日本ダイヤバルブ 本社　業務・開発部 Official site

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.

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!)

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.)

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!)

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.)

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.)

Easy with 90-degree operation! Prevents over-tightening and damage! We solve concerns like "I'm worried if it's securely tightened..."

【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.)

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!)

We offer valve body specifications with stainless steel bodies and lined bodies!

【Stainless Steel Body - List of Manufactured Bodies (Excerpt)】 <Stainless Steel Cast Steel> ■Main Material: SCS16 ■Material Code Number: 13 ■Ferrule (Nominal Diameter [DN]): 8 to 50 *For more details, please refer to the catalog (P10-11) 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.)

We offer various handle specifications! We can accommodate your requests, including rapid open/close types, those with lock nuts, and those with opening degree indicators.

【Other Features】 ■BQL400N Type - Stable closing performance can be achieved with easy operation (maximum closing differential pressure 0.6MPa) - The opening and closing status of the valve can be reliably identified from a distance based on the handle position - Long lifespan is expected without imposing excessive load on the diaphragm *For more details, please refer to the catalog (P12) leaflet or feel free to contact us. (English and Chinese versions are available upon request!)

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!)