Nippon Daiya Valve Co., Ltd. Official site

Introducing high-quality diaphragm valves, ball valves, and butterfly valves!

【Featured Products】 ■ Wear Type Diaphragm Valves ・ PO1400 Series ・ HO1400 Series, etc. ■ Bio-Clean Valves ・ BPO1400 Series ・ BQL400 Series ■ Straight Type Diaphragm Valves ・ PN1500 Series ・ HN1500 Series, etc. ■ Valves for Nuclear Power Plants ・ A400 Series ・ ABO1400 Series ■ Rubber-Lined Check Valves ・ B900 Series, etc. *For more details, please refer to the catalog or feel free to contact us. (We have a Chinese version available for those who need it!)

Aiming to create environmentally friendly valves... "The entire company is united in promoting the continuous reduction of environmental impact!" "ISO 14001 certification obtained!"

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.)

Achieving high maintenance efficiency with a unit-based design! A diaphragm valve with high airtightness, zero seat leakage, and excellent corrosion and chemical resistance.

【Featured Products】 ■ Manual Operation Valves ・Wear Type Diaphragm Valve: 400 Series ・Straight Type Diaphragm Valve: 500 Series ■ Pneumatic ON-OFF Valves ・Wear Type Diaphragm Valve: PO(PC,PN)/HO(HC,HN)1400N Series ・Straight Type Diaphragm Valve: PO(PN)/HO(HN)1500N Series ■ Pneumatic Flow Control Valves ・Rolling Diaphragm Type: BO(BC)3400 Series ・Piston Type: HN3400N Series ■ Electric Operation Valves ・Wear Type Diaphragm Valve: MS(NR)4400 Series ・Straight Type Diaphragm Valve: MS(NR)4500 Series *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.)

A large number of ball valves, including fire-safe types and V-port valves, are featured!!

【Product Lineup (Excerpt)】 ■ Two-Way Ball Valves - Fire-Safe Type Ball Valve: F100NB Model - Jacketed Ball Valve: E100JNC Model - Extended Ground Type Ball Valve: FEX100NB Model ■ Three-Way Ball Valves - Two-Surface Seat Type Three-Way Ball Valve: E300NB-L2 Model - Four-Surface Seat Type Three-Way Ball Valve: E300NB-T4/L4 Model - Three-Surface Seat Type Three-Way Ball Valve: E300N-T3/L3 Model ■ V-Port Valves - V100ND(NC) Model ■ Pneumatic Operated Valves - Pneumatic Operated Two-Way Ball Valve - Pneumatic Operated Three-Way Ball Valve - Pneumatic Operated V-Port Valve ■ Electric Operated Valves - Electric Operated Two-Way Ball Valve - Electric Operated Three-Way Ball Valve - Electric Operated V-Port Valve ■ Special Purpose Ball Valves - High-Temperature Compatible Ball Valve - Y-Type Three-Way Ball Valve - Shield Method Ball Valve - Top Entry Ball Valve *For more details, please refer to the PDF materials or feel free to contact us. (The catalog in English and Chinese can be downloaded from the catalog page of the special site below.)

Featuring butterfly valves that can be selected according to applications, such as double eccentric types and PFA lining.

【Lineup】 ■ Stainless Steel High-Performance Butterfly Valve: KM200 Type ■ Cast Iron Butterfly Valve: C201R Type ■ PFA Lined Butterfly Valve: C559 Type ■ Sanitary Butterfly Valve for Powder and Granule Discharge ■ Sanitary Damper for Tablet Discharge ■ Electric Operated Valve, 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.)

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

【Featured Products】 < Bio-Clean Diaphragm Valve > ◎ Manual Operated Valve - Stainless Steel Handle Type B400N, Nominal Diameter: DN8 to 100 - Aluminum Handle Type BC400, Nominal Diameter: DN15 to 50 ◎ Pneumatic Operated ON-OFF Valve - BPO (PC, PN) 1400NB, Nominal Diameter: DN15 to 50 - With Opening Degree Limiting Mechanism ◎ Pneumatic Operated ON-OFF Valve (Stainless Steel Drive Part) - BPO (PC, PN) 1400N, Nominal Diameter: DN8 to 10 < Dead Space Countermeasure Products > ◎ Self-Drain Type F ◎ Sampling Valve P ◎ Three-Way Valve K ◎ Tank Bottom Valve T < Special Valves and Related Products > ◎ Valve with Branch Valve B400 (A to L) ◎ Composite Valve, Multi-Directional Type ◎ Corrosion-Resistant Valve with Clamp Connection ◎ Self-Drain Drop Type ◎ Two-Stage Opening and Closing Drive Part ◎ Valve for Replacing Steam Trap < Sanitary Valves and Clean Room Related Products > ◎ Sanitary Valve ◎ Valve for Discharging Powder and Granules ◎ Ultra High Sealing Damper < Technical Information > * For more details, please refer to the documentation. Feel free to contact us as well. (English version, Chinese version, available upon request!)