The culmination of 25,000 types of rich joint development experience! Comprehensive Coupler Catalog
Quickly and easily connect and disconnect piping! A wide range of standard and custom-made products available.
This catalog introduces Nitto Kohki's rapid fluid couplings, "Couplers," which allow for quick connection and disconnection of various fluid piping, including air, water, oil, and gas. With over 25,000 types of extensive development experience, they are utilized in a wide range of fields, primarily in the industrial sector. We offer a variety of body materials, including steel, brass, aluminum alloy, stainless steel, and resin, taking fluid characteristics into consideration to meet diverse user needs. [Contents (excerpt)] ■ Features and applications of "Couplers" ■ Introduction of new products / "HHV Coupler" ■ Nitto Kohki's environmental activities ■ Standard "Coupler" series ■ Semi-standard "Coupler" series ■ Special order "Coupler" series *For more details, please refer to the PDF document or feel free to contact us.
basic information
【Other Published Content (Excerpt)】 ■ Choosing the Necessary "Coupler" ■ Terminology Explanation ■ Introduction to "Airliner" ■ Compatibility of the "High Coupler" Series ■ Seal Material Selection Table ■ Main Body Material Selection Table *For more details, please refer to the PDF document or feel free to contact us.
Price range
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Applications/Examples of results
【Coupler Applications】 ■Replacement Applications - Attachments for pneumatic and hydraulic tools, pneumatic and hydraulic cylinders, and mold-related equipment. ■Testing Applications - Tests for vacuum, pressure resistance, leakage, running, etc. ■Filling Applications - Filling various industrial gases such as inert gases, nitrogen, LPG, carbon dioxide, oxygen, hydrogen, and fuel gases. ■Maintenance Applications - Maintenance of computer cooling systems and hydraulic cylinders in die-casting machines. ■Transport Applications - Transport and conveyance of solid objects such as screws and nuts, as well as applications for conducting electricity. ■Connection Applications - Work connections aimed at fixing and moving jigs and fittings, among other non-fluid transport applications. *For more details, please refer to the PDF document or feel free to contact us.
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News about this product（2）
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■ Announcement of "2025 Attack Fair in Meiko"! ■ 【July 23, 2025 (Wednesday) to 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 prepared. We look forward to welcoming everyone!
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■ "Notice of Participation in the 30th Mechanical Elements Technology Exhibition [Tokyo] ■ [July 9, 2025 (Wednesday) - July 11, 2025 (Friday)]
Nitto Kohki will exhibit at the "30th Mechanical Components Technology Exhibition [Tokyo]" held at Makuhari Messe Hall 5 from July 9 (Wednesday) to July 11 (Friday). [Booth Number: Hall 5 31-32] At this exhibition, we will showcase a variety of products, including the electric suction hand "e-VEE" with a built-in pump that requires no compressed air, a cordless belt sander, the electric driver "Delvo" that can be mounted on robots, and the "Flow Monitor" that allows for easy visualization of coolant flow in molds and other applications.
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The Nitto Kohki Group supports comfortable living and a prosperous tomorrow across a wide range of fields, from construction sites to the aerospace industry and environmental maintenance projects. In response to increasingly diverse needs, we address them with exceptional engineering that promotes rationalization and labor-saving. We develop unique and user-friendly new technologies as tools to connect to the next generation.
