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This section provides an overview for one-touch couplers as well as their applications and principles. Also, please take a look at the list of 24 one-touch coupler manufacturers and their company rankings. Here are the top-ranked one-touch coupler companies as of August, 2026: 1.SEG Electronics GmbH, 2.ONE TOUCH COUPLER, 3.AKERLY & CHILDS, INC..
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Categories Related to One-Touch Couplers
A one-touch coupler is a quick-connect fluid coupler that allows for easy and rapid connection and disconnection of hoses or pipes with a single action. Suitable for various fluids like air, water, and oil, these couplers minimize fluid leakage due to their internal valves that open and close upon connecting or disconnecting.
They're versatile, used across industries for transferring gases and liquids in plants, chemicals, electronics, food processing, and agriculture, particularly for connecting water spray hoses and sprayers.
Available in sizes 1/4, 3/8, and 1/2, with 3/8 being most common. Selection depends on the material being transferred, with special considerations for items like medicines.
Choose based on water volume, pressure, and the coupler's ability to withstand the intended use. High-pressure couplers, featuring more internal balls and a slide lock, prevent accidental disconnections.
Connect by attaching the male plug to the female socket, with some models locking through rotation. They feature an automatic water stop function via internal ball movement. Periodic maintenance is crucial to address wear and ensure continued proper function.
*Including some distributors, etc.
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Arcadia Inc., founded in 1930 and headquartered in Vernon, USA, is a manufacturer and supplier of architectural building products. The company provides windows, framing, sun control and other entrance hardware products. Some of these products are curtain wall, storefront, sun shade and acoustics. It supports the Building Information Modeling technology by making BIM models of its products available for building design and construction teams. It also offers expertise in architectural glazing systems and can design custom window and door solutions. The company develops products that comply with the leadership in Energy and Environmental Design (LEED) for Core & Shell Rating System.
Orange Coast Pneumatics, Inc. is a distributor of pneumatic parts and products established in 2007 and based in California, USA. The company’s product inventory includes a wide range of pneumatic products, process gas equipment, and pumps. These include electro-pneumatic regulators, mass flow controllers, and pumps for use with air, liquid, or gas. The company is a national distributor of SMC Pneumatics automation products. Its products are mainly used in the pharmaceutical, aerospace, and semiconductor industries.
NITTO KOHKI EUROPE GMBH, which was established in 1956 and headquartered in Steinenbronn, Germany, is a manufacturer and designer specializing in tech components, tools, and machines. The company offers an extensive and diverse product portfolio including quick-connect couplings, delvo electric screwdrivers, door closers, pumps and air compressors, and power machine tools. These products have diverse applications in critical fields, including medical equipment, wastewater treatment systems, semiconductor manufacturing, biotechnology, and nuclear industries.
Sumake Industrial Co., Ltd., founded in 1997 and based in Taipei City, Taiwan, is a manufacturer and supplier specializing in direct current (DC) and pneumatic tools, as well as compressors. Their product portfolio includes assembly, cordless, electric, and pneumatic tools. Additionally, Sumake offers various types of air compressors, including mini, piston (belt), portable, and screw compressors, along with associated parts and accessories like cast iron pumps (compressor heads). Supporting their production operations, Sumake has a compressor facility, established as a joint venture with Lacmé, a French manufacturer. The company provides workshop equipment, such as air tapping machines, vacuum cleaners, and more.
Rohm Semiconductor is a designer and manufacturer of integrated circuits and other electronic components founded in 1958 and headquartered in Kyoto, Japan. The company mainly produces amplifiers, actuator drivers, transistors, and power devices. It also offers switches, data converters, sensors, wireless LSIs, and optoelectronics. The company holds ISO 9001:2015 and IATF 16949:2016 quality certifications and serves various sectors, including automotive, industrial, and consumer electronics. It has operations in over 95 locations across Europe, the United States, and Asia.
Hui Bao Enterprise Co., Ltd. (THB), founded in 1985 with headquarters in Hemei Township, Taiwan, is a manufacturer of air compressor components and pneumatic tools. The company's product line includes quick couplers, air hoses, air spray tools, and air hose reels. These products are used for various applications, including car wash equipment, vehicle servicing equipment, and measuring tire pressure. The company serves many OEMs across various markets, including automotive, firefighting, automotive services, and process manufacturing.
Akatsuki-Giken Co., Ltd., founded in 1930 with headquarters in Totoake City, Japan, is a custom manufacturer of specialty sealing couplers and leak-pressuring testing equipment for industry. The company's product line includes an extensive range of one-touch seal couplers suitable for gas and liquids, custom pressure leakage inspection machines and jigs, and custom compressors for air conditioners. Its clients include Denso Corporation, Honda Motor Co., Ltd., INFICON Co., Ltd., INOAC Corporation, and JTEKT Corporation. The company serves various industries, including automotive, medical, HVAC, and industrial equipment manufacturing.
SEG Electronics GmbH is a developer and manufacturer of intelligent protection devices for power generation and distribution, founded in 1969 and headquartered in Kempen, Germany. The company’s product line includes grid and protection relays, general protection devices, enhanced transformer differential protection, earth fault voltage relays, and interface adapters. It also offers directional feeder protection, main decoupling relays, and mechanical flag indicators. The company holds CE, UL, CSA, and EAC certifications, with operations in multiple countries worldwide. Its products are utilized for the electrical protection of generators, transformers, motors, cables, and overhead lines.
Romica Tie Group, established in 1999 and based in Knaresborough, North Yorkshire, United Kingdom, is a manufacturer of handling systems and components. The company’s products include launch and recovery systems (LARS) for deploying and recovering subsea equipment, specialized hydraulic power units for marine operations, and winches for lifting and handling in marine and offshore applications. It also offers custom design, installation, and personnel training services for clients requiring additional support. The company chiefly serves customers in subsea and seabed surveying, oceanographic research, offshore renewable energy operations.
Hose Factory, established in 2000 and based in Dandenong, Victoria, Australia, is a manufacturer and supplier of hose-related products. The company's product range includes kink-resistant rubber garden hoses, multiflex air compressor hoses, LPG gas hoses, grey water hoses, and fire hoses. These products are used in gardening, air compression, gas delivery, water disposal, and fire safety. It primarily serves industries like landscaping, manufacturing, residential, and fire safety. The company also offers services like custom hose lengths, hose fittings, landscaping equipment, and participation in various field days across Australia.
Kouei Japan Trading Co. LTD., founded in 2016 and based in Tokyo, Japan, is a supplier of a wide range of steel materials, tools, and equipment. Its product range includes hand, lifting, hydraulic, safety, and cutting tools. It has branches in Vietnam, Myanmar, and Bangladesh, and it sources products from several manufacturers, including Tachibana Eletech Co. Ltd, Fuji Tool Co. Ltd., Skil Corporation, 3M Japan Group, and Koki Holdings Co. Ltd. The company mainly serves those in the construction industries like bridge, port, and plant construction, and even those working in steel factories.
Ranking as of August 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | SEG Electronics GmbH |
10.3%
|
| 2 | ONE TOUCH COUPLER |
8.8%
|
| 3 | AKERLY & CHILDS, INC. |
7.4%
|
| 4 | Arcadia Inc. |
7.4%
|
| 5 | Acrossland Inc. |
7.4%
|
| 6 | Orange Coast Pneumatics, Inc. |
7.4%
|
| 7 | Akatsuki-Giken Co., Ltd. |
5.9%
|
| 8 | NITTO KOHKI EUROPE GMBH |
4.4%
|
| 9 | ROHM Co., Ltd. |
4.4%
|
| 10 | ADTOMall Inc. |
4.4%
|
Derivation Method
The ranking is calculated based on the click share within the one-touch coupler page as of August 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
5 | 23.8% |
|
Japan
|
4 | 19.0% |
|
Taiwan
|
2 | 9.5% |
|
Australia
|
2 | 9.5% |
|
Republic of Korea
|
2 | 9.5% |
|
Thailand
|
2 | 9.5% |
|
Malaysia
|
2 | 9.5% |
|
China
|
1 | 4.8% |
|
Singapore
|
1 | 4.8% |
862 products found
862 products
HARMO Co.,Ltd.
370+ people viewing
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■Dramatically reduces the time required to attach and detach material hoses ・Hose can be easily changed without tools ・Contributes to shortening ...
6 models listed
Yagyu Shokai Co., Ltd.
530+ people viewing
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■Features - Valveless specification for medium and low pressure. ・Can flow from either the socket side or the plug side.
CEJN Industrial Corporation
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The UltraFlow STC is a threaded connection version of the Ultraflow series of quick couplings specially designed for liquid cooling of electronic e...
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NITTO KOHKI CO.,LTD.
250+ people viewing
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■Features ・Improves the efficiency of replacing the painting air spray gun and paint pressure hose. - The unique swing connection method allows yo...
NITTO KOHKI CO.,LTD.
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■Features ・Reduced mold replacement time. Excellent corrosion resistance and a wide variety of variations. - Space-saving design that can be used ...
NITTO KOHKI CO.,LTD.
210+ people viewing
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■Made of stainless steel with excellent corrosion resistance. Equipped with a separation prevention mechanism that can be easily locked by simply t...
New Machine Co., Ltd.
650+ people viewing
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About the product ■Features It is ideal for filling refrigerant gas (R134a, R410a, R407c), etc., and refrigerating machine oil, etc. by using a spe...
New Machine Co., Ltd.
430+ people viewing
About the product ■Features ・Excellent functionality and chemical resistance - New Machine's TEF cup uses trifluoride resin (PCTFE) as the main bo...
![One-touch joint for water piping Jopura W [Nut type]-Joplux Co., Ltd.](https://metoree.s3.ap-northeast-1.amazonaws.com/img/products-new/30040562024072111.png)
Joplux Co., Ltd.
620+ people viewing
Last viewed: 13 hours ago
Safe material for water piping. Made of plastic and lightweight. No. 1 adopted built-in type water purifier. Safety lock mechanism is standard equ...
MEIJI AIR COMPRESSOR MFG.CO.,LTD.
390+ people viewing
The one-touch connect mechanism allows for quick connection and disconnection. The socket side has a built-in automatic open/close valve that conne...
10 models listed
weiwei Holdings Co., Ltd.
260+ people viewing
Last viewed: 10 hours ago
This is a low pressure/high pressure quick coupler set for R134a, used for gas charging of air conditioners, etc. Comes with an on/off valve for sa...
NISSAN TANAKA CORPORATION
550+ people viewing
Last viewed: 7 hours ago
■Features ・One-touch connection, slim and lightweight - When separated, the fluid is completely shut off by the valve function built into the sock...
10 models listed
M&M Co., Ltd.
320+ people viewing
Last viewed: 14 hours ago
4 models listed
Yamato Engineering Co., Ltd.
270+ people viewing
Last viewed: 10 hours ago
Valveless structure makes it ideal for high viscosity fluids. Excellent versatility with a wide range of body materials, sizes, and shapes. ■Summa...
Yagyu Shokai Co., Ltd.
530+ people viewing
Last viewed: 10 hours ago
■Features A coupler for medium pressure applications with a built-in automatic open/close valve in the socket/plug.
NITTO KOHKI CO.,LTD.
220+ people viewing
Last viewed: 10 hours ago
■Smooth piping with one-touch connection and 1/4 the weight of metal. Safety is also pursued with a sleeve separation prevention mechanism. ・Resin...
NITTO KOHKI CO.,LTD.
210+ people viewing
Last viewed: 1 day ago
■This product complies with the following regulations. ・Japan LP Gas Appliance Inspection Association Rapid Joint Inspection Regulations for Large...
New Machine Co., Ltd.
340+ people viewing
Last viewed: 21 hours ago
About the product ■Features - Connection can be made with one-touch operation by simply pushing the plug into the socket. ・This is a mini-sized co...
CEJN Industrial Corporation
370+ people viewing
Last viewed: 1 hour ago
■Improve productivity with CEJN's eSafe series Reduce energy consumption by up to 30% with eSafe The high flow rate improves your tool performance ...
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![One-touch joint for water piping Jopura W [Female thread type]-Joplux Co., Ltd.](https://metoree.s3.ap-northeast-1.amazonaws.com/img/products-new/30040562024072110.png)
Joplux Co., Ltd.
590+ people viewing
Safe material for water piping. Made of plastic and lightweight. No. 1 adopted built-in type water purifier. Safety lock mechanism is standard equ...
Tsukiji Manufacturing Co., Ltd.
370+ people viewing
Last viewed: 3 hours ago
Compact yet large capacity. Piping with small pitches is also possible.
2 models listed
NITTO KOHKI CO.,LTD.
200+ people viewing
Last viewed: 1 day ago
■Features - Three pipes can be connected simultaneously from one pipe. ・Compact with a sleeve outer diameter of φ9.5mm, even though the socket has...
NITTO KOHKI CO.,LTD.
230+ people viewing
■Features -The main body and spring are made of stainless steel (SUS304), and the valve uses fluororesin sealing material. Demonstrates excellent p...
weiwei Holdings Co., Ltd.
260+ people viewing
Last viewed: 10 hours ago
Low pressure/high pressure quick coupler set for R134a, used for gas charging of air conditioners, etc. ■Product contents ・Low pressure quick cou...
Joplux Co., Ltd.
480+ people viewing
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Make effective use of your workspace and extend your range. A highly durable and highly reliable coiled hose that is resistant to stretching. ■Rel...
Yagyu Shokai Co., Ltd.
530+ people viewing
Last viewed: 10 hours ago
■Features - The valve's automatic center return function stabilizes the sealing performance after separation. ・Double-way opening/closing type ・F...
NITTO KOHKI CO.,LTD.
270+ people viewing
Last viewed: 21 hours ago
■Features - The body material is made of polytetrafluoroethylene resin (PTFE), so it has excellent chemical resistance. ・Reduced waste of chemical...
NITTO KOHKI CO.,LTD.
170+ people viewing
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■Features ・Energy-saving coupler that can reduce compressor source pressure. ・Achieves low pressure drop and large flow rate. Compared to "Hi-C...
New Machine Co., Ltd.
360+ people viewing
Last viewed: 21 hours ago
About the product ■Features -The main body material is SUS316. - Sockets and plugs have built-in valves, so they can be used for a wide range of pu...
CEJN Industrial Corporation
400+ people viewing
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■Improve productivity with CEJN's eSafe series Reduce energy consumption by up to 30% with eSafe The high flow rate improves your tool performance ...
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