The Experience of Developing 25000 Coupling Types – CUPLA General Catalog
Quick and easy pipe connection and disconnection - Featuring a wide range of standard and made-to-order couplings
This catalog introduces Nitto Kohki's quick connect fluid coupling "CUPLA," which allows for the speedy connection and disconnection of various fluid lines such as air, water, oil, and gas. With extensive development experience of over 25,000 types, it is utilized in a wide range of fields, primarily in the industrial sector. The materials for the main body, including steel, brass, aluminum alloy, stainless steel, and resin, are selected considering fluid characteristics to meet various user needs. [Included Content (Excerpt)] ■ Features and applications of "CUPLA" ■ Introduction of new products / "HHV CUPLA" ■ Nitto Kohki's environmental activities ■ Standard "CUPLA" series ■ Semi-standard "CUPLA" series ■ Special order "CUPLA" series *For more details, please refer to the PDF document or feel free to contact us.
basic information
[Other Included Content (Excerpt)] - Guide for Selecting “NITTO KOHKI” Standard Glossary - Glossary - HI CUPLA Series Interchangeability - Seal Material Selection Table for Reference - Body Material Selection Table *For more details, please refer to the PDF document or feel free to contact us.
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Applications/Examples of results
[CUPLA Applications] - Replacement Use ・Attachments for pneumatic/hydraulic tools, cylinders, and mold-related equipment - Testing Use ・Vacuum, pressure resistance, leakage, and running tests - Filling Use ・Filling various industrial gases such as inert gas, nitrogen, LPG, carbon dioxide, oxygen, hydrogen, and fuel gases - Maintenance Use ・Cooling systems for computers, maintenance of hydraulic cylinders in die-casting machines - Transfer Use ・Transporting solid objects such as screws and nuts, or for conducting electricity - Connection Use ・Workpiece connection for fixing or moving jigs and metal fittings, including non-fluid transfer applications For more details, please refer to the PDF catalog or feel free to contact us.
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■Notice of the "2025 Attack Fair in Meiko"!■ 【July 23, 2025 (Wednesday) - July 24, 2025 (Thursday)】
Nitto Kohki will hold the "2025 Attack Fair in Meiko" for two days from July 23 (Wednesday) to July 24 (Thursday), 2025, at the "Kowa Seminar Plaza 2F Training Room NO.12 (inside Kowa Sports Land)." The Attack Fair is an exhibition where you can actually "see, touch, and operate" Nitto Kohki's products. Additionally, there will be wonderful souvenirs for attendees and many fun activities planned. We look forward to welcoming everyone!
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■Notice of the "2024 Attack Fair in Konan"!■ 【October 9, 2024 (Wednesday) to October 10, 2024 (Thursday)】
Nitto Kohki will hold the "2024 Attack Fair in Konan" at the Aoisui Hall for two days from October 9 (Wednesday) to October 10 (Thursday), 2024. The Attack Fair is an exhibition where you can actually "see, touch, and operate" Nitto Kohki's products. Additionally, there will be wonderful souvenirs for attendees and many fun activities prepared. We look forward to welcoming everyone!
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The NITTO KOHKI Group supports comfortable living and a prosperous future across a wide range of fields—from construction sites to the aerospace industry and global environmental maintenance projects. We respond to increasingly diverse needs with outstanding engineering that promotes efficiency and labor-saving. Our unique technologies are developed from the user’s perspective, creating convenient and innovative tools that serve as bridges to the next generation.