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  6. Prevent accidents caused by high-temperature and high-pressure fluids! A ball valve that prevents incorrect opening and closing.

Prevent accidents caused by high-temperature and high-pressure fluids! A ball valve that prevents incorrect opening and closing.

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TSS-140

last updated:Oct 24, 2025

ハマイ 営業本部
ハマイ 営業本部
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Contributing to the improvement of on-site safety! With a spring-type locking mechanism, it securely locks out semiconductor manufacturing equipment and facility piping. Prevents accidental opening and closing due to contact or vibration.

A full-bore equivalent ball valve with a key lock function added via a sleeve, based on the TSS-01 model. It is oil-free and compliant with the RoHS directive (10 substances). It ensures reliable locking in fully open and fully closed states, making it effective for safety measures in semiconductor manufacturing equipment and similar applications. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Ideal for lockout of semiconductor manufacturing equipment and facility piping - Reliable locking in fully open and fully closed positions due to the spring-type locking mechanism - Capable of locking in various installation locations, including vertical and reverse piping - Full-bore equivalent specifications that can handle large flow rates ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact our [Tokyo Headquarters] at TEL 03-3492-6655 (Reception: Ogawa, Tsuzuki, Sanada, Ohsawa).

    valve
★TSS-140_メインのみ_横山修正.jpg

Prevent accidents caused by high-temperature and high-pressure fluids! A ball valve that prevents incorrect opening and closing.

★TSS-140_メインのみ_横山修正.jpg
★TSS-140_メインのみ_横山修正.jpg TSS-140_全済_横山修正3.jpg TSS-140_全済_横山修正1.jpg TSS-140_全済_横山修正4.jpg TSS-140_全済_横山修正5.jpg TSS-140_全済_横山修正6.jpg TSS-140_全済_横山修正2.jpg
  • Related Link - https://www.hamai-net.com/products_cms/ball_valve/…
  • Special site - Product/service details - https://pr.mono.ipros.com/hamai-net/product/

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basic information

■【Model Number】 TSS-140 Model ■【Product Specifications】 Nominal Diameter: 08A to 50A Maximum Operating Pressure: 3.92MPa Operating Temperature Range: -20℃ to +160℃ (non-freezing) Fluid: Water, Oil, Gas, etc. ----------------------------------- ■【Related Information URL Address】 *Please copy and paste the following URL directly into your browser to view. ●<Custom Manufacturing WEB Page> Click here → https://www.hamai-net.com/order/ ●<Ball Valve Product Information WEB Page> Click here → https://www.hamai-net.com/products_cms/ball_valve-index.html -----------------------------------

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Applications/Examples of results

Semiconductor manufacturing equipment Pure water manufacturing equipment Factory equipment <We have many achievements in other industries as well> ---------------------------- ★【We accept custom-made manufacturing orders】 Hamai has cutting-edge development technology recognized by the world. ---------------------------- <Examples of achievements> ● Successful development of hydrogen fuel cell vehicles through joint development with major domestic automobile manufacturers (First practical application / 2001) ● Obtained the world's first global standard "UN-R134" (PRD / safety valve) ---------------------------- Based on these top-level development technologies, we manufacture high-performance custom-designed ball valves necessary for the development of new products and research and development required by your company. Please feel free to consult with us. → <For inquiries regarding custom-made ball valves, please contact us here> [Tokyo Headquarters] TEL(03)-3492-6655 <Receptionist / Second Sales>

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News about this product(2)

We will be exhibiting at the 3rd [Kyushu] Semiconductor Industry Exhibition!

  • Seminar・Event

Hamai Corporation will be exhibiting at the 3rd [Kyushu] Semiconductor Industry Exhibition. We will showcase a wide range of products related to the semiconductor industry, including our ball valves, high-pressure gas valves, and hydrogen valves. We invite you to visit our booth. For more details about the exhibition booth and other information, please check the related links below.

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We will be exhibiting at the 2nd [Kyushu] Semiconductor Industry Exhibition!

  • Seminar・Event

Hamai Corporation will be exhibiting at the 2nd [Kyushu] Semiconductor Industry Exhibition. We will showcase a wide range of products related to the semiconductor industry, including our ball valves, high-pressure gas valves, and hydrogen valves. We invite you to visit our booth. For details about the exhibition booth and more, please check the related links below.

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Companynews list (2)

Company information

ハマイ

ハマイ 営業本部

Industrial Machinery

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Since its establishment in 1927, Hamai has been a comprehensive valve manufacturer, offering a lineup of ball valves with excellent functionality that accommodates a wide range of fluids, pressures, and temperatures. With advanced design capabilities and outstanding manufacturing technology, we provide custom-designed high-performance valves. Additionally, we have been manufacturing genuine parts and supplying OEM products to major manufacturers for many years. Hamai's valves are produced in domestic factories, ensuring quality unique to "Made in Japan" and attentive service.

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