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  3. 日本ダイヤバルブ 本社 業務・開発部
  4. Introducing the stainless steel "KM200 type" and the cast iron "C201R type" butterfly valves!
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  • Dec 06, 2022
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Dec 06, 2022

Introducing the stainless steel "KM200 type" and the cast iron "C201R type" butterfly valves!

日本ダイヤバルブ 日本ダイヤバルブ 本社 業務・開発部
We would like to introduce our company's "2 products" of butterfly valves! The stainless steel high-performance butterfly valve "KM200" is designed to accommodate a wide range of fluids with its reinforced PTFE seat. The drive shaft of the disc is double-eccentric, ensuring that the disc and seat remain contact-free until just before fully closed, resulting in minimal wear on the seat and a long lifespan. The cast iron butterfly valve "C201R" features a centering design on the seat contact surface, creating a self-sealing mechanism that generates contact pressure on the sealing surface of the disc due to fluid pressure, allowing for effective sealing from vacuum to high pressure. For more details, please refer to the related products and catalog, or feel free to contact us. 【Product Lineup】 ■ KM200: Stainless steel high-performance butterfly valve ■ C201R: Cast iron butterfly valve *For more details, please refer to the related products and catalog, or feel free to contact us.
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Here is the homepage of Nihon Diaball Valve Co., Ltd.
 

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KM200画像改正1.jpg

Stainless Steel High-Performance Butterfly Valve "KM200 Type"

Long lifespan with a double off-center mechanism! Can be used even in reverse pressure load lines due to the absence of flow direction.

The "KM200 type" is a high-performance stainless steel butterfly valve that accommodates a wide range of fluids thanks to its reinforced PTFE sheet. The drive shaft center of the disk is double-eccentric, and the disk and sheet remain in non-contact until just before fully closed, resulting in minimal wear on the sheet and a long lifespan. The structure allows the disk and sheet to adhere due to fluid pressure, regardless of the flow direction on either the primary or secondary side. 【Features】 ■ Long lifespan due to double-eccentric mechanism ■ Usable in reverse pressure load lines as there is no specific flow direction ■ Accommodates a wide range of fluids with reinforced PTFE sheet ■ Sheet replacement can be easily performed by removing the set ring ■ Synthetic rubber and metal sheets can also be selected according to usage conditions *For more details, please refer to the catalog (P5-P10) or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website below.)

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C201R画像改1.jpg

Cast iron butterfly valve "C201R type"

High sealing performance achieved with a heart-shaped self-seal! Introducing a long-lasting cast iron butterfly valve.

The "C201R type" features a double eccentric (double off-center) design for the disk's drive axis, and since the disk and seat remain in non-contact until just before fully closed, it is a cast iron butterfly valve with minimal seat wear and a long lifespan. The seat is designed with a centering feature on the contact surface, creating a self-sealing mechanism that generates contact pressure on the disk's sealing surface due to fluid pressure, allowing for efficient sealing from vacuum to high pressure. Additionally, during maintenance, the seat can be easily replaced by simply removing the seat cover. 【Features】 ■ Long lifespan due to double off-center mechanism ■ High sealing performance with centering self-seal ■ Easy maintenance *For more details, please refer to the catalog (P11-P17) or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website below.)

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Related catalog(1)

NDV "Butterfly Valve" Comprehensive Catalog

NDV "Butterfly Valve" Comprehensive Catalog

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[Exhibition Information] 22nd Japan Textile Material Research Seminar

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We will be exhibiting at the "22nd Japan Fiber Material Research Seminar" to be held on May 22, 2026 (Friday). We plan to showcase dust protection clothing and other items. We look forward to your visit! ● Date: May 22, 2026 (Friday) 11:00 AM - 4:00 PM ● Venue: BDK Conference Room, 7th Floor, Buddhist Propagation Center Building, (Public Interest Incorporated Foundation) (Tokyo) 'Mi no Ma' For more details, please feel free to contact us through the related link below: [Protective Clothing Wisdom.com]. [Protective Clothing Wisdom.com] is a comprehensive information site for safe working environments, providing information on protective clothing and equipment by work environment, methods for putting on and taking off, and customer usage records.

May 15, 2026

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[Exhibition Information] Japan Foundry Engineering Society Connect Exhibition

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We will be exhibiting at the "2026 Spring Conference of the Japan Foundry Engineering Society [187th National Conference] - Connecting Exhibition," which will be held from May 23 (Saturday) to May 24 (Sunday), 2026. We plan to showcase flame-resistant protective clothing and more. We look forward to your visit! ● Date: May 23 (Saturday) - May 24 (Sunday), 2026 ● Venue: Light Cube Utsunomiya (Tochigi Prefecture), 1st Floor, East Side of the Main Hall For more details, please feel free to contact us through the related link below: [Protective Clothing Wisdom.com]. [Protective Clothing Wisdom.com] is a comprehensive information site for safe working environments, providing guidance on protective clothing and equipment for different work environments, methods for putting on and taking off, and information on customer usage records.

May 15, 2026

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Exclusive sales for employees, fan clubs, and communities — now more flexible than ever.

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We have launched a new “Audience Control Feature” for TwooCa Mall, enabling merchants to limit product visibility and sales to specific companies, organizations, and communities. With this feature, merchants can now: ✔ Offer employee-exclusive discounts and company sales ✔ Create fan club or community-only merchandise sales ✔ Customize product visibility for specific user groups In addition, by integrating with TwooCa’s payment functions and digital-money-convertible point system, the platform provides a seamless purchasing experience for users. This feature is designed to support value creation in closed communities such as: ・Employee welfare programs ・Fan clubs ・Membership communities ・Sports teams We will continue expanding TwooCa Mall as a platform optimized for employee engagement, member experiences, and community-based commerce. ▼ Press Release https://prtimes.jp/main/html/rd/p/000000108.000076589.html #TwooCa #EmployeeBenefits #Fintech #Cashless #HRTech #CommunityCommerce #SportsBusiness #FanEngagement #DX

May 15, 2026

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[5/20 Presentation] At the interim report meeting for the Tokyo Metropolitan Government's "Decarbonization Support Project in the Supply Chain for the Creation of a Green Product Market," a case study on the use of plastic formwork "Daiko Panel" was presented.

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Kawasaki Corporation (Headquarters: Tokyo) is pleased to announce that we will be presenting at the interim report meeting for the Tokyo Metropolitan Government's "Decarbonization Support Project in the Supply Chain for the Creation of a Green Product Market," which will be held on May 20, 2026. At this report meeting, we will present the CO2 reduction effects of our environmentally friendly plastic formwork "Daiko Panel," which we have conceived, developed, manufactured, and sold, along with our efforts toward greening, including related auxiliary materials. [Overview of the Presentation] Theme: Utilizing CFP to enhance CO2 reduction of "Daiko Panel" and promote greening across the entire supply chain. Main Content: Introducing our initiatives for CO2 reduction based on the background of our application for this project and the CFP calculation results for "Daiko Panel" and its auxiliary materials. [Presentation Date and Time] Date and Time of the Interim Report Meeting: May 20, 2026 (Wednesday) from 15:00 to 17:00 Details of the Interim Report Meeting and the Tokyo Metropolitan Government's project: Decarbonization Support in the Supply Chain for the Creation of a Green Product Market https://www.cfp-sc.metro.tokyo.lg.jp/

May 15, 2026

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June 17th to 20th: Announcement of participation in the 8th International Construction and Surveying Exhibition (CSPI2026)

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We will be exhibiting at the "8th International Construction and Surveying Exhibition (CSPI2026)." Dates: June 17 (Wednesday) to June 20 (Saturday), 10:00 AM to 5:00 PM *On the final day, June 20 (Saturday), until 4:00 PM only. Venue: Makuhari Messe We look forward to your visit.

May 15, 2026

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