NDV Bio-Clean Diaphragm Valve [Manual Operation Valve]
We offer various handle specifications! We can accommodate your requests, including rapid open/close types, those with lock nuts, and those with opening degree indicators.
This product is an optimal valve for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, semiconductors, and more. The handle specifications include the stainless steel handle type "B400N," the aluminum handle type "BC400" (B400NB), and optionally, the quick-open/close handle type "BQL400NB" (BQL400N). Additionally, we can accommodate requests for features such as lock nuts and opening degree indicators, so please feel free to consult us. 【Features】 ■ B400N - High cleanliness and durability of the outer surface ■ BC400 (B400NB) - Lightweight and focused on cost benefits *For more details, please refer to the catalog (P12) or the leaflet, or feel free to contact us. (English and Chinese versions are available upon request!)
basic information
【Other Features】 ■BQL400N Type - Stable closing performance can be achieved with easy operation (maximum closing differential pressure 0.6MPa) - The opening and closing status of the valve can be reliably identified from a distance based on the handle position - Long lifespan is expected without imposing excessive load on the diaphragm *For more details, please refer to the catalog (P12) leaflet or feel free to contact us. (English and Chinese versions are available upon request!)
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For more details, please refer to the catalog (P12) leaflet 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（11）
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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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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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Notice of Revision of Our Comprehensive Catalog "Sanitary Related Valves"
We have revised the comprehensive catalog for "Sanitary-related Valves" and published "D117-07." For more details, please refer to the related catalog. *If you would like to request a catalog, you can apply through the inquiry page. If you have any questions or concerns, please feel free to contact us.
