We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Diaphragm Valve.
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Diaphragm Valve Product List and Ranking from 28 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

Diaphragm Valve Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. 日本ダイヤバルブ 本社　業務・開発部 Tokyo//Machine elements and parts
  2. エマソンバルブアンドコントロールジャパン Tokyo//Machine elements and parts
  3. Fujikin Incorporated Tokyo//Machine elements and parts
  4. 4 KITZ SCT Corporation Tokyo Headoffice Tokyo//Electronic Components and Semiconductors
  5. 5 トーステ Osaka//Ferrous/Non-ferrous metals
Go to Company Ranking

Diaphragm Valve Product ranking

Last Updated： Aggregation Period:Sep 17, 2025～Oct 14, 2025
This ranking is based on the number of page views on our site.

  1. KTM manual diaphragm valve エマソンバルブアンドコントロールジャパン
  2. Japan Diavalve Co., Ltd. "Product Guide" Catalog 日本ダイヤバルブ 本社　業務・開発部
  3. Fujikin Co., Ltd. "Diaphragm Valve" Fujikin Incorporated
  4. 4 Diaphragm Valve Comprehensive Catalog *Includes Technical Data 日本ダイヤバルブ 本社　業務・開発部
  5. 5 KTM Manual ISO Diaphragm Valve エマソンバルブアンドコントロールジャパン

Diaphragm Valve Product List

106～112 item / All 112 items

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Bio-clean diaphragm valve [Air-operated / Standard type]

Bio-clean diaphragm valve [Air-operated / Standard type]

Achieves significant weight reduction and compactness! A standard type air-operated ON-OFF valve with greatly improved durability. Prevents excessive load with a stopper nut.

This product is a valve developed for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The air-operated ON-OFF valve is available in the standard type 'BPO1400NB(N)'. By adopting a wear ring on the outer circumference of the piston, the operation becomes smooth, significantly improving durability, and the use of a stopper nut prevents excessive load on the diaphragm. 【Features】 ■ Significant weight reduction and compact design ■ Major improvements in smooth operation and durability ■ Excellent cleaning-friendly exterior shape ■ Environmentally friendly paint used *For more details, please refer to the catalog (P13-14) 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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Rapid opening and closing handle - Bio-clean diaphragm valve

Rapid opening and closing handle - Bio-clean diaphragm valve

Easy with 90-degree operation! Prevents over-tightening and damage! "I'm worried if it's tightened securely..." We solve this kind of problem.

The "BQL400NB model" is a rapid opening and closing type handle diaphragm valve from BioClean. While the standard handle type requires about 5 rotations for operation (in the case of DN50), the rapid opening and closing handle allows for a very simple operation of just "opening and closing by 90 degrees." The valve's open and closed status can be clearly identified from a distance based on the handle position. Additionally, it has achieved a lighter and more compact design compared to conventional products. We invite you to try the easy operation and stable sealing performance of the 90-degree rotating lever handle. 【We solve these problems!】 ■ Excessive opening and closing torque → Reduction is possible, greatly contributing to labor savings. ■ Want to check the opening and closing status from a distance → The valve's open and closed status can be clearly seen from a distance based on the handle position. ■ Damage caused by over-tightening the valve → Only the minimum necessary operation is required. This prevents damage and extends the lifespan. *For more details, please refer to the PDF materials 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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[New Product] EX-Bio Clean Diaphragm Valve

[New Product] EX-Bio Clean Diaphragm Valve

Enhanced leakage prevention performance with the adoption of a new seal structure! Next-generation diaphragm valve for pharmaceuticals, bioprocessing, cosmetics, food, and semiconductor manufacturing equipment!

Starting from July 2025, we began accepting orders for the new product series "EX-Bioclean Diaphragm Valve." This product is a next-generation diaphragm valve developed from the existing "Bioclean Diaphragm Valve" series designed for pharmaceutical and related equipment, featuring a new sealing structure. While maximizing the characteristics of the diaphragm valve, such as "a structure that does not contaminate fluids" and "excellent cleanability," we have revamped the sealing structure to better 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 (shortened assembly time, elimination of tightening and alignment tasks) ■ Ensured compatibility! - Same performance in the wetted parts as conventional products - Equivalent durability and seat sealing performance to conventional products - Compatible with existing valve bodies ■ Safety performance and quality! - Can accommodate emergency tightening - 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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FF/FC-LDI Teflon lining diaphragm valve

FF/FC-LDI Teflon lining diaphragm valve

Fluororesin lining valve. The internal structure is meticulously calculated. It is a Teflon (PFA) lined diaphragm valve that boasts high performance and durability.

The 【FF-LDI/FC-LDI】 is a diaphragm valve with a flange connection type that features a Teflon (PFA) lining on the entire wetted area. It is a unique design that adds an EPDM sheet to a diaphragm valve, allowing for fine adjustments of flow rates. With outstanding durability that can withstand repeated use, the specially designed flow path shape for lining valves helps to minimize pressure loss. 【Features】 ■ Full wetted Teflon (PFA) lining ■ Reliable durability and chemical resistance ■ Unique design that minimizes pressure loss ■ Molding technology that brings together expertise ■ Automatic valves can be selected according to your needs ■ Resin body type 【FC-LDI】 is also available ■ Achieves further weight reduction while maintaining durability 【Main Usage Locations】 In waste liquid piping and chemical piping lines where fluid hazards are high, as well as in semiconductor, pure chemical, and ultra-pure water lines where high purity is required. 【Key Points】 Chemical Resistance: The chemical resistance of PFA minimizes the risks of corrosion and degradation to the utmost extent. Zero Leaching: Thanks to the superior strength of the C–F bond in PFA, it is not affected by leaching from almost all fluids.

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Diaphragm Valve Type 14

Diaphragm Valve Type 14

Flow characteristics close to linear! Achieves lightweight, compact design, and high corrosion resistance with a resin actuator.

We would like to introduce the "Diaphragm Valve Type 14" that we handle. It features a new rubber with high reliability for leak prevention, used in the diaphragm and cushion. The diaphragm can be replaced with a one-touch bayonet structure. It is equipped with a bottom stand that allows for easy and secure installation. Additionally, the air-operated version adopts the "NAMUR" standard for the air piping section and comes with an adjustable stopper at the fully closed position. 【Basic Specifications】 ■ Nominal Diameter: 15mm-100mm (1/2inch-4inch) ■ Body Material: U-PVC, C-PVC, PP, PVDF ■ Seal Material/Diaphragm: EPDM, PTEE, FKM, and others ■ Connection Standards/Flange Type: JIS 10K, DIN PN10, ANSI CLASS150 ■ Options: With handle lock for 15mm-50mm (1/2inch-2inch) ■ Ultra-pure Specification: Oil-free products *For more details, please refer to the PDF document or feel free to contact us.

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Free diaphragm valve type 14

Free diaphragm valve type 14

The valve body can be removed from the line! Newly equipped with a bottom stand with holes.

We would like to introduce our "Flexible Diaphragm Valve Model 14." With flow characteristics close to linear, it is designed for easy and reliable installation, featuring a newly equipped bottom stand with holes for inserts. This product allows for the removal of the valve body from the line. Please feel free to contact us if you have any inquiries. 【Basic Specifications (Partial)】 ■ Nominal Diameter: 15mm-50mm (1/2 inch-2 inch) ■ Body Material: U-PVC, C-PVC, PP, PVDF ■ Seal Materials - Diaphragm: EPDM, PTEE, FKM, and others - O-ring: EPDM, FKM, and others *For more details, please refer to the PDF document or feel free to contact us.

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Diaphragm Valve Type 72

Diaphragm Valve Type 72

Easy to confirm opening degree! Protects the inside and outside from corrosive chemicals and gases.

We would like to introduce the "Diaphragm Valve Type 72" that we handle. It features flow characteristics close to linear. The transparent gauge cover (made of polycarbonate) protects the interior and exterior from corrosive chemicals and gases. Additionally, the gauge cover serves as an indication, making it easy to check the opening degree. Please feel free to contact us if you have any requests. 【Basic Specifications】 ■ Nominal Diameter: 200mm, 250mm (8inch, 10inch) ■ Body Material: U-PVC, PP, PVDF ■ Seal Material/Diaphragm: EPDM, PTEE, FKM, and others ■ Connection Standards/Flange Type: JIS 5K, JIS 10K, DIN PN10, ANSI CLASS150 ■ Ultra-Pure Specification: Oil-free *For more details, please refer to the PDF document or feel free to contact us.

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