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  6. Residual bacteria in the pump after cleaning is almost zero! Sanitary diaphragm pump.

Residual bacteria in the pump after cleaning is almost zero! Sanitary diaphragm pump.

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last updated:Jul 30, 2025

中央理化 本社
中央理化 本社
  • Special site
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【Exhibiting at FOOMA JAPAN】For beverages and food! Simplifying daily decomposition/cleaning! Air-driven diaphragm pump.

The sanitary pump "One Nut Pump" handled by Chuo Rika is an air-driven diaphragm pump suitable for food, beverages, cosmetics, pharmaceuticals, and more. It reduces the time required for daily disassembly, cleaning, and reassembly! It is CIP-cleanable and can withstand high-temperature steam! It has a pressure resistance of up to 0.7 MPa! Each part has no dead angles, allowing for thorough cleaning without missing any residues or dirt. We have received feedback that the residual bacteria after cleaning is zero, and since there are no sliding parts made of metal, very little iron powder is generated. You can experience easy disassembly and reassembly at the Interphex exhibition! We also offer free demo units for loan, so please feel free to contact us. 【Product Features】 - Zero residual bacteria inside the pump after CIP cleaning - Easily disassembled with just one nut, providing excellent cleanability - Can be cleaned with hot water and steam - Suitable for transporting high-viscosity liquids such as creams and jams - Stainless steel is standard in SUS316L - Ideal as a replacement for rotary pumps and screw pumps (superior in cost and maintenance workload) - No sliding metal parts, so no iron powder is produced

    Special Pump
サニタリー用2.jpg

Residual bacteria in the pump after cleaning is almost zero! Sanitary diaphragm pump.

サニタリー用2.jpg
サニタリー用2.jpg IPROS1838440723628560426.jpg IPROS125202351347394598.jpg IPROS6793737193606463131.jpg ONP_dis_03.jpg IPROS7829414284201438416.jpg ONP_dis_05.jpg IPROS192575366028298845.jpg IPROS3691748667513430392.jpg
  • Central Chemical Website
  • Special site - Product/service details - https://pr.mono.ipros.com/chuorika/product/

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basic information

【Common Inquiries About Diaphragm Pumps】 ▼ Maintenance and cleaning take too much time... ▼ I want to use it for sanitary applications, but I'm worried about hygiene... ▼ I want to transport high-viscosity liquids... ▼ I want to perform CIP and SIP cleaning... ▼ The pushing pressure is high, and I gave up on diaphragm pumps... ▼ I want to achieve automatic stop and metering with air drive... ▼ The delivery time for parts is long... ▼ Overhaul costs and time are high... ⇒ These concerns can be resolved with our 'One Nut Pump'! 【Product Features Supplement】 ○ Fast maintenance ○ Long-lasting diaphragm ○ Fewer parts ○ Simple air system ○ Self-priming Dry up to 3.6m (with exceptions) ○ High-viscosity transport ○ Dry running OK ○ Low shear ○ Oil-free ○ Standard integrated diaphragm of Teflon + rubber ○ High cleanliness ○ No sliding in the shaft part, no O-ring usage ○ Restart function available when stopped, no need for relief valves, etc. *For more details, please download the catalog and case studies, or feel free to contact us directly.

Price information

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Delivery Time

Please contact us for details

※As short as 1.5 months or more.

Applications/Examples of results

It has been about 10 years since the introduction in Japan, and we have over 100 users utilizing our products. Despite the recent price increase situation, we have received many repeat orders from our users. We have received great acclaim not only from manufacturers of high-viscosity foods, cosmetics, and pharmaceuticals, but also from chemical, paint, and ink manufacturers. We offer various options, including: - An option that can handle a pressure of up to 0.7 MPa for pushing pressure during drop-in from heights or liquid delivery to heights, - An option that automatically stops the pump after a specified number of pumping cycles, achieving a certain level of accuracy, - An option that automatically drains residual liquid inside the pump after it stops, - Custom-sized four-wheel carts. For more details, please download the case study for the one-nut pump or feel free to contact us.

catalog(8)

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

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

PRODUCT
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"Air-driven pulsation dampers" suppress piping pulsation noise by 95%!

"Air-driven pulsation dampers" suppress piping pulsation noise by 95%!

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One-Nut Pump Case Study Collection

One-Nut Pump Case Study Collection

TECHNICAL
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One Nut Pump Mini Chem Pump

One Nut Pump Mini Chem Pump

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Good Food Pump (One Nut Pump)

Good Food Pump (One Nut Pump)

PRODUCT
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One Nut Pump Option Leak Prevention/Alarm System

One Nut Pump Option Leak Prevention/Alarm System

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High Cleanliness Sanitary Pump "Hygienic Series"

High Cleanliness Sanitary Pump "Hygienic Series"

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One Nut Pump Drum Unloading System

One Nut Pump Drum Unloading System

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News about this product(7)

[Exhibition Participation] Interphex Japan (June 26-28, 2024) Tokyo Big Sight

  • Seminar・Event

We will be exhibiting mixers and pumps for cosmetics, pharmaceuticals, and food products! They have received great acclaim for use in sanitary applications, clean room environments, and explosion-proof settings. Please take this opportunity to check out our actual mixers and pumps! We will also conduct mixing tests and transfer tests with the actual equipment!

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[Exhibition Participation] FOOMA JAPAN 2024 (June 4, 2024 - June 7, 2024) Tokyo Big Sight

  • Seminar・Event

This year, we will be showcasing the one-nut pump and pulsation dampers! They have received great acclaim not only in food and beverage applications but also in sanitary uses such as cosmetics and pharmaceuticals. Please check out the one-nut pump, which is "easy to disassemble and assemble" and "clean," using our actual equipment!

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[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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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 (83)

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