Diaphragm Valve - Company Ranking(6 companyies in total)

Last Updated：Aug 13, 2025 Aggregation Period:Jul 16, 2025〜Aug 12, 2025
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Company Name	Company information	Featured Products
Company Name	Company information	Product Image, Product Name, Price Range	overview	Application/Performance example
日本ダイヤバルブ本社　業務・開発部	Address Tokyo/ number of employees 236 Business Activities Japan Diaphragm Valve manufactures and sells high-performance, safe, and environmentally friendly products that meet diverse needs, in addition to its main product, diaphragm valves, including ball valves and butterfly valves. ■ 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 fluid composition 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-port valves and V-port valves. ■ Butterfly Valve We handle 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 excellent corrosion resistance that have undergone PFA lining processing, which have received positive feedback. ■ Other Valves Please feel free to contact us. Key Partners	NDV Bio-Clean Diaphragm Valve [Manual Operation Valve] Other	【Other Features】 ■BQL400N Type - Stable closing performance can be achieved with simple 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!)	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!)
		Diaphragm valve (Type 400 / Type 500) Other	For more details, please refer to the PDF document or feel free to contact us.	【Applicable Fields】 <Wafer Type Diaphragm Valve: 400 Series> ■ Chemicals, Environmental & Water Treatment, Steel, Shipbuilding, Pharmaceuticals, Food, Semiconductors, Power Generation, etc. <Straight Type Diaphragm Valve: 500 Series> ■ Water Treatment Plants, Wastewater Treatment Plants, etc. *For more details, please refer to the PDF materials or feel free to contact us.
		NDV Bio-Clean Diaphragm Valve Other	【Other Features】 ■ Products with excellent corrosion and chemical resistance ■ Sanitary specification diaphragm ■ Environmentally friendly ■ Consistent manufacturing in clean rooms *For more details, please refer to the sanitary valve catalog (pages 8 to 16) or feel free to contact us. (English and Chinese versions are available upon request!)	For more details, please refer to the sanitary-related valve catalog (pages 8 to 16) or feel free to contact us. (We have English and Chinese versions available if needed!)
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日本ダイヤバルブ本社　業務・開発部

Address

Tokyo/

number of employees

236

Business Activities

Japan Diaphragm Valve manufactures and sells high-performance, safe, and environmentally friendly products that meet diverse needs, in addition to its main product, diaphragm valves, including ball valves and butterfly valves. ■ 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 fluid composition 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-port valves and V-port valves. ■ Butterfly Valve We handle 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 excellent corrosion resistance that have undergone PFA lining processing, which have received positive feedback. ■ Other Valves Please feel free to contact us.

Key Partners

Featured Products

NDV Bio-Clean Diaphragm Valve [Manual Operation Valve]

overview

【Other Features】 ■BQL400N Type - Stable closing performance can be achieved with simple 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!)

Application/Performance example

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!)

Diaphragm valve (Type 400 / Type 500)

overview

For more details, please refer to the PDF document or feel free to contact us.

Application/Performance example

【Applicable Fields】 <Wafer Type Diaphragm Valve: 400 Series> ■ Chemicals, Environmental & Water Treatment, Steel, Shipbuilding, Pharmaceuticals, Food, Semiconductors, Power Generation, etc. <Straight Type Diaphragm Valve: 500 Series> ■ Water Treatment Plants, Wastewater Treatment Plants, etc. *For more details, please refer to the PDF materials or feel free to contact us.

NDV Bio-Clean Diaphragm Valve

overview

【Other Features】 ■ Products with excellent corrosion and chemical resistance ■ Sanitary specification diaphragm ■ Environmentally friendly ■ Consistent manufacturing in clean rooms *For more details, please refer to the sanitary valve catalog (pages 8 to 16) or feel free to contact us. (English and Chinese versions are available upon request!)

Application/Performance example

For more details, please refer to the sanitary-related valve catalog (pages 8 to 16) or feel free to contact us. (We have English and Chinese versions available if needed!)
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Address

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Business Activities

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Diaphragm Valve - Company Ranking(6 companyies in total)

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