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  3. 日本ダイヤバルブ 本社 業務・開発部
  4. Notice of Revision for the "Diaphragm Valve Catalog" (Also introducing case studies and FAQs!!)
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  • Feb 05, 2021
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Feb 05, 2021

Notice of Revision for the "Diaphragm Valve Catalog" (Also introducing case studies and FAQs!!)

日本ダイヤバルブ 日本ダイヤバルブ 本社 業務・開発部
We have revised the "Diaphragm Valve" catalog and have begun distributing "No. D303-09." For those who may not be familiar with diaphragm valves, we have made an effort to edit the catalog to present the necessary product information in a clearer, more accessible, and more visually appealing layout. We hope this will be useful for your selection of diaphragm valves in your daily operations. We would be grateful if you could gain a deeper understanding of our products. Additionally, we offer an electronic version of the catalog on our website. It can be viewed on various devices including PCs, iPads, iPhones, and Android devices, so please feel free to check it out on your tablet. *If you would like to request a physical copy of the catalog, you can apply through the inquiry page. If you have any questions or concerns, please do not hesitate to contact us. We also have case studies and a FAQ collection available. Please check them out in the related catalogs below.
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Diaphragm Valve Comprehensive Catalog *Includes technical materials

Achieving high maintenance performance with a unit-based design! A diaphragm valve with zero seat leakage due to high airtightness, excellent corrosion and chemical resistance.

This catalog features a variety of diaphragm valves manufactured and sold by Japan Diaphragm Valve Co., Ltd. A diaphragm valve is a type of valve that has a structure that opens and closes the flow path using a flexible diaphragm made of materials such as rubber. They can be broadly classified into two types: the wear-resistant type with high airtightness and the straight type with low pressure loss and minimal liquid accumulation. The catalog includes a diverse range of products, including manual operation valves, air-operated ON-OFF valves, and electric operation valves. Additionally, technical materials such as dimension and material selection tables are included at the end. [Contents] ■ Manual operation valves ■ Air-operated ON-OFF valves ■ Air-operated flow control valves ■ Electric operation valves ■ Technical materials, etc. *For more details, please refer to the PDF materials 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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[Information] Applications and Examples of Diaphragm Valves (For Reference)

We have compiled a table that clearly summarizes the applications and examples of diaphragm valves!

This document includes applications and examples of diaphragm valves. We have presented reference examples of valve specifications in an easy-to-understand table categorized by application and equipment! 【Listed Applications】 ■ Water treatment facilities ■ Chemicals ■ Pharmaceuticals ■ Food ■ Electrical materials & semiconductors ■ Iron & non-ferrous metals ■ Power generation *For more details, please refer to the PDF document or feel free to contact us.

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Valve FAQ Frequently Asked Questions [Diaphragm Valve Edition]

Diaphragm Valve Edition! We will answer frequently asked questions about valves!

This document summarizes frequently asked questions about diaphragm valves and provides answers in a Q&A format. If you have any questions or requests regarding our products other than diaphragm valves, please feel free to contact us. 【Contents (Q&A)】 ■ What is the history of diaphragm valves? ■ Please explain the structure of diaphragm valves. ■ What are the characteristics of diaphragm valves? ■ How should I select the combination of the body and diaphragm? ■ What is the durability and service life of the diaphragm? *For more details, please refer to the PDF document or feel free to contact us.

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Introduction to initiatives for the environment

Aiming to create environmentally friendly valves... "The entire company is united in promoting the continuous reduction of environmental impact!" "ISO 14001 certification obtained!"

Nihon Daiyavalve Co., Ltd. aims to be a sustainable company that balances environmental activities with economic activities as global environmental issues become more serious. We recognize our commitment to environmental conservation as one of the important pillars of our business activities and strive to fulfill our social responsibilities. In 2008, we obtained ISO 14001 certification and are working together as a company on environmental activities. *For more details, please refer to the PDF materials 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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Information on our product and service support contact.

Accurate implementation of "preventive maintenance" reduces risks and prevents troubles before they occur!

At Nippon Diavalve, we provide reliable, safe, and high-quality after-sales service. Our employees actually visit the site to conduct inspections and repairs while observing the conditions on-site. *Please feel free to contact us, as there may be cases where on-site inspections and repairs are difficult, such as with large-diameter valves. We support our users through five sales bases across the country and partner companies. Please consult us for preventive maintenance and upkeep. We offer free materials featuring case studies available for download in PDF format. We encourage you to take a look. 【Features】 ■ Supporting the long-term maintenance and management of user facilities ■ Providing various maintenance-related services for our products based on years of accumulated unique know-how and reliable manufacturer quality ■ Accurately executing service tasks entrusted by users based on over half a century of rich experience and solid technical skills.

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Related catalog(3)

[Latest Version] NDV "Diaphragm Valve" Comprehensive Catalog

[Latest Version] NDV "Diaphragm Valve" Comprehensive Catalog

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[Information] Applications and Examples of NDV Diaphragm Valves (For Reference)

[Information] Applications and Examples of NDV Diaphragm Valves (For Reference)

OTHER
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NDV Valve FAQ Frequently Asked Questions [Diaphragm Valve Edition]

NDV Valve FAQ Frequently Asked Questions [Diaphragm Valve Edition]

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HK-2

Recommended for earthquake measures for automatic doors and equipment! Seismic device HK-2.

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Japan is one of the top 10 countries in the world with frequent earthquakes. The 2020 White Paper on Land, Infrastructure, Transport and Tourism has also reported an increase in the probability of major earthquakes occurring. Regarding the Nankai Trough earthquake, the probability of an earthquake with a magnitude of 8 to 9 occurring within the next 30 years is estimated to be 70 to 80%. At Hotron, we recommend the introduction of seismic devices for earthquake countermeasures in buildings and equipment. The seismic device 'HK-2' is a product that automatically performs various controls that have been pre-set when it detects strong shaking equivalent to a seismic intensity of 5 lower or higher. For example, it can automatically execute actions such as: "Open automatic doors and gates to secure evacuation routes and access for emergency vehicles" "Transmit signals to the control room and stop facility equipment" "Unlock the keys to locked lockers" "Automatically play voice guidance" For more details, please download the materials or contact us.

Jun 05, 2026

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Solve your problems with wired bed exit sensors by connecting a wireless set linked to the nurse call system!

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Do you have any concerns or requests regarding wired bed exit sensors? × Tangling or tripping over wired cables × Cable disconnection or damage × Worrying about forgetting to turn the switch back on after temporarily stopping the sensor. × Wanting to be notified of bed exits even from a location far from the nurse call outlet. Such concerns can be resolved simply by connecting our wireless nurse call linked set to the sensor! Our wireless nurse call linked set allows you to connect bed exit sensors like "Ugo-kun," "Foldable Thin Matta-kun," "Ayumi-chan," and "Just Place Pole-kun" to transmitters and receivers, reducing wiring around the bed area, alleviating concerns about tripping or falling due to cables, and contributing to a tidier work environment. Furthermore, it enables the use of bed exit sensors even from locations far from the nurse call outlet, allowing for more flexible equipment placement.

Jun 05, 2026

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Setting overly optimistic 'projections' compared to reality!? 'Planning Fallacy'

"SBS Marketing Co., Ltd." Tending to set overly optimistic "forecasts"? 'Planning Fallacy'

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Based on practical experience in support companies and business companies, SBS Marketing Co., Ltd. provides consulting services related to marketing, sales promotion, and customer acquisition primarily in the BtoB (business-to-business) sector. On June 4, 2026, we published a page titled "Do We Set 'Forecasts' Too Optimistically Compared to Reality? The 'Planning Fallacy'." The 'Planning Fallacy' refers to the psychological phenomenon of underestimating the time, costs, and risks involved in carrying out tasks while overestimating the benefits. The page explains examples of its occurrence, the factors that lead to it, and methods to overcome it. (Page Overview: Excerpts) ■ What is the 'Planning Fallacy'? ■ Examples of the 'Planning Fallacy' ■ Why does the 'Planning Fallacy' occur? ■ How to overcome the 'Planning Fallacy'? (DL content only) ▼ For more details, please visit this page. https://sbsmarketing.co.jp/blog/planning-fallacy-2026-06/

Jun 05, 2026

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As heatwave risks continue to rise and workplace heatstroke prevention requirements become increasingly important, how can organizations encourage employees to maintain safe behaviors consistently?

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Kort Valuta has released a workplace initiative model that leverages points exchangeable for electronic money to support the adoption of safety and wellness habits. Examples include: ・Hydration reporting ・Viewing heatstroke prevention content ・Pre-shift condition checks ・Voice-based condition checks By linking these activities to incentive points, organizations can encourage voluntary participation while supporting workplace safety and employee well-being. The model is designed not only for frontline environments such as: ・Logistics ・Construction ・Manufacturing but also for office-based health and well-being programs. Safety posters and reminders alone are often not enough to drive lasting behavioral change. We hope this initiative provides a practical example for organizations seeking new approaches to workplace safety and employee engagement. Read the full press release: https://prtimes.jp/main/html/rd/p/000000118.000076589.html #HeatstrokePrevention #WorkplaceSafety #EmployeeWellbeing #HealthManagement #OccupationalHealth #HR #Logistics #Construction #Manufacturing #TwooCa

Jun 05, 2026

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We will explain the drawing verification tool 'Alignment Navi' at the 'On-Site Easy! Latest Technology Seminar Vol. 20'.

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Our company will be presenting at the "On-Site Made Easy! Latest Technology Seminar Vol. 20" (organized by Shinken Shimbunsha)! Kinos Logic will be speaking in Session 3 (15:50 - 17:00). We will provide a clear explanation of the tool "Seigou Navi," which can streamline the review of civil engineering drawings on a PC, using real-life examples. ■ Event Overview Date and Time: June 30, 2026 (Friday) 13:00 - 17:00 *Entry starts at 12:30 Format: Zoom (online broadcast) Capacity: 300 participants for the Zoom live broadcast Participation Fee: Free (Note: Additional fees for continuing education unit application services, etc.) Application Deadline: June 26 (Friday) 17:00 Organizer: Shinken Shimbunsha

Jun 05, 2026

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