NDV【Bio-Clean Diaphragm Valve】Standard Specifications
We offer valve body specifications with stainless steel bodies and lined bodies!
This product is the ideal valve for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The valve body specifications are available in "stainless steel body" and "lined body." The diaphragm is made of New PTFE on the fluid side, with a cushion rubber of EPDM (or EPDM + a) specification. 【Stainless Steel Body Production Body List (Excerpt)】 <Stainless Steel Forged Products> ■ Main Material: SUS316L ■ Material Code Number: 14 ■ Ferrule (Nominal Diameter [DN]): 8 to 100 *For more details, please refer to the catalog (P10-11) or feel free to contact us. (English and Chinese versions are available upon request!)
basic information
【Stainless Steel Body - List of Manufactured Bodies (Excerpt)】 <Stainless Steel Cast Steel> ■Main Material: SCS16 ■Material Code Number: 13 ■Ferrule (Nominal Diameter [DN]): 8 to 50 *For more details, please refer to the catalog (P10-11) 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.)
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Applications/Examples of results
For more details, please refer to the catalog (P10-11) or feel free to contact us. (We have English and Chinese versions available for those who need them!)
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News about this product（12）
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Notice of participation in FLOWTECH CHINA 2025 from June 4 (Wednesday) to June 6 (Friday), 2025.
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!
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Notice of participation in the Shenzhen International Semiconductor Technology and Application Exhibition (SEMI-e) from June 26 (Wednesday) to June 28 (Friday), 2024.
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!
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Notice of Revision of Our Comprehensive Catalog "Sanitary-Related Valves"
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.
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New stainless steel limit switch box exclusively for diaphragm valves has arrived!!
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.
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Notice of participation in the Shenzhen International Semiconductor Technology and Application Exhibition (SEMI-e) from May 16 (Tuesday) to May 18 (Thursday), 2023.
Daiya Valve Co., Ltd. will exhibit at the "Shenzhen International Semiconductor Technology and Application Exhibition (SEMI-e)" held at the Shenzhen Futian Exhibition Center from May 16 (Tuesday) to May 18 (Thursday), 2023. This exhibition is a comprehensive international showcase related to manufacturing technologies, equipment, and materials in the semiconductor industry, and we will present various valve products, including the "Bio-Clean Diaphragm Valve," from our local subsidiary, Tianjin Daiya Valve Co., Ltd. [Exhibition Details] ■ Quick-Opening Handle Type: BQL400NB Model: Easy operation with a 90-degree rotation, excellent visibility, and stable shut-off performance! ■ Bio-Clean Diaphragm Valve: A sanitary valve with excellent "air tightness," "cleanability," and "maintainability"! ■ PFA Lined Valve: Exhibiting various PFA lined valves with excellent corrosion and chemical resistance! ■ CNT (Carbon Nanotube) Added Anti-Static Diaphragm: Leakage prevention product against electrostatic breakdown! We warmly invite you to visit our booth when you attend the exhibition. We look forward to seeing you!
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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.