that can be machine cleaned.

【One Nut Pump H (Hygienic) Series】 - 3A sanitary standards - Easily disassembled with just one nut during cleaning and inspection - Wetted parts are PTFE and SUS316L - Surface roughness of 0.8μmRa or higher (electropolished) - Equipped with a drain to discharge liquid inside the pump - BS, DIN, ISO (hygienic) fittings 【One Nut Pump Food Pump】 - CIP compatible as standard - Unique one nut design allows for cleaning between batches - Internal jacket for heating/cooling of the fluid (optional) - Self-priming capability (dry 3.6m, wet 7.6m) with a maximum discharge pressure of 0.6Mpa - Hygienic connections tailored to requirements available for all pumps - Low shear, capable of transporting large and delicate solids - Clearance inside the pump allows solids up to 25mm to pass through - Capable of transporting ultra-high viscosity (200,000cps) - Maintenance (disassembly and assembly) possible in just 15 minutes with a T-bar, no tools required

    Positive Displacement Pump
OneNutPump_H.jpg

One Nut Pump [Sanitary Type]

OneNutPump_H.jpg
OneNutPump_H.jpg
  • Related Link - https://chuorika.co.jp/onp_option_sanitary.html

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The "One Nut Pump 'H' Series" meets the strict 3A sanitary standards. In industries such as food, beverage, and pharmaceuticals, maintaining product safety in any environment or process is of utmost importance, and this product offers significant advantages. The parts that come into contact with the product are made of either PTFE or SUS316L, and the contact surfaces are stainless steel products polished to a finish of 0.8μmRa or better. It is capable of CIP cleaning, and the pump with a support stand allows for easy and effective draining of the product by rotating the main body. With its simple structure and few parts, the "One Nut Pump" can be easily disassembled and assembled by anyone. We encourage you to give it a try.

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Applications/Examples of results

○Food and beverages ○Dairy ○Pharmaceuticals ○Cosmetics / Personal care

catalog(5)

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High Cleanliness Sanitary Pump "Hygienic Series"

High Cleanliness Sanitary Pump "Hygienic Series"

PRODUCT
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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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One-Nut Pump Case Study Collection

One-Nut Pump Case Study Collection

TECHNICAL
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Good Food Pump (One Nut Pump)

Good Food Pump (One Nut Pump)

PRODUCT
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One Nut Pump Drum Unloading System

One Nut Pump Drum Unloading System

PRODUCT
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News about this product(3)

[Exhibition Participation] Interphex Japan 2023

  • Seminar・Event

Central Rika Booth Number: 20-17 Japan's Largest! Specialized Technology Exhibition for Pharmaceuticals and Cosmetics This is Japan's largest specialized technology exhibition where all products, technologies, and services related to the research and manufacturing of pharmaceuticals and cosmetics are showcased. Pharmaceutical and cosmetic manufacturers from both domestic and international markets will attend, engaging in active business discussions with exhibiting companies. We will be exhibiting at Interphex Japan 2023. Scheduled Exhibits: - Air-driven stirrers - Electric stirrers - Air-driven diaphragm pumps, etc. We plan to showcase stirrers and one-nut pumps that have received great acclaim from cosmetic and pharmaceutical manufacturers. We will introduce products with sanitary specifications.

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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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Companynews list (19)

Company information

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 (65)

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