Nippon Daiya Valve Co., Ltd. Official site

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.)

The flow path is close to straight, with a structure that has low pressure loss and minimal liquid accumulation! It is suitable for fluids containing sludge, suspended solids, and more!

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.)

Exhibits high airtightness and valve seat sealing performance! Excellent in corrosion resistance, chemical resistance, and cleanability.

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.)

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.)

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

【Products (Partial)】 ■ Diaphragm Valves - Wear Type Diaphragm Valve: 400 Series - Straight Type Diaphragm Valve: 500 Series ■ Ball Valves - Two-Way Ball Valve: Fire Safe Type: F100 Series - Two-Way Ball Valve: Derivative Models ■ Sanitary Related Valves - Bio-Clean Diaphragm Valve: B400 Series - Self-Drain Type B400F Series, etc. *For more details, please refer to the PDF materials or feel free to contact us.

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.)

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!)