Coupling Product List and Ranking from 36 Manufacturers, Suppliers and Companies | IPROS

Last Updated: Aggregation Period:May 27, 2026~Jun 23, 2026
This ranking is based on the number of page views on our site.

Coupling Manufacturer, Suppliers and Company Rankings

Last Updated: Aggregation Period:May 27, 2026~Jun 23, 2026
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. ストーブリ Osaka//Trading company/Wholesale
  4. 4 セインジャパン Ibaraki//others
  5. 5 扶桑工業 Shizuoka//Other construction industries

Coupling Product ranking

Last Updated: Aggregation Period:May 27, 2026~Jun 23, 2026
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. Repair clamp equipped with heat-resistant silicone rubber! For repairing steam pipes! アトムズ
  3. Stainless steel coupling "MCB" with no liquid leakage [Fluid Connector] ストーブリ
  4. 4 Bowling rod coupling 扶桑工業
  5. 5 Atoms Coupling "CH Silicone Rubber Type" アトムズ

Coupling Product List

181~210 item / All 254 items

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Low pressure quick coupling AT type new one-touch

Single-sided open/close low-pressure quick coupling AT type new one-touch (plastic sleeve)

Adoption of special reinforced resin! Lightweight low-pressure single-side opening and closing quick coupling 【Features】 ○ Improved internal structure increases flow rate by 25% (compared to our conventional products) ○ Adoption of special reinforced resin achieves over 10% weight reduction (compared to our conventional products) ○ A clever modification to the sleeve structure significantly reduces disconnection during unexpected impacts ○ Side O-ring method allows for easy replacement of sealing materials, making it economical ○ Connection with CAL20 type plug is acceptable ○ Main body material: Steel (chrome-plated) & reinforced resin (POM) ○ Mounting shapes: Female thread (F), male thread (M), hose nipple (H), with nut (A, B)

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Dual path opening and closing high-pressure quick coupling H.P type

Dual-Path Opening and Closing High Pressure Quick Coupling H.P. Type

High-pressure dual-path shut-off quick coupling equipped with automatic valves on both the socket and plug 【Features】 ○ The main body is made of special steel (chromoly steel) that is resistant to vibration and impact ○ It has undergone heat treatment, making it excellent in wear resistance and tensile strength ○ Pressure loss is extremely low, making it particularly suitable for hydraulic equipment piping ○ The valves of the socket and plug instantly adhere to the valve seat surface, closing the passage ○ The valves of the socket and plug push against each other to open the passage, allowing fluid to flow ○ Backflow prevention is achieved with a backup ring. It can be completely sealed with an O-ring ○ Main body material: special steel (chromoly steel) with zinc plating ○ Mounting shape: male threads (F) for both socket and plug only

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Dual path open/close type quick coupling for medium and low pressure, S·P-V type

Dual path opening and closing quick coupling for medium and low pressure, S・P-V type.

Equipped with a highly confidential structure automatic opening and closing valve Quick coupling suitable for medium and low pressure applications across a wide range of vacuum uses 【Features】 ○ Excellent vacuum resistance, ensuring that fluids in the piping do not leak externally even during separation Demonstrates outstanding vacuum resistance (1x10-3 mmHg) ○ Compatible with production lines for coolers and refrigerators ○ Available in two types of main body materials: brass and stainless steel (SUS304) ○ Fluids can flow from either the socket side or the plug side ○ (When placing an order) please inform us of the application, fluid, pressure, temperature, specifications, etc.

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Quick coupling (fitting) SPE type

A new structure with high flow rate and high efficiency! The axial seal method has dramatically improved the centering performance!

The new design of the parts configuration achieves energy savings and high efficiency. By reducing flow loss, it meets the needs of various sites. *For details, please refer to the catalog download.

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Quick Coupling KC Type for Mold Cooling Water with Single Path Open/Close System

Quick Coupling KC Type (Fitting) for Mold Cooling Water with Open/Close Function

It is ideal for hose piping for mold cooling water. 【Features】 ■ Traditionally, mold changes took a lot of time, but this has been remarkably improved, making the work easier. ■ The connection and disconnection of the mold cooling water hose can be done quickly. ■ It does not have vacuum resistance when used alone or when connected.

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Quick Coupling AT Type New One-Touch

Low pressure, single-way open-close quick coupling AT type New One-Touch (steel sleeve) (fitting)

【Features】 ■ No need to slide the sleeve forward each time, improving work efficiency. ■ One-touch connection for excellent operability! ■ Simply plug it in to reduce connection time, significantly enhancing productivity. ■ Optimal workability, revolutionary and very convenient for those actually using it on-site. ■ Side O-ring type for easy replacement. ■ Compatible with general-purpose couplings. ■ The plug is compatible with the AL20 type for connection.

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Custom Couplings: Examples of Joints for Shipyards

Custom Couplings: Examples of Joints for Shipyards

This is a case study of special couplings and custom couplings from Nagahori Industries. We introduce custom couplings (joints) that can be manufactured even from a single prototype. 【Case Study】 - To prevent incorrect connections of three types of gases (air, carbon dioxide, oxygen) for a shipyard, the shapes of the plugs are different so that they are not interchangeable. - A double seal structure with a packing and an O-ring. ■ For more details, please contact us through the section below【Contact Us】■ □ For detailed specifications, please refer to the downloadable materials□

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Custom Couplings: Examples of Connectors for Dental Medical Equipment

Custom Couplings: Examples of Connectors for Dental Medical Equipment

This is a case study of special couplings and custom couplings from Nagahori Industry. We introduce custom couplings (joints) that can be manufactured even from a single prototype. 【Case Study】 - For dental medical equipment - Main material: Brass (electroless nickel plating) - Seal material: NBR - Maximum operating pressure: 2.3 MPa ■ For more details, please contact us through the section below【Contact Us】■ □ For detailed specifications discussions, please refer to the downloadable materials□

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Custom Coupling - Helical Shape Coupling

Custom Coupling - Helical Shape Coupling

This is a case study of special couplings and custom couplings from Nagahori Industrial. We introduce custom couplings (joints) that can be manufactured even from a single prototype. 【Case Study】 - Adopts a helical shape with no liquid accumulation. - Main material: SUS316L (electropolished) - Seal material: FPM - Maximum operating pressure: 6.5MPa ■ For more details or inquiries, please contact us through the link below ■ □ For detailed specifications discussions, please refer to the downloadable materials □

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Custom Coupling: Screw Coupling for Refrigerant-Related Companies

[Custom Coupling] Screw Coupling for Refrigerant-Related Companies

This is a case study of special couplings and custom couplings from Nagahori Industries. We introduce custom couplings (joints) that can be manufactured even from a single prototype. 【Case Study】 This is a screw coupling for a refrigerant-related company. ■ For details and inquiries, please contact us using the link below ■ □ For detailed specifications, please refer to the downloadable materials □

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Custom Couplings for Medical-related Companies

Custom Couplings for Medical-Related Companies

This is a case study of special couplings and custom couplings from Nagahori Kogyo. We introduce custom couplings (joints) that can be manufactured even from a single prototype. 【Case Study】 - Used in a medical supplies manufacturing factory - Main body material: SUS304 - Seal material: Silicone - Due to limited installation space, a sleeve outer diameter of Φ17 is used (standard is φ18) - Degreased product ■ For more details, please contact us through the section below【Contact】■ □ For detailed specifications discussions, please refer to the downloadable materials□

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Custom Couplings: Special Hose Couplings for Shipbuilding-Related Companies

Custom Couplings: Special Hose Couplings for Shipbuilding-Related Companies

This is a case study of special couplings and custom couplings from Nagahori Industry. We introduce custom couplings (joints) that can be manufactured even from a single prototype. 【Case Study】 - Open both ways (no valve) - A special mechanism that allows attachment and detachment by pulling the sleeve and rotating it, without using a ball. - Difficult to disengage even when pulled. ■ For more details, please contact us through the link below【Contact Us】■ □ For detailed specifications discussions, please refer to the downloadable materials□

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Special Coupling: Auto Coupling

Special Coupling: Auto Coupling

This is a coupling that allows for the simultaneous operation of multiple pipes with a single connection operation, enabling the flow of various fluids into the piping. 【Features】 - It can be operated, connected, and disconnected with cylinders such as hydraulic and pneumatic, making it compatible with automated lines. - It is equipped with automatic opening and closing valves in the socket and plug, ensuring no fluid leakage during disconnection. - By using CSPE type valves, the design minimizes pressure loss.

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Drip prevention! Non-drip coupling

A new non-drip coupling has been developed to minimize liquid dripping.

A new non-drip coupling has been developed to minimize liquid leakage. It significantly reduces the liquid spillage that occurred during attachment and detachment in conventional products, and it is equipped with a one-touch connection mechanism, improving work efficiency.

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Quick Coupling AL TYPE 20 Model [for Low Pressure] Single Valve

Supports various applications such as air piping and connections for air tools within the factory.

The Quick Coupling AL TYPE 20 (for low pressure) with a single valve offers a variety of shapes, sizes, and materials to match installation conditions and specifications. It is suitable for various applications, such as connecting air piping and air tools within factories. It also excels in the compatibility of sockets and plugs. For more details, please contact us or download the catalog.

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Quick Coupling AT TYPE [For Low Pressure] Single Valve

One-touch connection coupling that simply plugs in.

The quick coupling AT TYPE [for low pressure] single valve features a one-touch connection that only requires inserting the plug. There is no need to slide the sleeve, making the connection easy and the opening and closing smooth. The internal structure has been further improved, achieving a 15% increase in flow rate compared to AL TYPE 20. For more details, please contact us or download the catalog.

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Quick Coupling AL Super TYPE 10 Model [For Low Pressure] Single Valve

Excellent operability with extremely smooth socket and plug retraction.

The Quick Coupling AL Super 10 TYPE 10 model [for low pressure] features a single valve with a lightweight design and excellent operability, equipped with a one-touch connection automatic opening and closing valve! It is ideal for hand tool connections. For more details, please contact us or download the catalog.

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Quick Coupling TL TYPE [For Medium and Low Pressure] Valve-less

A groundbreaking through-type coupling without a dual-path open valve mechanism.

The Quick Coupling TL TYPE [for medium and low pressure] without a valve is a revolutionary through-type coupling with a dual open design and no valve mechanism. It allows for a large flow rate, minimal pressure loss, and is compatible with high-viscosity fluids. For more details, please contact us or download the catalog.

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Quick Coupling S・P TYPE [For Medium and Low Pressure] Double Valve

A coupling with automatic valves on both the socket and plug, designed for bidirectional opening and closing.

The Quick Coupling S・P TYPE [for medium and low pressure] with dual valves is a coupling type that features automatic valves on both the socket and the plug. The passage is blocked simultaneously upon separation, instantly shutting out fluid ejection, loss, and air contamination. For more details, please contact us or download the catalog.

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Quick coupling S·P-VTYPE for vacuum medium and low pressure dual valve

Demonstrates excellent vacuum resistance performance in production lines for coolers and refrigerators.

Quick Coupling S・P-V TYPE for Vacuum [Medium and Low Pressure] Dual Valve exhibits excellent vacuum resistance due to its automatic opening and closing valve with a high-precision airtight structure. There is no outflow in the piping during separation, ensuring stable quality across a wide range of applications, such as production lines for coolers and refrigerators. For more details, please contact us or download the catalog.

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Quick Coupling HP TYPE [For High Pressure] Double Valve

Ideal for hydraulic equipment piping, it excels in impact resistance and wear resistance.

Quick Coupling HP TYPE [for High Pressure] Dual Valve is perfect for hydraulic equipment piping! The main body is made of special steel that is resistant to vibration and impact. It has been heat-treated, providing excellent shock resistance and wear resistance. For more details, please contact us or download the catalog.

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Quick Coupling HY TYPE [For High Pressure] Double Valve

General-purpose hydraulic coupling with a maximum operating pressure of 20.5 MPa.

The Quick Coupling HY TYPE [for high pressure] dual valve is a popular type of hydraulic coupling. It is made of carbon steel with special heat treatment, providing excellent vibration resistance and shock resistance. For more details, please contact us or download the catalog.

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Quick Coupling KC TYPE [For Mold Cooling Water] Single Valve

Ideal for cooling water hose piping for molds, easy to use even in narrow mold spaces.

Quick Coupling KC TYPE [for Mold Cooling Water] Single Valve is perfect for hose piping for mold cooling water! The long sleeve design allows for easy operation even in tight mold spaces. For more details, please contact us or download the catalog.

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Incorrect connection prevention fittings - special - custom couplings

Prevent accidents caused by incorrect connections of different fluids! This joint eliminates human errors to zero.

This is a joint designed to prevent accidents caused by the incorrect connection of different fluids. ■ Coupling for preventing piping mistakes within the factory Traditionally, piping was set up using color coding, but we have taken a step further by innovating the shape to prevent coupling (connection). Shutting out accidents caused by the incorrect connection of different fluids!! Human errors will be eliminated. *For more details, please contact us.*

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High-precision, high-rigidity coupling "Quick Zero Setting Device"

More than twice the rigidity of conventional products! Achieve reduced processing costs and improved productivity with high precision and easy operation!

The "Quick Zero Setting Device" is a high-precision, high-rigidity coupling with ideal two-sided restraint achieved through polygon taper shank. 【Main Features】 <High Precision> Exhibits high bending rigidity and torsional rigidity! <High Rigidity> High repeat positioning accuracy. No need for centering work! <Quick Replacement> Easy operation that is suitable for any operator, significantly reducing setup time! ▼For more details, please refer to "Basic Information"!

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Steel brand wiring protection tube accessories SUS304

All products are delivered from one piece.

【Wiring Protection Tube Accessories: Types and Features】 ○ Couplings: Available in thin steel screw series and thick steel screw series ○ Normal Bends: Available in thin steel screw series and thick steel screw series ○ Lock Nuts: Available in thin steel screw series and thick steel screw series ○ Saddles: Available in thin steel screw series and thick steel screw series ● For more details, please contact us or download the catalog.

  • Steel
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  • Steel Structure System
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Atoms Coupling "Mechanical Pipe Joint" "Repair Clamp"

Confident in strength and workability. Easy installation with just one torque wrench!

The Atoms coupling is a mechanical pipe joint that excels in strength and workability, allowing for safe use with piping such as SGP, SUS, and those with similar outer diameters, while also being labor-saving and cost-effective. 【Features】 ■ Can be installed with just one torque wrench ■ Easy on-site installation ■ Lighter than flange connections ■ No secondary processing of piping required ■ Prefabrication is possible ■ Reduces total costs ■ Can be installed in small spaces ■ Can absorb angular misalignment ■ Shortens installation time

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Atoms Coupling "GR Type"

No secondary processing of piping required! Can be installed with just one torque wrench! For connecting various pressure piping.

Atom's coupling is a mechanical joint that excels in strength and workability, making it safe to use with piping such as SGP, SUS, and those with similar outer diameters, while also being labor-saving and cost-effective. The "GR type" is a connecting coupling suitable for piping connections in narrow spaces. It has excellent grip strength to prevent disconnection and can be installed with just one torque wrench. Additionally, there are products certified by the Japan Water Works Association and GR fire certification, as well as options with inner plates for connecting negative pressure piping. 【Features】 ■ No secondary processing of piping required ■ Can be installed with just one torque wrench ■ Ideal for piping connections in narrow spaces ■ Excellent grip strength to prevent disconnection *For more details, please refer to the PDF document or feel free to contact us.

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Atoms Coupling "GR Type (Firefighting Certified Product)"

Outstanding grip for preventing disconnection! Can be installed with just one torque wrench! For connecting fire extinguishing pipes.

The Atom's coupling is a mechanical joint that excels in strength and workability, making it safe to use with piping such as SGP, SUS, and those with similar outer diameters, while also being labor-saving and cost-effective. The 'GR type (fire protection certified)' is a connection coupling suitable for connecting fire protection piping (wet and dry systems). No secondary processing of the piping is required. It can be installed with just one torque wrench. 【Features】 ■ Certified by the Japan Fire Equipment Safety Center ■ No secondary processing of the piping is required ■ Can be installed with just one torque wrench ■ Ideal for connecting piping in narrow spaces ■ Excellent grip to prevent pipe disconnection *For more details, please refer to the PDF materials or feel free to contact us.

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Atoms Coupling "FX Type"

No secondary processing of piping required! Can be installed with just one torque wrench! For connecting drainage and ventilation pipes.

Atom's coupling is a mechanical joint that excels in strength and workability, making it safe to use with piping such as SGP, SUS, and those with similar outer diameters, while also being labor-saving and cost-effective. The "FX type" is a connecting coupling suitable for the connection of drainage and ventilation piping. Once the piping is secured, it can also be used for various pressure piping. There are also products certified by the Japan Water Works Association. 【Features】 - Can be used for various pressure piping once the piping is secured - No secondary processing of piping is required - Can be installed with just one torque wrench - Allows for piping connections in narrow spaces *For more details, please refer to the PDF materials or feel free to contact us.

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