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
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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

61～75 item / All 112 items

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High Purity Line Diaphragm Valve "UCV Series"

High Purity Line Diaphragm Valve "UCV Series"

Ultra-clean diaphragm valve "UCV Series" designed to meet the cleanliness requirements for semiconductor manufacturing equipment and its associated piping.

This catalog includes the following items: - 3L Series (All Metal Seal) - 2L Series (Soft Seal) - EVZS Series (Crimped Sheet) - 2LE Series (Compact Type) You can choose valves with specifications tailored to your application and fluid. Pressure ratings: 1MPa, 16MPa, 21MPa Temperature: 250°C (All Metal Seal 3LT) The 2L and 3L series use a double melt material body to minimize particle generation from the valve. This achieves a high level of cleanliness required for semiconductor devices and improves yield in manufacturing lines. Additionally, we also offer the 2LM series flow control valve, which can be used in high-purity lines. If you are looking for overseas specifications for diaphragm valves, monoblock valves, or valves compatible with surface mounting, please submit a request through the contact form. *For more details, please download the PDF or feel free to contact us.

  • valve
  • Piping Materials
  • Other semiconductor manufacturing equipment

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High Purity Gas Series Compact Diaphragm Valve 'KCD Series'

High Purity Gas Series Compact Diaphragm Valve 'KCD Series'

Achieving further compactness based on the "KD series"! The basic performance inherits all the high specifications of the "KD series."

The "KCD Series" is a direct diaphragm valve that aims for further compactness based on the "KD Series." Without compromising durability, it achieves 4 million cycles for automatic valves and 100,000 cycles for manual valves. With the highest level of manufacturing environment and internal polishing treatment, it accommodates many high-purity gases for semiconductors and pursues particle performance to the utmost limit. 【Features】 ■ Successfully reduced the volume from 1.2 cm³ in the KD Series to 0.97 cm³ ■ Limited to 1/4" size while maintaining the same design as the KD Series, reducing the external size by approximately 20% and also lightweight ■ Achieves 4 million cycles for automatic valves and 100,000 cycles for manual valves without compromising durability ■ Accommodates many high-purity gases for semiconductors and pursues particle performance to the utmost limit #Pneumatics *For more details, please refer to the PDF document or feel free to contact us.

  • valve

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High Purity Gas Diaphragm Valve "KD Series"

High Purity Gas Diaphragm Valve "KD Series"

High-purity gases for semiconductor manufacturing processes! Pursuing extreme levels of sealing performance, durability, degassing performance, and corrosion resistance.

The "KD Series" is a highly reliable valve that achieves a high Cv value, is compatible with high-purity gases for semiconductors, and combines high durability with excellent corrosion resistance. By minimizing the vertical hole dimensions of the body and reducing the internal volume to 1.36 cm³, it realizes outstanding gas replacement characteristics. With the highest level of manufacturing environment and internal polishing treatment, it is designed to accommodate high-purity gases for semiconductors and pursues particle performance to the utmost limit. 【Features】 ■ Achieves excellent gas replacement characteristics by reducing the internal volume to 1.36 cm³ ■ Pursues high sealing performance, high durability, degassing performance, and corrosion resistance to the utmost limit ■ High corrosion resistance through carefully selected diaphragm materials and unique molding methods that eliminate individual differences to achieve high durability ■ Accommodates high-purity gases for semiconductors and pursues particle performance to the utmost limit #Pneumatics *KITZ SCT offers various proposals for fluid-related concerns in semiconductor manufacturing. For more details, please refer to the PDF materials or feel free to contact us.

  • valve

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High-pressure gas compatible high-purity gas diaphragm valve "RD Series"

High-pressure gas compatible high-purity gas diaphragm valve "RD Series"

We have achieved compact design and low torque for our high-pressure diaphragm valve! Manual and automatic valves are available!

The "RD Series" is a diaphragm valve that, while capable of handling high pressure, achieves compactness and low torque. The "manual valve" features a smooth operational feel and employs a large window and easily visible OPEN/CLOSE indicators to allow for immediate confirmation of the open/closed status. The "automatic valve" enhances the rigidity of the connection between the body and actuator, improving reliability, and incorporates a patented wedge-type amplification mechanism, resulting in a compact and highly durable actuator. 【Features】 <Manual Valve> ■ Adoption of a large wheel handle for a smooth operational feel ■ Large window and easily visible OPEN/CLOSE indicators for immediate confirmation of the open/closed status *For more details, please refer to the PDF document or feel free to contact us.

  • valve

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High Purity Gas Diaphragm Valve "VLD Series"

High Purity Gas Diaphragm Valve "VLD Series"

Minimization and simplification of drive components achieved! A diaphragm valve that supports high-purity gases for semiconductors and pursues particle performance to the limit.

The "VLD Series" is a diaphragm valve that is based on the "KD Series," designed to pursue ease of use and simplicity. While maintaining the basic performance, materials, and cleanliness, we have reviewed the components, changed the processing methods, and reduced the number of parts to achieve safety and low prices. With the highest level of manufacturing environment and internal polishing treatment, we have addressed high-purity gases for semiconductors and pursued particle performance to the extreme. 【Features】 ■ Minimization and simplification of drive components ■ Achieving safety and low prices ■ Cleaning and inspection processes are equivalent to the conventional model ■ Reliability and durability performance remain unchanged ■ Addressing high-purity gases for semiconductors and pursuing particle performance to the extreme *KITZ SCT offers various proposals for fluid-related concerns in semiconductor manufacturing. For more details, please refer to the PDF materials or feel free to contact us.

  • valve

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High-purity gas diaphragm valve "Two-Step Valve"

High-purity gas diaphragm valve "Two-Step Valve"

This is a revolutionary composite valve that enables flow adjustment and two-stage control of fully open/fully closed with a single unit.

The "Two-Step Valve" is a revolutionary composite valve that enables manual flow adjustment and two-stage control of fully open/fully closed using an air actuator, all in one unit. By controlling the fluid with a diaphragm instead of a needle, it achieves particle-free and speedy gas supply. This eliminates the need for bypass piping and control equipment in conventional systems, allowing for significant cost reduction and space-saving. 【Features】 ■ Enables manual flow adjustment and two-stage control of fully open/fully closed with an air actuator in one unit ■ Achieves particle-free and speedy gas supply ■ Eliminates the need for bypass piping and control equipment in conventional systems ■ Allows for significant cost reduction and space-saving ■ Suitable Cv values can be set as needed according to the intended use *KITZ SCT offers various proposals for fluid-related concerns in semiconductor manufacturing. For more details, please refer to the PDF materials or feel free to contact us.

  • valve

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Diaphragm Valve with Relief Function 'KD Series'

Diaphragm Valve with Relief Function 'KD Series'

This is a diaphragm valve with a safety feature that lowers the pressure in the piping when abnormal pressure occurs. It is suitable for safety measures such as in cylinder cabinets!

The "KD Series" is a diaphragm valve with a safety feature that reduces the pressure in the piping when abnormal pressure occurs. It offers selectable cracking pressures (1.0-1.4MPa(G) or 1.6-2.0MPa(G)) and features a particle-free structure with no springs or O-rings in the gas contact area. It can be used for safety measures in cylinder cabinets and other applications. 【Features】 ■ Equipped with a safety function that automatically reduces the pressure on the primary side when the pressure in the piping exceeds the cracking pressure. ■ Selectable cracking pressures (1.0-1.4MPa(G) or 1.6-2.0MPa(G)). ■ Particle-free structure with no springs or O-rings in the gas contact area. *KITZ SCT offers various solutions for fluid-related issues in semiconductor manufacturing. For more details, please refer to the PDF materials or feel free to contact us.

  • valve

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High-purity gas diaphragm valve "High-temperature (250℃) compatible valve"

High-purity gas diaphragm valve "High-temperature (250℃) compatible valve"

Achieving high performance, compactness, and low cost! Ideal for organic metal-based semiconductor processes that require uniform heat distribution.

The "high-temperature (250℃) compatible valve" can be used at 250℃ by making all valve components fully metallic. Thanks to its unique design, it minimizes the drop in Cv value in high-temperature environments, achieving high performance, compactness, and low cost. Additionally, not only the gas-contacting parts but all components of the valve, including the actuator, can be used in high-temperature environments, making it suitable for processes that require uniform heat distribution in organometallic systems. 【Features】 ■ All valve components are fully metallic, allowing use at 250℃ ■ Minimizes the drop in Cv value, achieving high performance, compactness, and low cost ■ All components of the valve, including the actuator, can be used in high-temperature environments ■ Suitable for processes that require uniform heat distribution in organometallic systems *KITZ SCT offers various solutions for fluid-related issues in semiconductor manufacturing. For more details, please refer to the PDF document or feel free to contact us.

  • valve

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Complete Case Study of Flow Paths: Safety Measures for Raw Material Container Valves *Currently Available for Free

Complete Case Study of Flow Paths: Safety Measures for Raw Material Container Valves *Currently Available for Free

Take proactive measures against risks during the transportation of semiconductor raw material containers. Presenting examples of safety measures.

Are there issues such as the raw material container valve, which was tightly closed at the time of shipment, becoming loose due to vibrations during transport, or workers accidentally removing caps or plugs without noticing that the handle is partially open, leading to challenges in preventing loosening and human error during the transport of raw material containers? KKITZ SCT offers various proposals for fluid-related concerns in semiconductor manufacturing. If you have any specific cases of interest, please contact us via Ipros or our company website. Website: https://www.kitzsct.com/contact/product/?utm_source=Ipros&utm_medium=web&utm_campaign=Arbooth

  • Other semiconductor manufacturing equipment
  • valve
  • Stainless steel container

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Case Study: Measures to Prevent Loosening of Valve Handles During Equipment Transport *Currently Available for Free

Case Study: Measures to Prevent Loosening of Valve Handles During Equipment Transport *Currently Available for Free

"Complete Case Study of Flow Paths" Taking proactive measures against risks during the transportation of semiconductor gas supply equipment. Presenting examples of safety measures.

We confirmed that the valve attached to the device was closed at the time of shipment, but due to vibrations during transportation, the valve handle became loose. Although we manage the valve handle with a lock, the time taken by operators to unlock it is an issue. Are there any challenges regarding preventing loosening during equipment transportation? KITZ SCT offers various proposals for fluid-related concerns in semiconductor manufacturing. If you have any specific cases of interest, please contact us through Ipros or our website. Website: https://www.kitzsct.com/contact/product/?utm_source=Ipros&utm_medium=web&utm_campaign=Arbooth

  • Other semiconductor manufacturing equipment
  • CVD Equipment
  • Oxidation/Diffusion Device

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Case Study: Measures Against Incorrect Valve Operation Due to Human Error *Currently Available for Free

Case Study: Measures Against Incorrect Valve Operation Due to Human Error *Currently Available for Free

Complete Case Study of Flow Paths: Lock valves with locks and tagged wires! Presenting examples of measures against valve misoperation.

During busy times or when operations that are not usually performed occur, operational mistakes are likely to happen. We will introduce examples of preventing accidents caused by human error by reducing the psychological burden on workers. KITZ SCT offers various proposals for fluid-related issues in semiconductor manufacturing. If you have any concerns, please contact us via Ipros or our company website. Website: https://www.kitzsct.com/contact/product/?utm_source=Ipros&utm_medium=web&utm_campaign=Arbooth

  • Other semiconductor manufacturing equipment
  • CVD Equipment
  • Oxidation/Diffusion Device

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