Nippon Daiya Valve Co., Ltd.

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Nippon Daiya Valve Co., Ltd. Company Profile
Japan Diaphragm Valve offers high-quality diaphragm valves, ball valves, and butterfly valves.
Since its founding in 1955, our company has made customer satisfaction (CS) — that is, "providing products that satisfy our customers" — the fundamental management policy. For over 60 years, we have supplied products such as diaphragm valves, ball valves, and butterfly valves tailored to our customers' needs. By providing these products across a wide range of industrial sectors, including pharmaceuticals, chemicals, semiconductors, and steel manufacturing, as well as in public sectors such as nuclear and thermal power generation, water supply and sewage, and waste treatment facilities, we take pride in contributing to the development of economic activities and the creation and maintenance of an environmentally sustainable society. Moving forward, we will continue to respond to our customers' requests and strive to be of service to society, with all employees making every effort. 【Main Areas of Service】 We provide a wide range of valves across various sectors, from industries such as pharmaceuticals, chemicals, semiconductors, and steel manufacturing to public sectors like nuclear and thermal power generation, water supply and sewage, and waste treatment facilities. ■ ISO 9001 and 14001 Certification Obtained *For more details, please download our company brochure or contact us.
Business Activities
Japan Diaphragm Valve manufactures and sells high-performance, safe, and environmentally friendly products that meet diverse needs, including diaphragm valves, ball valves, and butterfly valves, in addition to its main product, the diaphragm valve. ■ Diaphragm Valve This is our representative product, excelling in "sealing performance," "maintainability," and "corrosion and chemical resistance." It can be configured using a wide range of materials selected according to the composition of the fluid and usage conditions, making it suitable for a broad range of applications and offering excellent cost performance. ■ Ball Valve We offer ball valves suitable for a wide range of fields. In addition to the standard fire-safe type, you can choose from a rich lineup tailored to various applications, including multi-way valves and V-port valves. ■ Butterfly Valve We provide butterfly valves that excel in sealing and flow control. In addition to metal materials such as cast iron and stainless steel, we also offer products with PFA lining for excellent corrosion resistance, which have received positive feedback. ■ Other Valves Please feel free to contact us.
Recommended information
[New Product] EX-Bio Clean Diaphragm Valve
Enhanced leakage prevention performance with the adoption of a new seal structure! Diaphragm valves for pharmaceuticals, bioprocesses, cosmetics, food, and semiconductor manufacturing equipment!
Starting from July 2025, we will begin accepting orders for our new product series, the "EX-Bioclean Diaphragm Valve." This product is an evolution of the existing "Bioclean Diaphragm Valve" series designed for pharmaceutical and related facilities, featuring a new sealing structure for diaphragm valves. While maximizing the characteristics of diaphragm valves that have a "structure that does not contaminate fluids" and "excellent cleanability," we have revamped the sealing structure to meet user needs and further enhance product performance. 【Features】 ■ Improved airtightness! - New sealing structure that maintains high airtightness ■ Improved maintainability! - Enhanced workability during diaphragm assembly (reduced assembly time, possible omission of tightening and alignment tasks) ■ Ensured compatibility! - Same performance in the wetted parts as conventional products - Durability and seat sealing performance equivalent to conventional products - Compatible with existing valve bodies ■ Safety performance and quality! - Can accommodate tightening in emergencies - Applies safety technology proven in domestic nuclear power plants *For more details, please refer to the catalog or feel free to contact us.
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Detailed information
| Company name | Nippon Daiya Valve Co., Ltd. |
|---|---|
| number of employees | 245 |
| Contact address | postalcode 140-0005 Tokyo/ Shinagawa/ 1-3-22 Hiro-machiView on map TEL:03-3492-3034 FAX:03-3490-7950 |
| Business Locations | Click here for the list |
| Industry | Machine elements and parts |
Nippon Daiya Valve Co., Ltd. Building Image


