Company information
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.
Company overview
- Company name 日本ダイヤバルブ 本社 業務・開発部
- Establishment July 23, 1955
- capital 9600Ten thousand yen
- number of employees 245person
- Address 〒140-0005 Tokyo/ Shinagawa/ 1-3-22 Hiro-machi View on map
- TEL 03-3492-3034
- FAX 03-3490-7950

Business Locations (7)
-
-
-
-
-
北九州営業所Fukuoka/Kitakyushu-shi, Kokurakita-ku/竪町二丁目2番4号View on mapTEL 093-571-2438FAX 093-591-3277
-
海外営業拠点:天津泰雅閥門有限公司(TIANJIN DAIYA VALVE CO., LTD.)China/(All areas)/〒300457 天津市開発区第13大街145号(泰達総合保全区内)View on mapTEL +86-22-5981-3960FAX +86-22-5981-3961
-
海外営業拠点:NDV(Thailand)Co., Ltd.Thailand/(All areas)/700/691 Moo 1, Tambon Phanthong, Amphur Phanthong, Amata City Industrial Estate Chonburi, Chonburi 20160, Thailand.View on mapTEL +66-38-109-341FAX +66-38-109-344