We have started distributing the revised version of the catalog listed below. We hope it will be useful for your daily operations in selecting valves. We would be grateful if you could gain a deeper understanding of our products. ◇ NDV Diaphragm Valves: This catalog features a variety of products including manual valves, air-operated ON-OFF valves, and electric valves. Additionally, it includes technical materials such as dimension and material selection tables at the end, which will assist in valve selection. ■ Japanese version "No.D303-12" ◇ NDV Sanitary Related Valves: This is a 'comprehensive catalog' featuring sanitary specification valves suitable for manufacturing equipment in pharmaceuticals, food, and semiconductors. We introduce a wide range of applications, including the "Bio-Clean Diaphragm Valve Series," which maximizes the features of diaphragm valves, and sanitary butterfly valves for pharmaceutical containers. ■ Japanese version "No.D117-09" *If you would like to receive a catalog, you can apply through the inquiry page. Please feel free to contact us if you have any questions or concerns. We also have a FAQ section available, so please check it out in the related catalogs below.

Our company will have a company-wide holiday during the period below. We apologize for any inconvenience this may cause and appreciate your understanding. Summer holiday period: Friday, August 15, 2025 Inquiries received during this holiday period will be addressed sequentially starting from Monday, August 18.

We exhibited at the "27th INTERPHEX JAPAN Exhibition," which was held at Tokyo Big Sight from July 9 (Wednesday) to July 11 (Friday). Thank you very much for visiting our booth despite your busy schedule. 【Details of Exhibits】 ■ New Product: EX-Bioclean Diaphragm Valve ■ Renewal: Glass-Lined Diaphragm Valve ■ Products Excellent for Dead Space Solutions ■ Corrosion-Resistant Valves with Sanitary Specifications ■ For Powder and Granule Discharge: Sanitary Butterfly Valve *For more details, please download the catalog or contact us. (The catalog can be downloaded from the catalog page of the special website below.) *If you have any requests or questions that we could not address at the venue, please feel free to contact us.

Starting from July 2025, we will begin accepting orders for our new product series, the "EX-Bioclean Diaphragm Valve." This product is a next-generation diaphragm valve developed from our existing "Bioclean Diaphragm Valve" series, which is designed for pharmaceutical and related facilities, featuring a new sealing structure. While maximizing the characteristics of the diaphragm valve, such as "a structure that does not contaminate fluids" and "excellent cleanability," we have revamped the sealing structure to better meet user needs and further enhance product performance. 【Main Features】 ■ Currently available on the product page below! *For more details, please refer to the catalog or feel free to contact us.

Our company will be exhibiting at the 27th INTERPHEX JAPAN, which will be held at Tokyo Big Sight from July 9 (Wednesday) to July 11 (Friday). This exhibition is one of the world's leading events showcasing specialized technologies in the pharmaceutical and cosmetics industries. We will present various valve products optimal for manufacturing processes in pharmaceuticals and biotechnology, including our "Bio-Clean Diaphragm Valve" series. 【Highlights of Our Exhibition】 ◆ Official Sales Launch! New Product "EX-Bio Clean Diaphragm Valve" A next-generation diaphragm valve utilizing a new sealing structure! Officially launching this summer! ◆ Renewed Products in Response to Many Requests! The "Glass-Lined Diaphragm Valve" has been renewed! ◆ Additionally, we will showcase various sanitary valve products ideal for manufacturing equipment in pharmaceuticals, cosmetics, food, and semiconductors! ◆ Our company representatives will provide explanations and proposals using actual samples! We sincerely look forward to your visit! For more details, please refer to the related document "Invitation to the 27th INTERPHEX JAPAN (General Invitation)" below or feel free to contact us.

Nihon Diavalve Co., Ltd. will be exhibiting at the "26th INTERPHEX JAPAN," which will be held at Tokyo Big Sight from June 26 (Wednesday) to June 28 (Friday) this year. This exhibition is one of the world's leading trade shows where specialized technologies in the pharmaceutical and cosmetics industries are showcased, and our company will present various valves optimal for manufacturing processes in pharmaceuticals, biotechnology, and more, including our "Bio-Clean Diaphragm Valve" series. 【Highlights of Our Exhibition】 ■ Introducing our <new product> first! We will showcase the next-generation diaphragm valve, "EX-Bio-Clean Diaphragm Valve," featuring a new sealing structure! ■ We will display sanitary valves ideal for manufacturing equipment in pharmaceuticals, cosmetics, food, and semiconductors! ■ Our company representatives will provide explanations and proposals using actual samples! 【Details of Our Exhibit】 ■ <New Product> EX-Bio-Clean Diaphragm Valve ■ Products excellent in dead space countermeasures ■ Corrosion-resistant sanitary valves ■ Sanitary butterfly valves for powder and granular discharge We sincerely look forward to your visit!

Nihon Daiya Valve Co., Ltd. will be exhibiting at 'FLOWTECH CHINA 2025' to be held at the Shanghai National Exhibition and Convention Center from June 4 (Wednesday) to June 6 (Friday), 2025. This exhibition will showcase the latest technologies and products across a wide range of areas including pumps, valves, and piping equipment. Our local subsidiary, Tianjin Daiya Valve Co., Ltd., will present various valve products, including "PFA lining valves." [Main Exhibits] ■ PFA Lining Valves: We will showcase various PFA lining valves with excellent corrosion and chemical resistance! ■ Quick-Opening Handle Type: BQL400NB: Easy operation with a 90-degree rotation, offering excellent visibility and stable sealing performance! ■ Bio-Clean Diaphragm Valves: Sanitary valves with superior "gas tightness," "cleanability," and "maintainability"! ■ V-Port Valves: Valves ideal for lines handling "abrasive fluids" and "high-viscosity fluids," featuring a V-cut ball design! We warmly invite you to visit our booth when you attend the exhibition. We look forward to seeing you!

Nihon Daiya Valve Co., Ltd. will be exhibiting at the "Shenzhen International Semiconductor Technology and Application Exhibition (SEMI-e)" held at the Shenzhen International Convention and Exhibition Center from June 26 (Wednesday) to June 28 (Friday), 2024. This exhibition is a comprehensive international showcase related to manufacturing technologies, equipment, and materials in the semiconductor industry, and we will be presenting various valve products, including "PFA lining valves," from our local subsidiary, Tianjin Daiya Valve Co., Ltd. [Exhibition Details] ■ PFA Lining Valves: We will showcase various PFA lining valves with excellent corrosion and chemical resistance! ■ Quick-Opening Handle Type: BQL400NB: Easy operation with a 90-degree rotation, offering excellent visibility and stable sealing performance! ■ Bio-Clean Diaphragm Valves: Sanitary valves with superior "air-tightness," "cleanability," and "maintainability"! ■ V-Port Valves: Valves optimal for lines handling "abrasive fluids" and "high-viscosity fluids," utilizing V-cut balls! We warmly invite you to visit our booth when you attend the exhibition. We look forward to seeing you!

In response to many requests, we have renewed our product! It features a total lining of the main flow path with glass that has excellent corrosion resistance, making it suitable for use with highly permeable chemical solutions. 【Main Features】 ■ Available on the product page below! *For more details, please refer to the PDF or feel free to contact us.

Thank you very much for your continued support. We would like to inform you that our company will suspend product shipping operations for inventory purposes due to the interim financial closing on the following date. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Monday, March 31, 2025.

We have published the product page for the Y-shaped 3-way ball valve "Y300 type." ■ What is the NDV Y-shaped 3-way ball valve? It is a 3-way ball valve with a wide-angle body shape. It is the ideal valve for passing abrasive fluids such as powders, slurries, and high-viscosity fluids, as well as pigs for cleaning pipes. 【Main Features】 ■ Available on the product page below! *For more details, please refer to the catalog or feel free to contact us.

We have started distributing the revised version of the catalog below. We hope it will be useful for selecting valves in your daily operations. We would be grateful if you could gain a deeper understanding of our products. ◇NDV Product Guide: This is our comprehensive catalog. It introduces high-quality diaphragm valves, ball valves, and butterfly valves. ■ Bilingual "U100-40" ◇Butterfly Valves: We handle butterfly valves that excel in sealing and flow control. ■ English "No.CE302-02" *If you would like to receive a catalog, you can apply through the inquiry page. Please feel free to contact us if you have any questions or concerns. Additionally, we have a FAQ section available, so please check it out in the related catalogs below.

I would like to extend my respectful New Year's greetings. I sincerely thank you for your exceptional support during the past year. I kindly ask for your continued patronage this year as well. We have resumed regular business operations since January 6th. We will respond to inquiries received during the closure in due course. Thank you for your patience and understanding.

Thank you very much for your continued support. We sincerely apologize for the inconvenience, but our company will be closed for the year-end and New Year holidays during the following period. Holiday Period: December 28, 2024 (Saturday) to January 5, 2025 (Sunday) Inquiries made through this website or email will be addressed sequentially starting from January 6 (Monday) after the holiday period. We apologize for any inconvenience this may cause and appreciate your understanding.

We have published the product page for the V-port valve "V100 series." ■ What is the NDV V-port valve? It is a ball valve that incorporates a V-cut ball. It is an ideal valve for lines and flow regulation of abrasive fluids and high-viscosity fluids. 【Main Features】 ■ Information is available on the product page below! *For more details, please refer to the catalog or feel free to contact us.

Nihon Diaball Valve Co., Ltd. will be exhibiting at "VIETWATER 2024," which will be held in Ho Chi Minh City, Vietnam from November 6 (Wednesday) to November 8 (Friday), 2024. This exhibition is the largest water treatment-related exhibition in Vietnam, and we will showcase various valves suitable for water treatment equipment, including our representative product, the "diaphragm valve." [Exhibition Details] ■ Diaphragm Valve - We will present various lining products with excellent corrosion and chemical resistance. - We will introduce valves optimal for individual processes such as purification equipment, sludge treatment equipment, and pure water systems. ■ Ball Valve - In addition to standard two-way valve types, we offer a series of ball valves suitable for a wide range of fields. - We will showcase various valve seats that can be used under special conditions, such as with abrasive fluids. We sincerely look forward to your visit.

Dear Sir/Madam, I hope this message finds you well. I would like to express my sincere gratitude for your continued support. We regret to inform you that our company will be closed all day on Tuesday, October 1, 2024, in observance of our founding anniversary. We apologize for any inconvenience this may cause and appreciate your understanding.

We would like to express our sincere gratitude for your continued support. We would like to inform you that our product shipping operations will be suspended on the following dates due to inventory taking associated with our mid-term financial closing. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Monday, September 30, 2024.

We have started distributing the revised version of the catalog listed below. We hope it will be helpful for you in selecting valves in your daily operations. We would be grateful if you could gain a deeper understanding of our products. ◇ Ball Valves: In addition to the standard fire-safe type, you can choose from a wide range of options tailored to your needs, including multi-port valves and V-port valves. ■ Japanese version "No.B302-12" ■ English version "No.BE302-06" ◇ Butterfly Valves: We offer butterfly valves that excel in sealing performance and flow control. ■ Japanese version "No.C302-04" ◇ Sanitary Related Valves: We provide sanitary specification valves that are ideal for manufacturing equipment in pharmaceuticals, food, and semiconductors. ■ English version "No.DE117-03" *If you would like to receive a catalog, you can apply through the inquiry page. Please feel free to contact us if you have any questions or concerns. Additionally, we also have a FAQ section available, so please check it out in the related catalogs below.

Nihon Diaball Valve Co., Ltd. will be exhibiting at the "INDO WATER 2024 Expo & Forum," which will be held in Indonesia from September 18 (Wednesday) to September 20 (Friday). This exhibition is the 18th edition and is the largest exhibition in Indonesia showcasing specialized technologies related to water supply, sewage, and recycling. We will be presenting various valves suitable for water treatment equipment, including our representative "diaphragm valves." [Exhibition Details] ■ Diaphragm Valves - We will showcase various lining products with excellent corrosion and chemical resistance. - We will introduce valves optimal for individual processes such as purification equipment, sludge treatment equipment, and pure water systems. ■ Ball Valves - In addition to standard two-way valve types, we will offer a series of ball valves suitable for a wide range of applications. - We will present various valve seats that can be used under special conditions, such as with abrasive fluids. We sincerely look forward to your visit.

We are pleased to announce the establishment of the "Product Service Support Desk" at Japan Diaball Valve. We provide reliable, safe, and high-quality after-sales service. Our employees will visit the site in person 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 will support our users through five sales bases across the country and our partner companies. For preventive maintenance and upkeep, please consult with us! 【Features of the Support Desk】 ■ Supporting the long-term maintenance and management of user equipment ■ Providing various maintenance-related services for our products based on years of accumulated unique know-how and reliable manufacturer quality ■ Accurately carrying out service operations entrusted by users based on over half a century of rich experience and solid technical skills.

Our company will have a company-wide holiday during the period below. We apologize for any inconvenience this may cause and appreciate your understanding. Summer holiday period: August 13, 2024 (Tuesday) to August 14, 2024 (Wednesday) Inquiries received during this holiday period will be addressed sequentially starting from August 15, 2024 (Thursday).

We exhibited at the "26th Interphex Japan Exhibition," held at Tokyo Big Sight from June 26 (Wednesday) to June 28 (Friday). Thank you very much for visiting our booth despite your busy schedule. 【Details of Exhibits】 ■ New Product: EX-Bio Clean Diaphragm Valve ■ Products with excellent dead space measures ■ Corrosion-resistant valves with sanitary specifications ■ For powder and granular discharge: Sanitary butterfly valve * For more details, please download the catalog or contact us. (The catalog can be downloaded from the catalog page of the special website below.) * If there were any requests or questions that we could not address at the venue, please feel free to contact us.

We have revised the comprehensive catalog for "Sanitary Related Valves" and published "D117-08." For more details, please refer to the related catalog. *If you would like to receive a catalog, you can apply through the inquiry page. If you have any questions or concerns, please feel free to contact us.

Thank you very much for your continued support. We would like to inform you that our company will suspend product shipping operations for inventory purposes in conjunction with our financial closing on the following dates. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: March 31, 2021 (Wednesday)

Thank you very much for your continued support. We would like to inform you that our company will suspend product shipping operations for inventory purposes in conjunction with our financial closing on the following dates. We apologize for any inconvenience this may cause and appreciate your understanding. Shipping suspension period: Friday, March 29, 2024.

An article about our "Diaphragm Valve for Pharmaceutical Manufacturing Equipment" has been published in the valve technology specialized magazine "Valve Technical Report," Vol. 37, No. 1, Issue 88, published in March 2022. This article details the required specifications, compatibility, and applications of diaphragm valves used in pharmaceutical manufacturing equipment, so please take a moment to read it. *The "Valve Technical Report" is the only specialized magazine on valve technology, featuring papers on fundamental valve technology, related technologies, design, related materials and components, application technologies, and standards. "Valve Technical Report" can be purchased from the website of the Japan Valve Manufacturers Association via the related link.

We have revised the "Diaphragm Valve" catalog and have started distributing "No. D303-09." For those who may not be familiar with diaphragm valves, we have made an effort to edit the content to provide necessary product information in a clearer, more accessible, and visually appealing format. We hope this will be helpful in your daily operations when selecting diaphragm valves, and we would be grateful if you could gain a deeper understanding of our products. Additionally, we offer the electronic 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 as well. *If you would like to receive a physical 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 along with the related catalogs below.

You can use it in combination with the stainless steel drive part of our diaphragm valve!! It is a "compact limit switch" of the direct mount type with a built-in micro switch for open/close detection. 【Specifications】 ■ Made of SCS13A (outer surface #300 buff) ■ Rainproof type ■ Rated voltage: AC 5A-125V, 3A-250V *For more details, please download the "Sanitary Related Valve Catalog (pages 15 and 16)" from the related catalog below. If you have any questions, please feel free to contact us.

As a representative of corrosive fluids, there are chemical agents such as acids and alkalis. Additionally, even fluids that typically do not exhibit corrosiveness, such as seawater, can cause damage to materials (i.e., sanitary piping) with prolonged use. The solution developed to prevent damage to these materials (i.e., sanitary piping) is the "corrosion-resistant valve with clamp connection," which features a body lined with fluororesin (ETFE). 【Main Features】 ■ More information is available on the product page below! 【Product Page】 ■ [Sanitary-related Valves] Corrosion-resistant Valve with Clamp Connection *For more details, please refer to the materials or catalog, or feel free to contact us.