Free invitation with pre-registration! Announcement of participation in the 28th Interphex Japan Exhibition.

Nippon Daiya Valve Co., Ltd.

Our company will be exhibiting at the 28th Interphex Japan, which will be held at Makuhari Messe from May 20 (Wednesday) to May 22 (Friday). This exhibition is one of the world's leading events where specialized technologies from the pharmaceutical and cosmetics industries are showcased. We will be presenting a variety of valve products that are optimal for manufacturing processes in pharmaceuticals and biotechnology, including our "Bio-Clean Diaphragm Valve" series. [Highlights of Our Exhibit] ◆ New Product: "EX-Bio Clean Diaphragm Valve" A next-generation diaphragm valve utilizing a new sealing structure! Officially launching this summer! ◆ First-ever Mini Session at this Exhibition! We will hold a mini session on the "EX-Bio Valve" that can only be heard at this exhibition. ◆ Renewed Products in Response to Many Requests! The "Glass-Lined Diaphragm Valve" has been renewed! ◆ Additionally, we will showcase various sanitary valve products that are ideal for manufacturing equipment in pharmaceuticals, cosmetics, food, and semiconductors! We sincerely look forward to your visit! For more details, please refer to the related document "Invitation to the 28th Interphex Japan (General Invitation)" below or feel free to contact us.

New Product: EX Bio-Clean Diaphragm Valve / Product Renewal: Glass Lined Diaphragm Valve

Image QR code for visitor pre-registration

Date and time Wednesday, May 20, 2026 ～ Friday, May 22, 2026
10:00 AM ～ 05:00 PM
*Due to the pre-registration system for the exhibition, please register your visit using the "Image QR Code" or the "Details/Application" below before coming.
Capital ▶Overview of the 2nd Interphex Japan Exhibition Dates: May 20 (Wed) - May 22 (Fri), 2026, 10:00 AM - 5:00 PM Venue: Makuhari Messe, Hall 5 Booth Number: Raw Material Processing Zone, Booth No. 27-16 *For details on the exhibition content, please visit our company website's "Exhibition Information" or access the official exhibition website.
Entry fee Free Free invitation with pre-registration for WEB attendance.

Related product information

[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!

【Specifications】 ■Model: EXBC400 type / EXB400N type / EXBPO1400NB type / EXBPO1400N type ■Applicable Nominal Diameter: DN15 to 100 (4.0S) ■Body Material: SUS316L, SCS16, CF3M, SCS13 + PFA coating, etc. ■Diaphragm Material: Main materials (contact part/non-contact part): NEW PTFE/EPDM + α, Code: TX/LCX ■Connection Standards: Ferrule, welded joints, flange *For more details, please feel free to contact us.
Glass-lined diaphragm valve "440 (25/05) type"
Excellent corrosion and chemical resistance! In response to many requests, we have renewed our product!

【Specifications】 ■Model: 440(25) type / 440(05) type ■Applicable Nominal Diameter: DN20–50 / DN65–200 ■Body Material: Carbon Steel + Glass / Cast Steel + Glass ■Diaphragm Material: NEW.PTFE (PTFE) / EPDM (liquid contact side / cushion rubber) ■Connection Standard: JIS 10KRF (JIS 10KFF) *Partly based on our own standards *For more details, please feel free to contact us.
Exhibiting at the Interphex Trade Show: Dead Space Countermeasure Products
The issues caused by "dead space" in the plumbing equipment that you had given up on can be resolved immediately!

<Overview of the 27th Interphex Japan> Date: July 9 (Wed) - 11 (Fri), 2025, 10:00 - 17:00 Location: Tokyo Big Sight (South Hall, 4th Floor) Booth Number: Sterilization and Clean Zone S8-30 *For more details, please refer to the 'Invitation to the 27th Interphex Japan (General Invitation)' in the related catalog below.
Valve for sample collection! Dead space countermeasure Sampling valve type P
No dead space (in pockets or liquid traps), fluid sampling is OK. Can be used widely!!

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

【Specifications】 ■Main body material: SUS316L and others ■Diaphragm: NEW PTFE/EPDM, NEW PTFE/EPDM + @ ■Connection standards: Ferrule and others *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.)
Bio-clean diaphragm valve with clamp connection, corrosion-resistant valve.
Many delivery achievements for pharmaceutical and food plants, as well as high-purity chemical solutions! It can completely block corrosive fluids.

【Valve Body Features】 ■ The fluororesin (ETFE) lining is resistant to strong acids, inorganic alkalis, halogens, and metal salt solutions. ■ Generally offers superior cost performance compared to expensive special alloy materials such as duplex alloys. ■ The lining is firmly bonded to the metal substrate using a rotational molding method, ensuring no lifting or blistering of the lining under high-temperature vacuum conditions. ■ Compatible with commercially available fittings and gaskets. ■ Maximum operating temperature: 120°C. *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.)
Valve with enhanced liquid pooling prevention effect - Self-draining type F.
An evolved version of the bio-clean diaphragm valve. The structure eliminates liquid pooling by positioning the valve shaft horizontally. A solution for dead space!

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.)
New sampling type "Bio-clean diaphragm valve"
No short pipe section and minimal dead leg! A compact design sample collection valve.

【Specifications】 ◎ Valve nominal diameter (A): 25–50 (1S–2S) ◎ Main pipe nominal diameter (A): 25–100 (1S–4S) ◎ Connection method 　Standard: Clamp joint (ferrule), welded joint (Astro [TIG] welding) 　Others: Please consult us for JIS 10K flanges, etc. ◎ Maximum operating pressure: 1.0 MPa ◎ Temperature range: -20℃ to 151℃ ◎ Main material 　Body: SUS316L 　Diaphragm: NEW PTFE/EPDM (code: TX/CE), NEW PTFE/EPDM+α (code: TX/CX) ◎ Operation method 　Manual operation: Handwheel type (aluminum, stainless steel) 　Automatic operation: Pneumatic operation reverse action type (PO), forward action type (PC), double action type (PN) 　　　　　　Options: Opening limit, dedicated limit switch box ◎ Body surface finish 　Internal and external #400 buff polishing (code: B1) 　Internal and external #400 buff polishing followed by internal electropolishing (code: E1) *For more details, please refer to the documentation. Feel free to contact us with any inquiries.
Sanitary Butterfly Valve for Powder Discharge (Also Introducing FAQ Collection!)
【For pharmaceutical and food plants!】A butterfly valve with minimal powder and particle adhesion and excellent cleanability.

【Specifications (Standard Product)】 ■Model: DC507C-SI ■Nominal Diameter (DN): 100 to 300 ■Seat Leakage: 3kPa ■Body Pressure Resistance: 0.05MPa ■Operating Temperature: Room Temperature (Hot water cleaning up to 80℃ is acceptable) ■Connection Standard: Ferrule Joint 【Main Component Materials】 ■Body: SCS13A ■Disc: SUS304 ■Liner: SI *For more details, please refer to the catalog or feel free to contact us.
Directly mountable inside pipes & compact! Dead space solution - Three-way valve type K.
Diverting, merging, and the introduction and discharge of cleaning water and sterilizing steam are "applicable." The internal structure of the valve has no dead space, making it ideal for preventing liquid accumulation.

For more details, please refer to the catalog (P.20) or feel free to contact us. (We have an English version available if needed!)
Easy and reliable cleaning and sterilization! Dead space countermeasure - Tank bottom valve T-shape.
Tanks from approximately 10L to 10,000L are acceptable! The opening and closing are done solely by the diaphragm, allowing for smooth discharge of the tank contents with almost no residue left.

*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.)
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."

【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-related valve catalog (pages 8 to 16) or feel free to contact us. (English and Chinese versions are available upon request!)
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.

【Specifications (Excerpt)】 ■Model: BPO (BPC, BPN) 1400N Type ■Drive Unit Model: 05S/07S/09S/12S/16S ■Operation Method ・Single Acting: Reverse Acting BPO (Spring Closed/Pressure Open), Direct Acting BPC (Spring Open/Pressure Closed) ・Double Acting: BPN (No Spring, Pressure Open/Pressure Closed) ■Applicable Nominal Diameter (DN): 8 to 50 ■Drive Unit Material ・Cylinder: SCS13 #300 Buff Polished ・Bonnet: SCS13 #200 Buff Polished or Precision Cast Surface *For more details, please refer to the catalog (P15-16) or feel free to contact us. (English version, Chinese version available upon request!)
Diaphragm valve air-operated drive unit dedicated limit switch box
Rainproof equivalent to IP67! It has been reborn with an indicator that excels in visibility!

【Specifications】 ■Protection level: Rainproof (equivalent to IP67) ■Rated voltage: AC 5A-125V, 3A-250V ■Main material: ADC12 (switch case, switch case cover) ■Surface coating: Environmentally friendly white baked coating *For more details, please refer to the PDF document or feel free to contact us.
NDV "Lining Diaphragm Valve" *Free examples of applications and achievements available!
Introduction of lining products that prevent deterioration from corrosion and chemicals!

For more details, please refer to the catalog 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.)
PFA lining butterfly valve
Exhibits outstanding performance for food resistance and chemical resistance applications! Achieves stable sealing through a uniquely developed shaft sealing mechanism!

【Valve Specifications (Partial)】 ■ Main Material - Body: SCS13A - Disk: SCS13A (PFA Lining) - Liner: PFA - Stem: SCS13A ■ Disk Rotation Method: Center Disk Type ■ Applicable Flange Standards: JIS10K, CL150 *For more details, please download the PDF or feel free to contact us.