Diaphragm Valve Product List and Ranking from 30 Manufacturers, Suppliers and Companies

Diaphragm Valve "VM"

Achieve accurate and effective control while minimizing the risk of water hammer!

The "VM" is a diaphragm valve particularly suitable for blocking or regulating highly abrasive fluids and dirty fluids. With control via a handwheel and a diaphragm seal, it achieves precise and effective control while minimizing the risk of water hammer. Additionally, the optimization of hydraulic efficiency made possible by the new internal structure of the body enables maximum output flow. 【Features】 ■ Connection system compatible with solvent-welded and flanged joints ■ Hydraulically optimized design ■ Handwheel that maintains the same height when rotated, equipped with internal bearings to minimize friction and operating torque ■ Standard optical indicator ■ Complete isolation of metal internal moving parts from the transported fluid *For more details, please refer to the PDF document or feel free to contact us.

Company：河口・サポート名古屋事務所
Price：Other

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NDV "Sanitary Related Valves" Comprehensive Catalog

Manufacturing equipment for pharmaceuticals, food, semiconductors, etc.! A wide variety of sanitary specification valves available.

This document is a "comprehensive catalog" featuring sanitary specification valves suitable for manufacturing equipment in pharmaceuticals, food, semiconductors, and more. It includes the "Bio-Clean Diaphragm Valve Series," which maximizes the features of diaphragm valves, as well as sanitary butterfly valves for pharmaceutical containers. Customers can select valves tailored to their applications and the fluids they use. [Contents] ■ Bio-Clean Diaphragm Valves ■ Dead Space Countermeasure Products ■ Special Valves and Related Products ■ Sanitary Valves and Cleanroom Related Products ■ Technical Documentation *For more details, please refer to the PDF document 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.)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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NDV Bio-Clean Diaphragm Valve

It is possible to manufacture valve bodies tailored to specific applications and specifications! "Bioclean diaphragm valves that are optimal for pharmaceutical bioprocesses and more."

This product is a valve suitable for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The diaphragm completely isolates the fluid from the drive mechanism, providing a highly airtight structure. It has a packless design that eliminates the gland packing area, which is often associated with a high risk of leakage in general valves, thus excelling in maintaining airtightness and preventing bacterial contamination. 【Features】 ■ Excellent airtightness ■ Structure that does not contaminate the fluid ■ Superior cleanability ■ Excellent maintainability ■ Customizable valve body to match applications and specifications *For more details, please refer to the sanitary valve catalog (pages 8-16) or feel free to contact us. (English and Chinese versions are available upon request!)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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Ceramic lining diaphragm valve "480(04) type"

Introduction to porcelain lining products with excellent resistance to corrosion and chemicals.

The "480(04) type" is a diaphragm valve made of porcelain lining that excels in corrosion and chemical resistance. It does not experience the permeation of chemical liquids, which can be a concern under certain conditions with fluororesin lining or rubber lining. Additionally, it is suitable not only as a corrosion-resistant valve for strong acid fluids but also for highly permeable fluids such as hydrochloric acid and phosphorus trichloride. 【Features】 ■ Does not experience the permeation of chemical liquids, which can be a concern under certain conditions with fluororesin lining or rubber lining. ■ Suitable not only as a corrosion-resistant valve for strong acid fluids but also for highly permeable fluids such as hydrochloric acid and phosphorus trichloride. ■ Base material: FCD-S, Lining: Porcelain *For more details, please refer to the PDF materials or feel free to contact us. (We have English and Chinese versions of the catalog available upon request!)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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Rapid opening and closing handle - Bio-clean diaphragm valve

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

The "BQL400NB model" is a rapid-opening and closing type handle diaphragm valve from BioClean. While the standard handle version requires about 5 turns of operation (for DN50), the rapid-opening and closing handle allows for a very simple operation of just 【opening and closing by 90 degrees】. The position of the handle makes it clear to see the valve's open and close status even from a distance. Additionally, it has achieved a lighter and more compact design compared to conventional products. Please try the easy operation and stable sealing performance of the 90-degree rotating lever handle. 【We solve the following problems!】 ■ The opening and closing torque is excessive. → It can be reduced, greatly contributing to labor savings. ■ I want to check the open and close status from a distance. → The handle position clearly shows the valve's open and close status even from afar. ■ The valve is damaged due to over-tightening. → Only the minimum necessary operation is required. This prevents damage and extends 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.)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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Japan Diavalve Co., Ltd. Company Profile

Contributing to our customers' technological innovation! Providing reliable technology, products, and services that respond promptly to changes in the times.

Our company can select and provide valves made of suitable materials and structures for various types and conditions of fluids based on extensive experimental data and rich experience, through custom production tailored to our customers' needs. To deliver products that match societal needs in response to the rapid changes of the times, we are advancing technology development and research and development through our unique system. Additionally, we conduct strict quality control based on a quality assurance system certified by ISO 9001. 【Business Content】 ■ Manufacturing and sales of valves - Diaphragm valves - Ball valves - Butterfly valves - Other types of valves *For more details, please refer to the PDF materials or feel free to contact us.

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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Information on our product and service support contact.

Accurate implementation of "preventive maintenance" reduces risks and prevents troubles before they occur!

At Japan Diaball Valve, we provide reliable, safe, and high-quality after-sales service. Our employees actually visit the site to conduct inspections and repairs while observing the conditions on-site. *Please feel free to contact us, as there may be cases where on-site inspections and repairs are difficult, such as with large-diameter valves. We support our users through five sales bases across the country and partner companies. For preventive maintenance and upkeep, please consult with us. We offer free materials featuring case studies available for download in PDF format. Please take a look. 【Features】 ■ Supporting the long-term maintenance and management of user facilities ■ Providing various maintenance-related services for our products based on our unique know-how accumulated over many years and the assurance of manufacturer quality ■ Accurately executing service operations entrusted to us by users, based on over half a century of rich experience and solid technical skills.

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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Valve FAQ Frequently Asked Questions [General NDV Products Edition]

General NDV Products Edition! We will answer frequently asked questions about valves.

This document summarizes frequently asked questions about NDV products in general, specifically regarding valves, and provides answers in a Q&A format. If you have any questions or requests regarding our products, please feel free to contact us. 【Contents (Q&A)】 ■ What types of valves does NDV handle? ■ Are there any restrictions on the installation position of the valve piping? ■ Why can multiple actuators be selected for a single nominal diameter? ■ What is the NAMUR standard? *For more details, please refer to the PDF document or feel free to contact us.

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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Frequently Asked Questions about Valves [Diaphragm Valve Edition]

Diaphragm Valve Edition! We will answer frequently asked questions about valves!

This document summarizes frequently asked questions about diaphragm valves and provides answers in a Q&A format. If you have any questions or requests regarding our products other than diaphragm valves, please feel free to contact us. 【Contents (Q&A)】 ■ What is the history of diaphragm valves? ■ Can you explain the structure of diaphragm valves? ■ What are the characteristics of diaphragm valves? ■ How should I select the combination of the body and diaphragm? ■ What is the durability and lifespan of the diaphragm? *For more details, please refer to the PDF document or feel free to contact us.

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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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!)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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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!)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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Bio-clean diaphragm valve [air-operated/stainless steel type]

Prevents the generation of foreign substances due to coating peeling! Air-operated ON-OFF valve made of stainless steel with excellent corrosion resistance. Compact and buff-polished for excellent cleanability.

This product is an ideal valve for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The air-operated ON-OFF valve is available in the stainless steel drive model 'BPO1400N type 05S to 16S'. Since painting is not required, it prevents the occurrence of foreign substances due to peeling of the coating, and a retaining ring method is used to secure the bonnet and cylinder. With minimal unevenness and compact design, along with buff polishing, it offers excellent cleanability. 【Features】 ■ All stainless steel construction with excellent corrosion resistance ■ Exterior shape with superior cleanability ■ Significant improvement in smooth operation and durability *For more details, please refer to the catalog (P15-16) or feel free to contact us. (English and Chinese versions are available upon request!)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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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.)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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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.)

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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[New Product] EX-Bio Clean Diaphragm Valve

Enhanced leakage prevention performance with the adoption of a new seal structure! Diaphragm valves for pharmaceuticals, bioprocesses, cosmetics, food, and semiconductor manufacturing equipment!

Starting from July 2025, we will begin accepting orders for our new product series, the "EX-Bioclean Diaphragm Valve." This product is an evolution of the existing "Bioclean Diaphragm Valve" series designed for pharmaceutical and related facilities, featuring a new sealing structure for diaphragm valves. While maximizing the characteristics of diaphragm valves that have a "structure that does not contaminate fluids" and "excellent cleanability," we have revamped the sealing structure to 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 (reduced assembly time, possible omission of tightening and alignment tasks) ■ Ensured compatibility! - Same performance in the wetted parts as conventional products - Durability and seat sealing performance equivalent to conventional products - Compatible with existing valve bodies ■ Safety performance and quality! - Can accommodate tightening in emergencies - Applies safety technology proven in domestic nuclear power plants *For more details, please refer to the catalog or feel free to contact us.

Company：Nippon Daiya Valve Co., Ltd.
Price：Other

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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.

Company：ULTIVATE Inc.
Price：Other

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Piping Materials
hose
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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.

Company：三島工具
Price：Other

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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.

Company：三島工具
Price：Other

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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.

Company：三島工具
Price：Other

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DK-LOK UHP diaphragm valve (equivalent to VCR fittings)

High quality, low price UHP diaphragm valve

We would like to introduce the "UHP Diaphragm Valve" that we handle. Equivalent to DK-LOK's VCR fittings. It offers high quality at a low price, with the material being SUS316L, which uses Japanese-made materials. Additionally, we have manual valves and air-operated valves available. Please feel free to contact us if you have any requests. 【Our Features】 ■ High-quality products with excellent cost performance ■ Specialists in LOK fittings, pressure sensors, and pressure gauges ■ A rich lineup of products *For more details, please download the PDF (English version) or feel free to contact us.

Company：ロックフィット
Price：Other

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Piping Materials
Other semiconductor manufacturing equipment
Diaphragm Valve

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High-Temperature Compatible Diaphragm Valve for Semiconductors

Diaphragm valve that achieves stable supply even in high-temperature environments.

In semiconductor manufacturing, the supply of chemical solutions requires high purity and temperature control. In particular, the degradation of chemicals and contamination by foreign substances can seriously affect product quality. Additionally, usage in high-temperature environments significantly impacts the durability and reliability of valves. The high-temperature diaphragm valves, 'ZD Series' and 'ZD-K Series,' address these challenges and ensure stable chemical supply. 【Application Scenarios】 - Chemical supply lines - Supply to material containers - Use in high-temperature environments 【Benefits of Implementation】 - Improved maintainability through sheet replacement - Stable performance in high-temperature environments - Maintenance of high product purity

Company：KITZ SCT Corporation Tokyo Headoffice
Price：Other

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Diaphragm Valve Product List and Ranking from 30 Manufacturers, Suppliers and Companies | IPROS GMS

Diaphragm Valve Manufacturer, Suppliers and Company Rankings

Diaphragm Valve Product ranking