Dear Sir/Madam, I hope this message finds you in good health and spirits. 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 Friday, October 24, 2025, in observance of our foundation anniversary. We apologize for any inconvenience this may cause and appreciate your understanding.

We exhibited at the "INCHEM TOKYO 2025 Exhibition" held at Tokyo Big Sight from September 17 (Wednesday) to September 19 (Friday). Thank you very much for visiting our booth despite your busy schedule. 【Details of Exhibits】 ■ New Product: EX-Bio Clean Diaphragm Valve ■ Renewal: Glass Lined Diaphragm Valve ■ Ball Valve Series Suitable for a Wide Range of Fields ■ Various Lined Bodies with Excellent Corrosion and Chemical Resistance ■ PFA Lined Butterfly Valve ■ Sanitary Butterfly Valve for Powder and Granule Discharge *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.

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.

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.

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.

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.

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)

Nihon Diaphragm Valve Co., Ltd. obtained ISO 14001 certification in 2008 with the aim of continuously reducing environmental impact and is engaged in environmental activities. In the case of diaphragm valves, the simple structure consisting of three units: the drive part, diaphragm, and body results in fewer parts compared to other valve types, eliminating waste of consumable parts. [General Initiatives] ■ ISO 14001 certification obtained ■ Promotion of paperless operations ■ Consideration for packaging materials For more details, please refer to the related PDF materials.

I would like to express my heartfelt sympathy to all those affected by the Noto Peninsula earthquake in Reiwa Year 6. I pray for everyone's safety and for the swift recovery of the disaster-stricken areas. I would like to respectfully extend my 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 normal operations from January 5th. We will respond to inquiries received during the closure in due course. I appreciate 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. Closure period: December 30, 2023 (Saturday) to January 4, 2024 (Thursday) Inquiries made through this website or email will be addressed sequentially starting from January 5 (Friday) after the closure period. We apologize for any inconvenience this may cause and appreciate your understanding.

Thank you very much for your continued support and patronage. We sincerely apologize for the inconvenience, but our company will be closed all day on October 2, 2023 (Monday) in observance of our founding anniversary. We appreciate your understanding and cooperation in this matter.

We exhibited at "INCHEM TOKYO 2023," which was held at Tokyo Big Sight from September 20 (Wednesday) to 22 (Friday). Thank you very much for visiting our booth despite your busy schedule. 【Details of Exhibits】 ■ New Bio-Clean Diaphragm Valve ■ Ball Valve Series Suitable for a Wide Range of Fields ■ Various Lined Bodies with Excellent Corrosion and Chemical Resistance ■ PFA Lined 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 were unable to address at the venue, please feel free to contact us.

Our company will be closed for a company-wide holiday during the period below. We apologize for any inconvenience this may cause and appreciate your understanding. Summer holiday period: August 11 (Friday) to August 16 (Wednesday), 2023 Inquiries received during this holiday period will be addressed sequentially starting from August 17 (Thursday) after the holiday.

We exhibited at the "25th INTERPHEX JAPAN," held at Tokyo Big Sight from July 5 (Wednesday) to July 7 (Friday). Thank you very much for visiting our booth despite your busy schedule. 【Details of Our Exhibits】 ■【New】Bio-Clean Diaphragm Valve ■Products with excellent dead space measures ■Corrosion-resistant valves with sanitary specifications ■Sanitary butterfly valve for powder and granule discharge *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.

I would like to extend my heartfelt congratulations for the New Year. 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 from January 5th. 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 New Year holiday during the following period. Closure period: December 30, 2022 (Friday) to January 4, 2023 (Wednesday) We will respond to inquiries made through this site or via email sequentially starting from January 5 (Thursday) after the holiday period. We apologize for any inconvenience this may cause and appreciate your understanding.

Our company will be closed for a company-wide holiday during the period below. We apologize for any inconvenience this may cause and appreciate your understanding. Summer vacation period: August 11 (Thursday) to August 15 (Monday), 2022 Inquiries received during this holiday period will be addressed sequentially starting from August 16 (Tuesday) after the holiday.

We exhibited at the "24th Interphex Week Tokyo," held at Tokyo Big Sight from July 13 (Wednesday) to July 15 (Friday) this year. Thank you very much for visiting our booth despite your busy schedule. 【Exhibition Details】 ■ Bioclean diaphragm valve ■ Quick-opening handle type: BQL400NB model ■ Products excellent in 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 you have any requests or questions that we were unable to address at the venue, please feel free to contact us.

I would like to extend my heartfelt congratulations for the New Year. 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 normal operations since January 5th. We will respond to inquiries received during the holiday period in due course. We appreciate your patience and understanding.

We exhibited at the "INCHEM TOKYO 2021 34th Plant Show" held at Tokyo Big Sight from November 17 (Wednesday) to 19 (Friday), 2021. Thank you very much for visiting our booth despite your busy schedule. 【Exhibition Details】 ■ Diaphragm Valves - We showcased various lined bodies with excellent corrosion and chemical resistance. ■ Bio-Clean Diaphragm Valves - Sanitary diaphragm valves ideal for manufacturing equipment in pharmaceuticals, cosmetics, food, and semiconductors. ■ Ball Valves - In addition to standard two-way valve types, we offer a series of ball valves suitable for a wide range of applications. - Various valve seats that can be used under special conditions such as abrasive fluids and high-temperature fluids were exhibited. ■ Butterfly Valves - We presented high-value products such as PFA-lined discharge valves for pharmaceutical containers. *For more details, please download our catalog or contact us. (We have English and Chinese versions available for those who need them!) *If you have any requests or questions that we were unable to address at the venue, please feel free to contact us.

From December 30, 2021 (Thursday) to January 4, 2022 (Tuesday) Our company will be closed for a company-wide holiday during the above period. We apologize for any inconvenience this may cause and thank you for your understanding.

Dear Sir/Madam, I hope this message finds you in good health and spirits. 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 Friday, October 22, 2021, as it is a substitute holiday for our founding anniversary. We apologize for any inconvenience this may cause and appreciate your understanding.

From May 6, 2021 (Thursday) to May 7, 2021 (Friday) Due to the declaration of a state of emergency, our company will be closed for business during the above period. We apologize for any inconvenience this may cause and thank you for your understanding.

I would like to extend my heartfelt congratulations for the New Year. I sincerely thank you for your exceptional support during the past year. I kindly ask for your continued patronage this year as well. We will resume normal business operations from January 5th. We will respond to inquiries received during the closure in due order. Thank you for your patience and understanding.

From December 30, 2020 (Wednesday) to January 4, 2021 (Monday) Our company will be closed for a company-wide holiday during the above period. We apologize for any inconvenience this may cause and thank you for your understanding.

We exhibited at the 22nd Interphex Japan held at Makuhari Messe from November 25 to 27, 2020. Thank you very much for visiting our booth despite your busy schedule. 【Exhibited Products Introduction】 1. CNT (Carbon Nanotube) Added Antistatic Diaphragm - A product designed to prevent leakage due to electrostatic breakdown! 2. Quick-Opening Handle Type: BQL400NB - Easy operation with a 90-degree rotation, preventing over-tightening of the valve for longer lifespan! 3. Corrosion-Resistant Valve with Sanitary Specifications - Ideal for corrosive fluid measures, gap corrosion prevention, and metal ion elution prevention! 4. Sanitary Butterfly Valve for Powder and Granular Discharge - Excellent washability with a lightweight and compact design using a clamp method! 5. Bio-Clean Diaphragm Valve - A structure that excels in "air tightness," "cleanability," and "maintainability," preventing fluid contamination! *For more details, please download the catalog or contact us. *If you have any requests or questions that we were unable to address at the venue, please feel free to contact us.

From August 8 (Saturday) to August 11 (Tuesday), 2020 Our company will be closed for a company-wide holiday during the above period. We apologize for any inconvenience this may cause and appreciate your understanding.