日本ダイヤバルブ List of Products and Services

This product is a Y-shaped three-way ball valve with a wide angle of 135°, allowing the passage of pigs or spheres for pipe cleaning, compared to the standard 90° bend of regular three-way ball valves. There are two types of flanges: straight and 22.5° bend, and by combining these two types of flanges at any three locations, various patterns can be selected. Additionally, special reinforced PTFE bearings are installed on the upper and lower shaft parts of the ball, preventing seizing and withstanding high-frequency operations. 【Features】 ■ Wide-angle body shape ■ Freely selectable mounting positions ■ Ball ■ Primary side sealing mechanism ■ O-ring seal ■ Stable bearing function *For more details, please download the PDF or feel free to contact us.

• Parts and Materials

The "PFA Lining Butterfly Valve" is a highly reliable corrosion-resistant butterfly valve that is fully lined with PFA. All components that come into contact with the fluid are made of PFA, providing resistance to most chemicals. The gland mechanism, which has self-sealing properties and a wedging effect, offers high shaft sealing performance against thermal cycles and frequent opening and closing. Additionally, the inclusion of V-packing and coil springs enhances the reliability of the shaft sealing performance against external leakage. 【Features】 ■ Excellent corrosion and chemical resistance ■ High shaft sealing performance ■ Durable casing ■ Resistance to permeation and non-stick properties *For more details, please download the PDF or feel free to contact us.

• Fittings

■What is the NDV V-Port Valve? It is a ball valve that incorporates a V-cut ball. The opening side of the hemispherical ball is cut in a V shape, which effectively cuts through fibrous materials and solids. It can accommodate abrasive fluids and high-viscosity fluids. It also demonstrates excellent performance in heat resistance, wear resistance, and flow regulation. 【Do you have any of these issues?】 ☑ Malfunction due to clogging in the pocket area... ☑ Malfunction caused by solids mixed in the liquid... ☑ Severe wear on the seat due to slurry fluids... 【Features】 ● V-Cut Ball: The opening side of the ball is cut in a V shape, making it effective for cutting fibrous materials and solids! ● Pocketless Structure: The valve seat is only on the primary side, reducing troubles caused by clogging from solids in the fluid! ● Excellent Heat and Wear Resistance: Capable of sealing from vacuum to high pressure without being affected by temperature and pressure differences! ● Superior Flow Regulation Function: High rangeability and excellent flow regulation performance! 【Main Applications】 Fibrous fluids, slurries, powders, pellets, high-viscosity fluids, etc. *For more details, please refer to the catalog or feel free to contact us.

• Unit and other construction

■NDV Dead Space Countermeasure Products These are products designed with a compact structure that eliminates dead spaces (such as pockets and liquid traps) in the valve body. They can be used as "contamination countermeasures" in pharmaceuticals, food, and bioprocesses. 【Are you facing any of these issues?】 ☑ Fluid enters the gaps inside the valve during fluid passage or when closing the valve... ☑ Large dead legs in piping cause issues like liquid traps and ineffective steam sterilization... ☑ You want to review complex piping layouts to eliminate fluid contamination risks... 【Features】 ● Sampling Valve Type P: - Enables fluid sampling without dead space! ● Three-Way Valve Type K: - Allows switching and mixing of flow paths with one body, without dead space! ● Tank Bottom Valve Type T: - A valve specifically for tank bottoms that achieves high stirring efficiency and eliminates residual discharge! ● Self-Drain Type F: - A valve that further enhances the effect of preventing liquid traps! ■ This product will be exhibited at the "26th Interphex Japan." *For more details, please refer to the catalog or feel free to contact us.

• Unit and other construction

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】 ■ Achieves significant weight reduction and compactness ■ Substantial improvement in smooth operation and durability ■ Excellent external shape for cleanability ■ Uses environmentally friendly paint *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.)

• others

The 3-way ball valve with T/L port and four-sided seat can be used for switching, splitting, and mixing fluids by rotating a ball with a T or L-shaped flow path by 90 degrees. For example, by introducing this valve into a process that is currently using multiple 2-way ball valves for switching, you can rationalize piping in a cost-effective manner. Please make use of this for improving piping systems where fluid switching is necessary! <Features> - The T port allows for the selection of any combination from four switching positions by rotating 90 degrees. - L port can also be manufactured. - Robust structure with a four-sided seat. - Selection of the drive unit according to the application is possible. *For more details, please refer to the PDF document or feel free to contact us.

• Water and sewerage pipe fittings
• Piping and insulation

A fire-safe type refers to a ball valve that has a structure capable of preventing significant fluid leakage when sealing parts such as sheets or packing are burned away due to a fire. 【Main Features】 - When sealing parts are burned, fluid leakage is suppressed by a metal-to-metal seal. - Stem blowout prevention mechanism. - Anti-static mechanism. - Selection of the drive unit according to application is possible (manual operation, pneumatic operation, flow control, and electric operation are applicable). *For more details, please refer to the catalog or feel free to contact us.

• Automatic Control Equipment
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This document summarizes frequently asked questions about butterfly valves and provides answers in a Q&A format. If you have any questions or requests regarding our products other than butterfly valves, please feel free to contact us. 【Contents (Q&A)】 ■ What are the structure and features of butterfly valves? ■ What types of butterfly valves does NDV manufacture? ■ What are the features of stainless steel high-performance butterfly valves? *For more details, please refer to the PDF document or feel free to contact us.

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The "Sanitary Butterfly Valve for Powder and Granule Discharge" has a proven track record for discharging powders and granules in pharmaceutical and food plants. The main components are made of stainless steel, and the inner surface is finished with #400 buff polishing, which minimizes the adhesion of powders and offers excellent cleanability. 【Features】 ■ Minimal adhesion of powders and excellent cleanability ■ Easy installation and removal for containers and piping ■ Adopts a clamp method for quick assembly and disassembly, making cleaning easy *For more details, please refer to the catalog or feel free to contact us.

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The "KM200 type" is a high-performance stainless steel butterfly valve that accommodates a wide range of fluids thanks to its reinforced PTFE sheet. The drive shaft center of the disk is double-eccentric, and the disk and sheet remain in non-contact until just before fully closed, resulting in minimal wear on the sheet and a long lifespan. The structure allows the disk and sheet to adhere due to fluid pressure, regardless of the flow direction on either the primary or secondary side. 【Features】 ■ Long lifespan due to double-eccentric mechanism ■ Usable in reverse pressure load lines as there is no specific flow direction ■ Accommodates a wide range of fluids with reinforced PTFE sheet ■ Sheet replacement can be easily performed by removing the set ring ■ Synthetic rubber and metal sheets can also be selected according to usage conditions *For more details, please refer to the catalog (P5-P10) 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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The "C201R type" features a double eccentric (double off-center) design for the disk's drive axis, and since the disk and seat remain in non-contact until just before fully closed, it is a cast iron butterfly valve with minimal seat wear and a long lifespan. The seat is designed with a centering feature on the contact surface, creating a self-sealing mechanism that generates contact pressure on the disk's sealing surface due to fluid pressure, allowing for efficient sealing from vacuum to high pressure. Additionally, during maintenance, the seat can be easily replaced by simply removing the seat cover. 【Features】 ■ Long lifespan due to double off-center mechanism ■ High sealing performance with centering self-seal ■ Easy maintenance *For more details, please refer to the catalog (P11-P17) 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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This document summarizes frequently asked questions about ball valves and provides answers in a Q&A format. If you have any questions or requests regarding our products, including those other than ball valves, please feel free to contact us. 【Contents (Q&A)】 ■ Please tell me about the structure and features of ball valves. ■ Please tell me about the connection standards that can be manufactured for ball valves. ■ Please tell me about the structure and features of V-port valves. *For more details, please refer to the PDF document or feel free to contact us.

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We would like to introduce our diaphragm valve limit switch box, the 'MDNB Series', designed specifically for air-operated drive units. The indicator of the conventional model has been changed from a rubber cap to a bright red dedicated resin indicator, improving visibility. This is a compact product with a direct mount type that incorporates a micro switch. 【Features】 ■ Direct mount type with built-in micro switch ■ Changed the indicator from a rubber cap to a bright red dedicated resin indicator ■ Improved visibility due to changes in cap shape *For more details, please refer to the PDF document or feel free to contact us.

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At Nippon Diavalve, we handle "corrosion-resistant valves with clamp connections" made of a body lined with fluororesin (ETFE). These valves are suitable for addressing corrosive fluids in sanitary piping, preventing crevice corrosion caused by chloride ions, and mitigating the leaching of metal ions. With the diaphragm valve's characteristics of "air-tightness" and "corrosion resistance," they can completely shut off corrosive fluids. We have a wealth of experience in pharmaceutical and food plants, as well as in high-purity chemical lines. 【Features】 ■ Body Material: SUS316L ■ Lining Material: ETFE ■ Connection Method: Clamp Joint (ISO2852) ■ Applicable Nominal Diameter: 25A to 65A (1S to 2.5S) *For more details, please refer to the PDF materials or feel free to contact us. (Catalogs in English and Chinese can be downloaded from the catalog page of the special website below.)

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We are pleased to introduce a new product from Japan Diavalve. 【Features】 ■ 360-degree visible indicator Adopts a dome-shaped transparent cover for excellent visibility. You can check the valve's open and closed status from various angles. ■ Compact body with high torque A lightweight and compact drive unit made from aluminum alloy and engineering plastic. ■ Drip-proof performance (equivalent to IP65) With drip-proof performance that prevents rainwater intrusion and condensation, it is safe and secure for outdoor use. *For more details, please download the catalog or contact us. (We have English and Chinese versions of the catalog available upon request!)

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We would like to introduce a two-stage opening and closing ball valve equipped with a two-stage rotary air-operated drive unit handled by Nippon Diavalve Co., Ltd. By installing a sub-cylinder in our standard rotary air-operated drive unit (90-degree rotation, Scotch yoke type, W piston), the valve can mechanically perform a two-step operation during opening and closing. This allows for a controlled flow of a certain amount of fluid in a staged manner, and it has a proven track record for capacity control in quantitative shipping lines and water hammer prevention. 【Features】 ■ Installation of a sub-cylinder in our standard rotary air-operated drive unit ■ Mechanically capable of two-step operation during valve opening and closing ■ Allows for a controlled flow of a certain amount of fluid in a staged manner ■ Proven track record for capacity control in quantitative shipping lines and water hammer prevention *For more details, please refer to the catalog or feel free to contact us. (An English version is available upon request!)

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Nihon Daiyavalve Co., Ltd. aims to be a sustainable company that balances environmental activities with economic activities as global environmental issues become more serious. We recognize our commitment to environmental conservation as one of the important pillars of our business activities and strive to fulfill our social responsibilities. In 2008, we obtained ISO 14001 certification and are working together as a company on environmental activities. *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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The product consists of three units: the drive part, diaphragm, and main body. It controls the fluid by pressing the diaphragm against the sealing part of the inner surface of the main body and then releasing it. The wear-type "Model 400" maintains airtightness by ensuring that the diaphragm and the main body's dam are in close contact without gaps, demonstrating high valve seat sealing performance. The materials for the main body and diaphragm are diverse, allowing compatibility with a wide range of fluids. Additionally, the straight-type "Model 500" features a flow path that is nearly linear, resulting in a structure with minimal pressure loss and liquid pooling, making it suitable for fluids containing viscous fluids, fibrous fluids, slurries, sludge, and suspended solids. 【Features】 ■ No leakage to the outside and no contamination of the fluid from outside air ■ Zero valve seat leakage ■ Simple main body shape suitable for lining processing ■ Minimizes liquid pooling and possesses self-cleaning properties ■ Adopts a three-unit system, making disassembly and assembly easy *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 site below.)

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A diaphragm valve is a type of valve that has a structure for opening and closing the flow path using a flexible diaphragm (membrane) made of materials such as rubber. The "Straight Type Diaphragm Valve: 500 Series" has a flow path that is close to linear (straight), resulting in a structure with minimal pressure loss and liquid accumulation. It is suitable for fluids containing viscous fluids, fibrous fluids, slurries, sludge, and suspended solids. ▼ Application Fields: Water treatment plants, final treatment plants, etc. *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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A diaphragm valve is a type of valve that has a structure for opening and closing a flow path using a flexible diaphragm (membrane) made of materials such as rubber. The "Wear Type Diaphragm Valve: 400 Series" is the basic form of a diaphragm valve that has a weir in the flow path. The fluid passage section is streamlined and has no pocket areas, which minimizes liquid accumulation and provides self-cleaning properties. Due to the valve's structure, it exhibits high airtightness and seat sealing performance. There is a wide variety of materials available for the body and diaphragm, allowing compatibility with a broad range of fluids. ▼Applicable Fields: Chemicals, Environmental & Water Treatment, Steel, Shipbuilding, Pharmaceuticals, Food, Semiconductors, Power Generation, etc. *For more details, please refer to the catalog (P6-P14) 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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【Features】 ● The structure is directly welded to the bottom of the tank, providing excellent stirring efficiency. ● There are no contact parts such as gland packing, stem, seat, or gasket; the opening and closing are done solely by the diaphragm, allowing for smooth discharge of the tank contents with minimal residue. Contamination caused by valve components is extremely low, and cleaning and sterilization can be easily and reliably performed. ● The applicable nominal diameters range from DN15 to 100 (4S), making it suitable for use with small containers of about 10 liters to medium tanks of about 10,000 liters. 【Specifications (Excerpt)】 ● Main body material: SUS316L ● Applicable nominal diameter (DN): 15 to 100 ● Operation method: Manual operation and air-operated methods are both applicable. * 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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**Features** - It can be directly mounted inside the piping, is compact, and has a structure that prevents fluid residue inside the valve. - It can be widely used for applications such as branching, merging (mixing liquids), introducing and discharging cleaning water or sterilizing steam. **Specifications (Excerpt)** - Main body material: SUS316L - Applicable nominal diameter (DN): Standard combination of main pipe and valve: 15 to 50 (other ranges available as options) - Operation method: Manual operation and pneumatic operation methods are both applicable. *For more details, please refer to the catalog (P.20) or feel free to contact us. (An English version is available upon request!)*

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**Features** - Fluid sampling can be done without dead space (such as in pockets or liquid traps). - It can be directly installed in piping, is compact, and has a structure that prevents fluid residue in the valve. - In addition to sample collection, it can be widely used for branching, merging (mixing), introducing and discharging cleaning water or sterilizing steam. **Specifications (Excerpt)** - Main body material: SUS316L - Applicable nominal diameter (DN): Standard combination of main pipe and valve: 15 to 50 (other ranges available as options) - Operation method: Manual operation and pneumatic operation methods are both applicable. *For more details, please refer to the PDF document or feel free to contact us.*

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The self-draining type is a valve body that further enhances the liquid retention prevention effect of the Bio-Clean diaphragm valve series. When this valve is installed on horizontal piping, it is designed to eliminate liquid retention by positioning the valve shaft horizontally. 【Specifications (excerpt)】 ■ Stainless steel body (Applicable nominal diameter (DN): 8 to 100) ■ Lined body (Applicable nominal diameter (DN): 15 to 50) ■ The surface finish classification of the body and diaphragm specifications conform to standard specifications. ■ Various drive components for manual operation valves and air-operated ON-OFF valves can be used interchangeably. *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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Features 1) This product is designed with a compact structure for the valve body, eliminating dead spaces (such as pockets and liquid traps). 2) Notable examples include a self-draining type that enhances liquid trap prevention, a sampling valve for fluid sample collection, a three-way valve that allows fluid switching and mixing with a single body, and a tank bottom valve that achieves high stirring efficiency and complete discharge without residue. 【Lineup (Excerpt)】 ■ Self-draining type ■ Sampling valve: P type ■ Three-way valve: K type ■ Tank bottom valve: T type *For more details, please refer to catalog pages 17 to 21 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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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 generation of foreign substances due to the peeling of the coating, and a retaining ring method is used to secure the bonnet and cylinder. With minimal unevenness and compact buff polishing, it excels in cleanability. 【Features】 ■ Made of all stainless steel 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!)

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This product is an optimal valve for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. The handle specifications include the stainless steel handle type "B400N," the aluminum handle type "BC400 (B400NB)," and optionally, the quick-opening and closing handle type "BQL400NB (BQL400N)." Additionally, we can accommodate requests 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!)

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This product is an optimal 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 wetted side, with a cushion rubber specification of EPDM (or EPDM + a). 【List of stainless steel body manufacturing (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!)

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This catalog introduces bio-clean diaphragm valves suitable for manufacturing equipment in pharmaceuticals, bioprocesses, cosmetics, food, and semiconductors. It provides a wide range of information, including the features of bio-clean diaphragm valves, standard specifications, manual operation valve handle specifications, and air-operated ON-OFF valves. [Contents (excerpt)] ■ Features of bio-clean diaphragm valves ■ Standard specifications ■ Manual operation valves ■ Air-operated ON-OFF valves (standard type): BPO1400NB(N) model ■ Air-operated ON-OFF valves (stainless steel drive part): BPO1400NBN model *For more details, please refer to the catalog (P8–15) 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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Introducing the "Lined Diaphragm Valve" with excellent resistance to corrosion and chemicals. It is utilized in a wide range of fields including chemicals, environmental and water treatment, pharmaceuticals, and semiconductors. It can be applied to countermeasure against corrosive fluids, gap corrosion, and metal ion elution. 【Product Lineup (Examples)】 "Type 430 Body": Hard natural rubber lining on a base material of FC200 or FCD-S "Type 459 Body": PFA lining on a base material of FCD-S or SCS13 "Type 460 Body": ETFE lining on a base material of FCD-S "Type 450 Body": Polyethylene lining on a base material of FC200 "Type 480 Body": Porcelain lining on a base material of FCD-S *Sanitary specification diaphragm valves are also available. *For more details, please refer to the catalog or feel free to contact us.

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This document includes applications and examples of diaphragm valves. We have presented reference examples of valve specifications in an easy-to-understand table categorized by application and equipment! 【Listed Applications】 ■ Water treatment facilities ■ Chemicals ■ Pharmaceuticals ■ Food ■ Electrical materials & semiconductors ■ Iron & non-ferrous metals ■ Power generation *For more details, please refer to the PDF document or feel free to contact us.

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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? ■ Please 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 service life of the diaphragm? *For more details, please refer to the PDF document or feel free to contact us.

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This document summarizes frequently asked questions about NDV products in relation to 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.

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At Nippon Diavalve, 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. Please consult us for preventive maintenance and upkeep. We offer free materials featuring case studies available for download in PDF format. We encourage you to take a look. 【Features】 ■ Supporting the long-term maintenance and management of user facilities ■ Providing various maintenance-related services for our products based on years of accumulated unique know-how and reliable manufacturer quality ■ Accurately executing service tasks entrusted by users based on over half a century of rich experience and solid technical skills.

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Our company can 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.

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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 valve's open and closed status can be clearly seen from a distance based on the handle position. Additionally, it has achieved a lighter and more compact design compared to conventional products. Please try the easy operation and stable closing performance of the 90-degree rotating lever handle. 【We solve the following 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 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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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 acidic 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 acidic 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!)

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This is a stainless steel oval handle that is compact overall, allowing for installation and operation in narrow spaces. Compared to lever handles, it has a shorter length, which helps prevent accidental contact and misoperation. The handle material is stainless steel (SCS13A), which is rust-free and highly durable. 【Features】 ■ Oval shape ■ Compact overall design allows for installation and operation in narrow spaces ■ Shorter length compared to lever handles helps prevent accidental contact and misoperation ■ Like lever handles, the valve opening and closing state is clear based on the handle position ■ Made of stainless steel (SCS13A) *For more details, please refer to the PDF document or feel free to contact us.

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This is a drain discharge valve for sanitary piping with a simple design. It continuously discharges the drain by forming grooves in the valve seat area. Other than the grooves, the design follows the NDV standard specifications, allowing for the use of standard NDV parts, including consumables like diaphragms and actuators. Connection methods include clamp, welding, and various types of flanges. The flow path surface can be treated with electropolishing. 【Features】 ■ Utilizes a bio-clean diaphragm valve ■ Ideal for manufacturing equipment in pharmaceuticals, cosmetics, food, and semiconductors ■ Basic structure is a diaphragm valve ■ Even if foreign substances enter the valve seat area, it does not fail immediately and offers excellent maintenance ■ A simple design with a gap (groove) equivalent to φ2 or φ3 in the valve seat area for draining ■ Applicable nominal diameters: Customizable from 8A to 100A as needed *For more details, please refer to the PDF document or feel free to contact us.

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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, eliminating the gland packing area that is typically associated with a high risk of leakage in standard 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 according to application 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!)

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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 Documents *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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The "Bio-Clean Diaphragm Valve" is a dedicated valve for sample collection. Since it does not use a cheese fitting, there is no short pipe section, resulting in a smaller dead leg. Additionally, its compact design and lightweight construction reduce the load on the piping. It can be widely used for introducing and discharging branch flows, merging (mixing liquids), cleaning water, and sterilizing steam. 【Features】 ■ Does not use a cheese fitting ■ No short pipe section, resulting in a smaller dead leg ■ Compact installation due to the integrated structure of the main pipe and body ■ Mass reduced by an average of 23% compared to conventional products ■ Reduced load on piping due to lightweight design *For more details, please refer to the materials. Feel free to contact us with any inquiries.

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We handle "valves exclusively for the discharge of tablets and powder granules." With a shape and structure that minimizes tablet residue, we offer a "damper" for safe tablet discharge, and a "butterfly valve" designed for lightweight construction, making installation and removal easy. The main components are made of stainless steel and have a buff-polished finish, ensuring no adhesion of tablets or powder granules and excellent cleanability. 【Features】 <Damper> - Structure that does not crush tablets when opening the damper - Equipped with a stopper at the opening and closing position to reliably maintain the position <Butterfly Valve> - Lightweight design for easy installation and removal on containers and piping - Quick assembly and disassembly due to the clamp method, making cleaning easy *For more details, please refer to the PDF materials or feel free to contact us. (The English version of the catalog can be downloaded from the catalog page of the special website below.)

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This document is a product guide catalog for butterfly valves manufactured and sold by Japan Diaball Valve. It features the "Stainless Steel High-Performance Butterfly Valve," which can be used in applications with no flow direction and reverse pressure load lines, as well as the "Cast Iron Butterfly Valve" with high sealing performance and the "PFA Lined Butterfly Valve," which excels in corrosion and chemical resistance. You can choose according to your application. [Contents] ■ Stainless Steel High-Performance Butterfly Valve ■ Cast Iron Butterfly Valve ■ PFA Lined Butterfly Valve ■ Introduction of Related Products ■ Technical Data ■ Handling Precautions *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.)

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This document is a product catalog for ball valve products from Japan Diavalve, which manufactures and sells valves. It includes the "Fire Safe Type Ball Valve," which can suppress fluid leakage when sealing parts such as seats and packing are burned in fires, as well as the "High Pressure and Large Diameter Ball Valve," commonly used for general processes and high-pressure sludge, and the "Jacketed Ball Valve," which has a double structure with a jacket on the outside of the main body. You can choose from a rich lineup according to your application. [Contents] ■ 2-Way Ball Valve ■ 3-Way Ball Valve ■ V-Port Valve ■ Pneumatic Operated Valve ■ Electric Operated Valve ■ Special Purpose Ball Valves ■ Handling Precautions *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.)

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