Coupling Product List and Ranking from 38 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

Coupling Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

  1. ショーボンドマテリアル Tokyo//Building materials, supplies and fixtures manufacturers
  2. アトムズ Chiba//Building materials, supplies and fixtures manufacturers
  3. null/null
  4. 4 ストーブリ Osaka//Trading company/Wholesale
  5. 5 セインジャパン Ibaraki//others
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Coupling Product ranking

Last Updated： Aggregation Period:Oct 08, 2025～Nov 04, 2025
This ranking is based on the number of page views on our site.

  1. Strub Coupling General Catalog ショーボンドマテリアル
  2. Atoms Coupling "CH Silicone Rubber Type" アトムズ
  3. Repair clamp equipped with heat-resistant silicone rubber! For repairing steam pipes! アトムズ
  4. Atoms Coupling General Catalog アトムズ
  5. 4 Connector/Coupling for FANUC Servo Motors

Coupling Product List

31～45 item / All 259 items

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Blind Mate Auto Coupling

Blind Mate Auto Coupling

Minimal air intrusion and leak-free attachment and detachment. Compact auto-coupling suitable for integration into server racks.

Designed for thermal management applications that require minimal air ingress and leak-free attachment and detachment. The unique design prevents damage to seals during attachment and detachment under pressure, ensuring a highly airtight fit. Automatic alignment features enable blind connections. Made from durable and corrosion-resistant stainless steel and hardened anodized aluminum alloy. The temperature range for the specially developed nitrile (NBR) seals in this series is -40°C to 80°C. EPDM seals are also available.

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Quick Connect Coupling for Data Centers

Quick Connect Coupling for Data Centers

High-performance coupling for data centers requiring advanced and powerful thermal management systems.

Sain collaborates with leading companies in the data center industry, manifold manufacturers, and chassis manufacturers to design and develop compatible quick connect solutions, contributing to the OCP (Open Compute Project) community. They manufacture products compliant with OCP specifications such as UQD, UQDB, LQC (OCP Large), and BMQC (OCP Blind-mate). Due to their use in delicate environments and limited spaces, there is a need for compact quick connectors that maintain the best performance and the lowest pressure loss. Sain offers a variety of couplings for data centers that feature no liquid leakage, low pressure loss, and high flow rates. For more details, please visit the following page: https://www.cejn.com/ja-jp/applications/data-center/

  • Commercial kitchen

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Automatically opens and closes during attachment and detachment! Versatile fluid coupling.

Automatically opens and closes during attachment and detachment! Versatile fluid coupling.

No fluid leakage to the outside during attachment and detachment! A fitting widely used for fluids, equipped with an automatic opening and closing valve.

The "Dual Valve NS-SP Type Coupling" is equipped with automatic opening and closing valves in both the socket and the plug! When separated, the opening and closing valves operate, preventing fluid from leaking externally, making it a highly versatile fluid coupling that can be widely used across various industries! 【Features】 〇 When the plug is inserted into the socket, both valves open and fluid flows instantly. 〇 Since both the socket and the plug are equipped with automatic opening and closing valves, there is no leakage of fluid to the outside during separation. 〇 The operation sleeve used when attaching the plug has a wide flange for ease of operation, allowing for easier detachment of the plug compared to conventional methods.

  • Piping Equipment

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Consolidate multiple air and electrical circuits in one place and connect them simultaneously! Mechatronic joint.

Consolidate multiple air and electrical circuits in one place and connect them simultaneously! Mechatronic joint.

A pneumatic tube mechatronic connector that consolidates complex circuits and simplifies setup changes!

The multi-tube connector can simultaneously connect multiple tubes in one operation to complex air circuits, such as pneumatic control devices, and can attach electrodes! This allows for the simultaneous connection of electrical circuits, such as electric signals and relays, with air circuits, making it easy to change the setup of work processes. It is a multi-port pneumatic tube connector. 【Features】 〇 Multiple pneumatic circuits can be connected at once with a single touch. 〇 The socket part is equipped with an automatic opening and closing valve, preventing fluid from leaking outside during disconnection.

  • Wiring devices

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Dual Valve Coupling "NS-SP Type"

Dual Valve Coupling "NS-SP Type"

Socket plug with built-in automatic opening and closing bubble! Versatile fluid coupling.

The "NS-SP type" is a dual-valve coupling equipped with automatic opening and closing bubbles in both the socket and plug. When separated, the opening and closing bubbles activate, preventing fluid from leaking externally, making it a highly versatile fluid connector suitable for use across various industries. Additionally, the operating sleeve features a wide flange, making it easy to attach and detach the coupler. 【Features】 ■ Highly versatile ■ Dual bubble type for medium pressure ■ Automatic opening and closing valves built into both socket and plug ■ Easy attachment and detachment of the coupler ■ High-performance, large flow type with low pressure loss also available For more details, please refer to the catalog or feel free to contact us.

  • Piping Equipment
  • Fittings

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Multi-tube connection coupling "Nas Multi Coupler MR type"

Multi-tube connection coupling "Nas Multi Coupler MR type"

Consolidate multiple pneumatic circuits! One-touch coupler for simultaneously connecting circuits.

The "Nasumaruchi Coupler" allows for the simultaneous connection of multiple tubes by connecting several tubes to the socket and plug sides for the supply of air to multiple core cylinders, such as resin molding molds and die-casting molds. It is a connector that makes unit replacement easy due to equipment separation, movement, or failure. 【Features】 ■ Consolidates multiple pneumatic circuits ■ Connects circuits simultaneously ■ One-touch coupler ■ MR type has no tube fittings ■ Easy unit replacement due to equipment separation, movement, or failure For more details, please refer to the catalog or feel free to contact us.

  • Piping Equipment
  • Fittings

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One-touch airtight inspection seal jig "Seal Clamp"

One-touch airtight inspection seal jig "Seal Clamp"

One-touch type! A sealing jig for airtight inspection that clamps and seals all types of work.

The "Seal Clamp" is a labor-saving device that allows for easy connection and sealing to the inspection target (workpiece) in the inspection processes of various products in the automotive and HVAC industries, transitioning from traditional screw-in or flange-fixed methods to a one-touch connection that simply inserts into the workpiece. Due to its structure that applies sealing pressure, it experiences minimal wear on rubber materials such as gaskets, and its diverse clamp designs ensure reliable locking and sealing. 【Features】 ■ One-touch connection ■ High airtight performance ■ Minimal wear and consumption of sealing materials ■ Reliable locking and sealing with a variety of clamp structures For more details, please refer to the catalog or feel free to contact us.

  • Piping Equipment
  • Fittings

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Hydraulic coupling

Hydraulic coupling

Environmentally friendly

These series are non-spill types that comply with ISO16028 or are ISO16028 compliant, with no oil leakage during attachment and detachment, and are environmentally friendly. They adhere to a globally recognized ISO standard, making them usable overseas. In particular, the APM(M) series can be attached and detached at residual pressures up to 300 bar, with sizes ranging from 3/8 (APM9) to 1-1/2 (APM30). The thread types are BSP and NPT, with flow rates of approximately 60 to 600 L/min (at a pressure drop of 4 bar) and maximum pressures of 270 to 350 bar. The A series includes 8 types ranging from 1/8 (A4) to 1-1/2 (A30), with thread types of BSP and NPT, flow rates of approximately 9 to 900 L/min (at a pressure drop of 4 bar), and maximum pressures of 270 to 420 bar. The FIRG series has sizes ranging from 1/4 (FIRG14) to 2 (FIRG200), with thread types of BSPT, BSP, and NPT, flow rates of approximately 30 to 1500 L/min (at a pressure drop of 4 bar), and maximum pressures of 200 to 330 bar. We have BSPT connection thread types in stock. These products are used in various machines, including construction, civil engineering, agriculture, and industrial machinery.

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Flat Face Coupling "FIRG Series"

Flat Face Coupling "FIRG Series"

It reduces environmental impact by eliminating losses due to hydraulic oil leakage during attachment and detachment.

"FIRG" was developed in 1983 as the original flat face coupling. The development of this series was a significant reform in the market for self-sealing couplings. Widely used in hydraulic applications, the "FIRG" series has established itself as a leading model in line with the ISO16028 compatibility standard over time. Due to its high durability and various advantages, the "FIRG" series is increasingly recognized and used by hydraulic equipment manufacturers. Please use it to prevent oil leakage and contamination intrusion. 【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 oil during connection and disconnection, reducing environmental impact. ○ Air entrapment during connection and disconnection is minimized, aiding optimal system operation. ○ The design of internal components to promote laminar flow prevents turbulence and minimizes pressure loss, helping to maintain system efficiency. ○ Strong against peak pressure. For more details, please contact us or download the catalog.

  • Prime movers, torque converters, hydraulic equipment, generators
  • Structural Materials
  • others

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Screw-type flat face coupling "VP-P series"

Screw-type flat face coupling "VP-P series"

Effectively prevents detachment and hydraulic oil loss under conditions of high residual pressure.

The "VP-P" screw-type flat face coupling is a technical solution for the demands of hydraulic applications. The threaded connection prevents early wear and the sticking that can occur with mechanical locking ball systems. Therefore, it is suitable for applications with high pressure and frequent pulse generation. The triple valve system effectively prevents disconnection and hydraulic fluid loss under conditions of high residual pressure. The safety sleeve used in the connection system prevents unexpected disconnection due to strong vibrations or bending. 【Features】 ○ Easy to clean, effective in reducing contamination intrusion into the system ○ 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 ○ Effective for easy connection under conditions of residual pressure ○ Prevention of unexpected disconnection through the safety sleeve of the connection system ○ Modular structure allows for diverse specifications of ports ○ Strong against peak pressure ○ Safe and simple to use ● For more details, please contact us or download the catalog.

  • Structural Materials
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Flat Face Coupling "FIRG-Q Series"

Flat Face Coupling "FIRG-Q Series"

Higher corrosion resistance than standard galvanized products is effective in specific corrosive environments.

The "FIRG-Q" flat face coupling is suitable for the transfer of weakly corrosive environments and corrosive liquids (such as sugar water, water, glycol, etc.). This product is made of carbon steel and undergoes special nitriding and oxidation treatments on its surface. The internal valve components are made of stainless steel AISI 303, and seals can be selected according to the type of liquid and operating temperature. The flat face design eliminates leaks during connection and disconnection, preventing contamination from entering the system. The "FIRG-Q" series, featuring a flat face design and corrosion resistance, is primarily suitable for industrial machine applications. 【Features】 ○ Easy to clean, effectively reducing contamination intrusion into the system ○ No loss due to leakage of hydraulic oil during connection and disconnection, reducing environmental impact ○ Minimizes air entrapment during connection and disconnection, aiding optimal system operation ○ Patent-pending internal component design minimizes pressure loss 　→ Prevents reduction in system efficiency ○ Higher corrosion resistance than standard zinc-plated products is effective in specific corrosive environments ○ Strong against peak pressure ○ Compact appearance ○ Safe and simple to use ● For more details, please contact us or download the catalog.

  • Structural Materials
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Poppet valve type quick coupling "BIR Series"

Poppet valve type quick coupling "BIR Series"

Wide compatibility and a wide range of sizes - the most commonly used self-sealing coupling in the agricultural and industrial machinery fields.

The "BIR" series is a poppet valve type quick coupling compatible with ISO7241-1 "A". This series is made of carbon steel and has a zinc-plated surface. These couplings offer wide compatibility and are available in a broad range of sizes from 1/4” to 2”. Therefore, the "BIR" series is one of the most commonly used self-sealing couplings in the fields of agricultural and industrial machinery. 【Features】 ○ Enhanced sealing during disconnection due to the sealed poppet valve ○ Internal component design prevents turbulence and reduces pressure loss ○ Compact and slim design ○ Easy to use ● For more details, please contact us or download the catalog.

  • Structural Materials
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Poppet valve type quick coupling "IRB Series"

Poppet valve type quick coupling "IRB Series"

Compatible with international standard ISO 7241-1 "B" and used in various industrial hydraulic equipment.

The "IRB" is compatible with the world standard ISO 7241-1 "B" for poppet valve quick couplings. It features a carbon steel body with a zinc-plated surface treatment. It is designed for compatibility with global standards. The "IRB" is used in various industrial hydraulic applications. 【Features】 ○ The sealed poppet valve provides maximum sealing effect during disconnection. ○ The design of internal components is optimized to minimize turbulence and pressure loss. ○ Compact appearance. ○ Simple operation. ● For more details, please contact us or download the catalog.

  • Prime movers, torque converters, hydraulic equipment, generators
  • Structural Materials
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Poppet valve type quick coupling "IRBO Series"

Poppet valve type quick coupling "IRBO Series"

Brass-bodied equipment active in the industrial machinery market where corrosion resistance is required.

The "IRBO" is a poppet valve type quick coupling series that is compatible with the international standard ISO 7241-1 "B". The body is made of brass, and the spring and locking ball are made of stainless steel. The "IRBO" was developed for applications in the industrial machinery market where the corrosion resistance of brass can be utilized. 【Features】 ○ The sealed poppet valve provides maximum sealing effect during disconnection. ○ The design of internal components is optimized to minimize turbulence and pressure loss. ○ Higher corrosion resistance compared to zinc plating. ○ Compact appearance. ○ Simple operation. ● For more details, please contact us or download the catalog.

  • Structural Materials
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Poppet valve type quick coupling "I Series"

Poppet valve type quick coupling "I Series"

The most common size coupling that expands the options for port selection through a modular structure.

The "I" series is a poppet valve quick coupling with a modular structure, made of carbon steel and zinc-plated on the surface. This coupling is compact and offers various port options due to its modular design, meeting the demands of various applications. It is available in the most common size of 1/2” compatible with ISO 7241-1 “A”. 【Features】 ○ The integrated seal poppet valve creates maximum sealing effect upon disconnection. ○ The optimal internal component design prevents turbulence and reduces pressure loss. ○ The modular structure expands port options. ○ Compact appearance. ○ Simple operation. ● For more details, please contact us or download the catalog.

  • Structural Materials
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