Notice of catalog revision for "Ball Valves," "Butterfly Valves," and "Sanitary-related Valves" (FAQ collection also introduced!!)

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

This document is a product catalog for ball valve products from Nihon Diaball Valve, a company engaged in the manufacturing and sales of valves. It includes the "Fire Safe Type Ball Valve," which can suppress fluid leakage when sealing parts such as seats and packing are burned in a fire, as well as the "High Pressure and Large Diameter Ball Valve," commonly used for general processes and high-pressure sludge, and the "Jacketed Ball Valve," which has a double structure with a jacket on the outside of the main body. You can choose from a wide range of options tailored to your application. [Contents] ■ Two-Way Ball Valve ■ Three-Way Ball Valve ■ V-Port Valve ■ Pneumatic Operated Valve ■ Electric Operated Valve ■ Special Purpose Ball Valves ■ Handling Precautions *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.)

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Ball Valve Edition! We will answer frequently asked questions about valves!

This document summarizes frequently asked questions about ball valves and provides answers in a Q&A format. If you have any questions or requests regarding our products other than ball valves, please feel free to contact us. 【Contents (Q&A)】 ■ Please tell us about the structure and features of ball valves. ■ Please tell us about the connection standards that can be manufactured for ball valves. ■ Please tell us about the structure and features of V-port valves. *For more details, please refer to the PDF document or feel free to contact us.

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

This document is a product catalog for butterfly valves manufactured and sold by Japan Diaball Valve. It features the "Stainless Steel High-Performance Butterfly Valve," which can be used in applications with no flow direction and reverse pressure load lines, as well as the "Cast Iron Butterfly Valve" with high sealing performance and the "PFA Lined Butterfly Valve," which excels in corrosion and chemical resistance. You can choose according to your application. [Contents] ■ Stainless Steel High-Performance Butterfly Valve ■ Cast Iron Butterfly Valve ■ PFA Lined Butterfly Valve ■ Introduction of Related Products ■ Technical Information ■ Handling Precautions *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.)

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Butterfly Valve Edition! We will answer frequently asked questions about valves!

This document summarizes frequently asked questions about butterfly valves and provides answers in a Q&A format. If you have any questions or requests regarding our products other than butterfly valves, please feel free to contact us. 【Contents (Q&A)】 ■ What are the structure and features of butterfly valves? ■ What types of butterfly valves does NDV manufacture? ■ What are the features of stainless steel high-performance butterfly valves? *For more details, please refer to the PDF document or feel free to contact us.

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

This document is a "comprehensive catalog" featuring sanitary specification valves suitable for manufacturing equipment in pharmaceuticals, food, semiconductors, and more. It includes the "Bio-Clean Diaphragm Valve Series," which maximizes the features of diaphragm valves, as well as sanitary butterfly valves for pharmaceutical containers. Customers can select valves tailored to their applications and the fluids they use. [Contents] ■ Bio-Clean Diaphragm Valves ■ Dead Space Countermeasure Products ■ Special Valves and Related Products ■ Sanitary Valves and Cleanroom Related Products ■ Technical Documentation *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.)

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This is a flat-type 5-port industrial switching hub. It can be used in locations where quiet operation is required due to its fanless design. It achieves an operating temperature range of -40 to +70°C and is equipped with features such as dual power supply and reverse polarity protection. ● Compact, flat-type design Its compact shape (50(W)x110(D)x24.5(H)mm) allows for easy wiring even in space-constrained panel installations. ● Equipped with 5 ports supporting 1000BASE-T It includes 5 ports compliant with the maximum IEEE 802.3ab (1000BASE-T) standard. ● Wide-range power input and dual power supply support It supports power supply from a DC source of 8 to 54VDC. It features dual power supply support with two power lines, ensuring continued operation even if one power source encounters a problem. It is designed for safety, allowing normal operation even if the power is wired in reverse, and is equipped with an FG terminal on the power connector. ● Wide temperature range (-40 to 70°C) It excels in environmental resistance and durability, making it safe for use in harsh industrial environments. ● Can be installed on DIN rails or walls.

This is a flat-type 8-port industrial switching hub. It can be used in locations where quiet operation is required due to its fanless design. It achieves an operating temperature range of -40 to +70°C and is equipped with features such as dual power supply and reverse polarity protection. ● Compact, flat-type design With a compact shape (68(W)x110(D)x24.5(H)mm), it allows for easy wiring even in space-constrained panel installations. ● Equipped with 8 ports supporting 1000BASE-T It features 8 ports compliant with the maximum IEEE 802.3ab (1000BASE-T) standard. ● Wide range power input and dual power supply support It supports power supply from 8 to 54VDC. It is designed for dual power supply from two sources, ensuring continued operation even if one power source encounters a problem. It has a safety design that allows normal operation even if the power is wired in reverse, and it is equipped with an FG terminal on the power connector. ● Wide temperature range (-40 to 70°C) support It excels in environmental resistance and durability, making it safe to use even in harsh industrial environments. ● Can be mounted on DIN rails or walls.

Riyadh, December 28, 2025 - (JCN Newswire) - One of the main events of Riyadh Season 2025, "The Ring V: Night of the Samurai," was held on the 27th at the Mohammed Abdu Arena in Boulevard City. In the main event of the tournament, Japan's champion Naoya Inoue defended his super bantamweight world title against Mexican challenger Alan Picasso, winning by a unanimous decision of 3-0 and securing victory in a world-class match. The event opened with the performance of the Saudi Arabian national anthem, signaling the start of a night filled with high-level competition. The main event began cautiously, with both fighters gauging distance and timing in the first round. In the second round, Inoue took control with a series of powerful punches, and in the third round, he continued to gain an advantage with clean left hits. The fourth round saw both fighters heightening their caution, leading to a closely contested exchange of attacks. For the full text, please refer to the following link: https://acnnewswire.com/press-release/japanese/104385/

As the new year begins, I would like to extend my heartfelt congratulations on your continued prosperity. I sincerely appreciate your exceptional support throughout the year. This is the STJ Group (Santelecom Japan, STJ Rentec). Now, I am pleased to announce that we will be opening our "Transceiver & Smartphone Rental Shop" simultaneously at three locations nationwide on January 26 (Monday)! ■ List of Services to be Offered - Same-day pickup/return of rental equipment - Usage explanations and demonstrations of rental equipment - Wireless solutions consultation desk - Mobile BPO service counter As a special promotion to celebrate the opening of the rental shop, we are currently running a special price campaign for picking up rental equipment at the shop! For more details, please contact us!

【Notice of Year-End and New Year Holidays】 Thank you very much for your continued support. Our company will be closed for the year-end and New Year holidays as follows: Holiday Period: Saturday, December 27, 2025 – Sunday, January 4, 2026 Please note that inquiries and orders received during the holiday period will be addressed sequentially starting from Monday, January 5, 2026. We apologize for any inconvenience this may cause and appreciate your understanding.