Notice of Year-End and New Year Holidays

Nippon Daiya Valve Co., Ltd.

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.

Introduction to Our Efforts for the Environment

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Related product information

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!"

For more details, please refer to the PDF document 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.)
Japan Diavalve Co., Ltd. Company Profile
Contributing to our customers' technological innovation! Providing reliable technology, products, and services that respond promptly to changes in the times.

【Products (Partial)】 ■ Diaphragm Valves - Wear Type Diaphragm Valve: 400 Series - Straight Type Diaphragm Valve: 500 Series ■ Ball Valves - Two-Way Ball Valve: Fire Safe Type: F100 Series - Two-Way Ball Valve: Derivative Models ■ Sanitary Related Valves - Bio-Clean Diaphragm Valve: B400 Series - Self-Drain Type B400F Series, etc. *For more details, please refer to the PDF materials or feel free to contact us.
Japan Diavalve Co., Ltd. "Product Guide" Catalog
Introducing high-quality diaphragm valves, ball valves, and butterfly valves!

【Featured Products】 ■ Wear Type Diaphragm Valves ・ PO1400 Series ・ HO1400 Series, etc. ■ Bio-Clean Valves ・ BPO1400 Series ・ BQL400 Series ■ Straight Type Diaphragm Valves ・ PN1500 Series ・ HN1500 Series, etc. ■ Valves for Nuclear Power Plants ・ A400 Series ・ ABO1400 Series ■ Rubber-Lined Check Valves ・ B900 Series, etc. *For more details, please refer to the catalog or feel free to contact us. (We have a Chinese version available for those who need it!)