Basic knowledge and technical materials about valves are also included. In addition to Japanese, it has been published in the English version!

日本ダイヤバルブ本社　業務・開発部

In response to customers’ requests, in our catalogues, we provided from basic knowledge to technical data of our valves to facilitate valve selection. If you have any requests regarding our products and catalogs, please feel free to contact us. ■Main Contents - Standard specifications of products (structure and features, valve specifications, key dimensions, actuator selection table, etc.) - Introduction of related products - Important notes for handling *For more details, please download the catalog or contact us.

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Related product information

NDV "Sanitary Related Valves" Comprehensive Catalog
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!)
Diaphragm Valve Comprehensive Catalog *Includes Technical Data
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.)
NDV "Butterfly Valve" Comprehensive Catalog
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.)
NDV "Ball Valve" Comprehensive Catalog
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.)
NDV 2-stage open-close rotary air-operated drive unit 2-stage open-close ball valve
It is possible to flow a certain amount of fluid in a stepwise manner! There are many proven results in filling equipment and more!

【Intermediate Opening Degree Setting Operation】 ■ Two stages to fully open / Two stages to fully close ■ One stage to fully open / Two stages to fully close ■ Two stages to fully open / One stage to fully close *For more details, please refer to the PDF document or feel free to contact us. (The English version of the catalog can be downloaded from the catalog page of the special website below.)