Nippon Daiya Valve Co., Ltd. Official site

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.

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.

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.

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.)

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.)

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

【Specifications】 ■Model: 480(04) type ■Applicable nominal diameter: DN15 to 80 ■Body material: Base material FCD-S, lining porcelain ■Diaphragm material: NEW.PTFE/EPDM (liquid contact side/cushion rubber) *For more details, please refer to the PDF document or feel free to contact us. (We have catalogues available in English and Chinese for those who need them!)

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.)

【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.

The issues caused by "dead space" in the piping equipment that you had given up on can be resolved immediately!

【Specifications】 ＜Sampling Valve: Type P＞ □ Applicable Nominal Diameter (DN): Standard combination of main pipe and valve: 15–50 (other ranges available as options) □ Body Material: SUS316L ＜Three-Way Valve: Type K＞ □ Applicable Nominal Diameter (DN): Standard combination of main pipe and valve: 15–50 (other ranges available as options) □ Body Material: SUS316L ＜Tank Bottom Valve: Type T＞ □ Applicable Nominal Diameter (DN): 15–100 □ Body Material: SUS316L □ Options: Flange connection, branch pipe connection ＜Self-Drain Type: Type F＞ □ Stainless Steel Body: SUS316L, SCS13 □ Synthetic Resin Lining: PFA coating *For more details, please feel free to contact us.

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.