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
Delivery Time
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.
Related Videos
catalog(10)
Download All Catalogs
News about this product(4)
-

■ 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!
-

■Notice of the "2024 Attack Fair in Toyama"!■ 【November 20, 2024 (Wednesday) to November 21, 2024 (Thursday)】
Nitto Kohki will hold the "2024 Attack Fair in Toyama" for two days from November 20 (Wednesday) to November 21 (Thursday) at the Toyama Wholesale Center (Toyama Distribution Hall, Main Hall). 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 visitors and many fun activities prepared. We look forward to welcoming everyone!
-

■ Announcement of the "2024 Attack Fair in Ichihara"! ■ [December 11, 2024 (Wednesday) - December 12, 2024 (Thursday)]
Nitto Kohki will hold the "2024 Attack Fair in Ichihara" at the "Yume Hall" for two days from December 11 (Wednesday) to December 12 (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 visitors and many fun activities prepared. We look forward to welcoming everyone!
-

■Notice of the "2025 Attack Fair in Sagamihara"■【April 16, 2025 (Wednesday) to April 17, 2025 (Thursday)】
Nitto Kohki will hold the "2025 Attack Fair in Sagamihara" at the Sagamihara City Industrial Hall Multi-Purpose Hall for two days from April 16 (Wednesday) to April 17 (Thursday), 2025. 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 visitors and many fun activities prepared. We look forward to welcoming everyone!
Distributors
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.














































