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Coupling Product List and Ranking from 102 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

Coupling Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. ケーティーアールジャパン Hyogo//Machine elements and parts
  2. null/null
  3. 藤川伝導機 Tokyo//Industrial Machinery
  4. 4 ストーブリ Osaka//Industrial Machinery
  5. 5 null/null
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Coupling Product ranking

Last Updated： Aggregation Period:Dec 24, 2025～Jan 20, 2026
This ranking is based on the number of page views on our site.

  1. ROTEX Flexible Coupling ケーティーアールジャパン
  2. Grip Lock CAD Data List
  3. KTR offers a wide range of couplings to meet diverse application needs! ケーティーアールジャパン
  4. Toyo Love Flex Coupling Catalog 藤川伝導機
  5. 4 Magnet Coupling "DST" 日本フローコントロール

Coupling Product List

511～525 item / All 836 items

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Inch screw fittings (joints, couplings, connectors)

Inch screw fittings (joints, couplings, connectors)

Compatible with inch screws.

CPC Call-Dar Products Company offers 8,000 types of couplings and connectors, including many that accommodate both metric and inch threads. Additionally, metric threads can be converted to inch threads, and conversions for different diameters are also available. <CPC Plastic Fitting Features> Lightweight and low-cost. Suitable for both gas and liquid use. All-plastic options are available for disposable use. Products compatible with dust-free clean rooms are ideal for medical and precision machinery applications. In the valve type, liquids (gases) are automatically stopped even when removed under pressure. There is a wide range of couplings made from plastics that have been confirmed for safety, such as NSF standard C-2 and USP Class VI, ensuring food safety.

  • joint

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High Temperature (UV Resistant) Super Engineering Plastic Fittings (Couplings) Catalog

High Temperature (UV Resistant) Super Engineering Plastic Fittings (Couplings) Catalog

Usable at temperatures from -40 degrees to 138 degrees. Energy-saving and power-up with changes from metal!

This is a catalog for plastic fittings that use UV-resistant polysulfone, which has enhanced UV resistance compared to regular polysulfone, and features an easy-to-operate one-touch structure that also allows for partition installation. It is suitable for outdoor use, such as in outdoor cleaning machines, pesticide sprayers, boats, and chemical sprays. Additionally, switching from stainless steel to engineering plastics can reduce heat transfer in high-temperature environments, significantly improving power efficiency and energy savings.

  • HFC　画像.jpg
  • Pipe Fittings

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Non-Spill Coupling NS6 Catalog for Protecting Human Environment from Harmful Chemicals

Non-Spill Coupling NS6 Catalog for Protecting Human Environment from Harmful Chemicals

No liquid leakage, one-touch connection is possible.

It protects workers from carcinogenic substances and highly volatile harmful substances. This is a joint that minimizes leakage to nearly zero during attachment and detachment thanks to the non-spill valve. The non-spill design allows for connections under pressure, and its material, glass fiber-reinforced polypropylene, is compatible with many chemical agents. It can be attached and detached with one hand using a one-touch button, and the color coding allows for visual differentiation of piping. <Features of CPC Plastic Fittings> Lightweight and low-cost. Rust prevention. Usable for both gases and liquids. All-plastic construction allows for disposable options. Dust-free cleanroom compatible products are available for medical and precision machinery applications. The tube can rotate freely, reducing twisting and preventing tube detachment accidents during use. In the valve type, even when removed under pressure, the liquid (gas) automatically stops. There is a wide range of couplings made from plastics that have been confirmed for safety, such as NSF standard C-2 and USP type VI, ensuring food safety.

  • NS6 画像.jpg
  • joint

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T-shaped, L-shaped, and straight PMC coupling (joint)

T-shaped, L-shaped, and straight PMC coupling (joint)

A wide range of options at low prices.

These are fittings (T-shaped, L-shaped, straight) that can be attached to PMC. For details, please download and view the catalog.

  • PMC 画像.jpg
  • Analytical Equipment and Devices

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Hasterois Spring Equipped Coupling (Custom Order)

Hasterois Spring Equipped Coupling (Custom Order)

Hastelloy can be used for the internal spring.

It is possible to use Hastelloy for internal springs. For other materials such as beryllium copper and PEEK springs, please inquire. We offer a wide range of applications including liquids, gases, chemicals, high temperatures, machinery, medical, and ink. Push-button plastic fittings with dual-side valves. Suitable for liquids and gases. Metal versions are also available and can rotate. ——Automatic valves for easy attachment and detachment without reducing pressure—— *Available for download from this screen. ● Machine integration... Easily transform your current machinery ● Non-spill fittings for printers... Eliminates ink spills during attachment and detachment ● Non-spill fittings for liquid cooling and water cooling... For liquid cooling of computers and electronic devices ◇ Ultra-compact... Lightweight and compact machinery at a low cost ◇ Semiconductor and high purity... All resin ◇ High temperature and outdoor use... Engineering plastics

  • Pipe Fittings

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Coupling equipped with Carletz Simritz Kemuratz

Coupling equipped with Carletz Simritz Kemuratz

Internal O-ring can be equipped with Carlets, Simlitz, and Kemlitz.

The internal O-ring can be equipped with Carlets, Simlitz, and Kemlitz. Additionally, O-rings compliant with food safety (NSF) and medical (USP Type VI) standards, as well as those made of silicone, Viton, NBR, and EPDM, are also available. We offer a wide range of applications for liquids, gases, chemicals, high temperatures, machinery, medical use, and inks. Plastic fittings with push buttons and dual-side valves. Suitable for liquids and gases. Metal versions are also available and can rotate. ——Automatic valve allows for attachment and detachment without pressure reduction—— *Available for download from this screen. ● Machine integration... Easily transform existing machinery ● Non-spill fittings for printers... Eliminates ink spills during attachment and detachment ● Non-spill fittings for liquid cooling and water cooling... Liquid cooling for computers and electronic devices ◇ Ultra-compact... Lightweight and compact machinery at a low cost ◇ Semiconductor and high purity... All resin ◇ High temperature and outdoor use... Engineering plastics

  • Pipe Fittings

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Screw Connection Flat Face Coupling "VEP-HD Series"

Screw Connection Flat Face Coupling "VEP-HD Series"

Non-spill type that contributes to the prevention of water quality pollution and soil contamination! It prevents oil from leaking externally during attachment and detachment, and allows for attachment and detachment even when there is residual pressure.

The "VEP-HD" allows for safe coupling and uncoupling even with high residual pressure due to its triple valve system. At the same time, it prevents external oil leakage during coupling and uncoupling. It is designed with heavy-duty, high-pressure hydraulic applications in mind, considering high repetitive peak pressures and significant mechanical stress. The "VEP-HD" is made from high-tensile carbon steel and features a nitrided surface treatment that reduces wear on the coupling. This series underwent one million impulse tests during its development. 【Features】 ○ The flat face is easy to clean and effectively reduces contamination intrusion into the system. ○ There is no external leakage of operating oil during coupling and uncoupling, reducing environmental impact. ○ It minimizes air entrapment during coupling and uncoupling, aiding in optimal system operation.

  • Coupling

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Flat Face Coupling "A Series"

Flat Face Coupling "A Series"

Minimizing air entrapment during attachment and detachment helps optimize the system's operation.

The "A" series embodies Stucchi's technological innovations. It incorporates quality into flat face couplings. The interior uses high-strength materials, allowing for use at higher pressures, and is designed to minimize pressure loss. The modular structure maintains a compact shape while allowing for the selection of various types of screws, and offers flexibility to provide special ports as required. These features minimize losses and contamination in many applications that demand higher performance in the hydraulic industry. This is why the "A" series remains a leader. 【Features】 ○ The flat face is easy to clean and effectively reduces contamination intrusion into the system. ○ There is no loss due to leakage of hydraulic fluid during connection and disconnection, reducing environmental impact. ○ It minimizes air entrapment during connection and disconnection, aiding optimal system operation. ○ The design of internal components is crafted to ensure minimal pressure loss, preventing a decrease in system efficiency. ○ The modular structure allows for diverse specifications of ports. For more details, please contact us or download the catalog.

  • Coupling
  • Piping Materials
  • Hydraulic Equipment

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Flat Face Coupling "AX Series"

Flat Face Coupling "AX Series"

Strong against peak pressure. Compact appearance. Safe and simple to use.

The “AX” series coupling is a groundbreaking product that uses stainless steel in Stucchi's flat face couplings. The product is made from AISI316 stainless steel, making it ideal for applications in highly corrosive environments. The “AX” coupling employs Viton/fluorocarbon seals, and special seals can also be accommodated. The modular structural design allows for a selection of various joint screws and the creation of special screws. This structure also achieves miniaturization and contributes to improved performance as a coupling. 【Features】 ○ Easy to clean, effectively reducing contamination intrusion into the system ○ No loss due to leakage of operating fluid during attachment and detachment, reducing environmental impact ○ Minimizes air entrapment during attachment and detachment, aiding optimal system operation ○ The patented design of internal components is engineered to minimize pressure loss, preventing a decrease in system efficiency ○ The modular structure allows for diverse specifications of ports while enhancing the performance of the coupling For more details, please contact us or download the catalog.

  • Coupling
  • Piping Materials

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Screw-Type Flat Face Coupling "VEP-P Series"

Screw-Type Flat Face Coupling "VEP-P Series"

The internal pressure relief valve system is effective for easy connection when there is residual pressure.

The "VEP-P" screw-type flat face coupling series is a proposal from Stucchi suitable for high-pressure hydraulic applications and connections where residual pressure remains. This screw connection system prevents early wear and the sticking of the ball parts that can occur in circuits with high pulse pressure. The triple valve structure allows for safe connections without oil loss during attachment and detachment, even in situations with residual pressure. 【Features】 ○ Easy to clean, effectively reducing contamination intrusion into the system ○ Eliminates losses due to leakage of operating oil during attachment and detachment, reducing environmental impact ○ Minimizes air entrapment during attachment and detachment, aiding optimal system operation ○ The design of internal components is devised to minimize pressure loss, preventing a decrease in system efficiency ○ The internal pressure relief valve system is effective for easy connections in the presence of residual pressure For more details, please contact us or download the catalog.

  • Coupling
  • Piping Materials

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Flat Face Coupling "A-HP Series"

Flat Face Coupling "A-HP Series"

Ideal for ultra-high pressure applications up to 720 bar and when high safety is required.

The "A-HP" series is a flat-face coupling designed for high-pressure hydraulic applications up to 720 bar. This coupling is manufactured from high-tensile steel. The flat-face design prevents oil leakage during connection and disconnection. For safety, this coupling is designed to be incompatible with lower-pressure couplings. The automatic safety lock prevents unexpected disconnection of the coupling. The "A-HP" series is ideal for high-pressure applications or when higher safety is required. 【Features】 ○ Easy to clean, effectively reduces contamination intrusion into the system ○ No loss due to leakage of hydraulic fluid during connection and disconnection, reducing environmental impact ○ Minimizes air entrapment during connection and disconnection, aiding optimal system operation ○ Patent-protected internal component design minimizes pressure loss 　→ Prevents decrease in system efficiency ○ Automatic locking feature prevents unexpected disconnection / reduces operation time 　→ Particularly important for rescue equipment ○ Modular structure allows for diverse port specifications ○ Compact appearance ○ Safe and simple to use ● For more details, please contact us or download the catalog.

  • Coupling

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Flat Face Coupling "APM Series"

Flat Face Coupling "APM Series"

Ideal for circuits with residual pressure; allows connection without loss of operating fluid.

The "APM" male flat face coupling was developed for the purpose of manual connection in circuits with residual pressure. This coupling employs a triple valve system (double internal residual pressure release valve + flat face valve). By using this system, it is possible to connect in circuits with residual pressure without losing hydraulic fluid. This system makes the "APM" coupling an ideal product for circuits with residual pressure. 【Features】 ○ Easy to clean, effectively reducing contamination intrusion into the system ○ No loss due to hydraulic fluid leakage during connection and disconnection, reducing environmental impact ○ Minimizes air entrapment during connection and disconnection, aiding optimal system operation ○ Allows manual connection even with high residual pressure due to the internal residual pressure release valve system ○ Modular structure enables diverse specifications for ports ○ Strong against peak pressure ○ Compact appearance ○ Safe and simple to use ● For more details, please contact us or download the catalog.

  • Coupling

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Flat Face Coupling "FL Series"

Flat Face Coupling "FL Series"

Highly corrosion-resistant and long-lasting, ideal for environments with corrosive substances and for the transport of corrosive fluids.

The "FL" flat face coupling is a solution proposed by Stucchi for use in corrosive environments and for the transfer of corrosive fluids. The "FL" coupling is made of stainless steel AISI 316, and the standard seal uses Viton/perfluorocarbon. Additionally, special seal materials can be selected according to the required temperature and fluid type. The features of the stainless steel flat face coupling include leak prevention during connection and disconnection, suppression of contamination entry into the system, and very high corrosion resistance. The "FL" series is suitable for applications in offshore, marine, industrial machinery, chemical, pharmaceutical industries, and the food industry. 【Features】 - Easy to clean, effectively reducing contamination entry into the system - No loss due to leakage of operating oil during connection and disconnection, reducing environmental impact - Minimizes air entrapment during connection and disconnection, aiding optimal system operation - The patented internal component design is engineered to minimize pressure loss, preventing a decrease in system efficiency - High corrosion resistance and long lifespan - Compact appearance - Safe and simple to use ● For more details, please contact us or download the catalog.

  • Coupling

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Poppet valve type quick coupling "IRBX Series"

Poppet valve type quick coupling "IRBX Series"

Corrosion-resistant coupling compatible with international standard ISO7241-1 "B".

"IRBX" is a quick coupling for poppet valves compatible with the international standard ISO 7241-1 "B". The body is made of stainless steel 316. "IRBX" was developed for corrosive environments or corrosive fluids. 【Features】 ○ The sealed poppet valve provides maximum sealing effect upon disconnection. ○ The design of internal components minimizes turbulence and pressure loss. ○ Resistant to corrosion. ○ Compact appearance. ○ Simple operation. ● For more details, please contact us or download the catalog.

  • Coupling

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Ball valve type quick coupling "IR Series"

Ball valve type quick coupling "IR Series"

Utilizing the wear-resistant characteristics of ball valves, we will thrive in the agricultural machinery market.

The "IR" is a ball valve type quick coupling with a carbon steel body that has been zinc plated. It takes advantage of the wear-resistant features of the ball valve and is mainly used in the agricultural machinery market. The size is 1/2 and is compatible with the international standard ISO 7241-1 "A". 【Features】 ○ The ball made of hardened steel shows high wear resistance ○ Compact appearance ○ Simple operation ● For more details, please contact us or download the catalog.

  • Coupling

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