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Coupling×長堀工業 - List of Manufacturers, Suppliers, Companies and Products

Coupling Product List

1～15 item / All 24 items

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Single-way open and close low-pressure quick coupling AL type (standard type)

Single-way open and close low-pressure quick coupling AL type (standard type)

Single Road Open/Close Type Low Pressure Quick Coupling AL Type (Standard Type)

Low-pressure, general-purpose quick couplings widely used for air piping and air tool connections within factories. 【Features】 - Various types available for both sockets and plugs, including hose and threaded types. - Main body materials: Steel (chrome-plated), brass (BSBM), stainless steel (SUS303, SUS304). - Mounting shapes: Male thread (F), female thread (M), hose nipple (H), with nut (A, B). - The 20 and 40 types have good compatibility between sockets and plugs, making them very convenient. - Major components made of steel are hardened for strong wear resistance. - The valve mechanism allows for automatic opening and closing through the detachment operation on the socket side only.

  • Pipe Fittings

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Medium and low pressure, dual path open quick coupling TL type

Medium and low pressure, dual path open quick coupling TL type

Medium and low pressure, dual path open quick coupling TL type

This is a through-type quick coupling that does not have a valve mechanism in either the socket or the plug. 【Features】 ■ Since it is a through-type, it has the largest flow rate and almost no flow resistance. ■ Due to low pressure loss, it is suitable for piping fittings for high-viscosity fluids, steam, and powders. ■ Depending on the connection target, there are options for male thread (M) connection, female thread (F) connection, and hose (H) connection, allowing for flexible combinations. ■ Both the socket and plug have no valve structure, so the fluid flows out to the outside. ■ Once set, the fluid is completely sealed with an O-ring. ■ There is no pressure loss, and the fluid flows smoothly through the coupling. 【For more details on the TL type coupling, please refer to the download.】

  • Pipe Fittings

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High-pressure, stainless steel double-acting quick coupling, SH type.

High-pressure, stainless steel double-acting quick coupling, SH type.

High-pressure stainless steel double-acting quick coupling, SH type.

This is a quick coupling with automatic valves on both the socket and plug, designed for two-way opening and closing. 【Features】 - Being a two-way opening and closing type, it ensures that both the socket and plug achieve a complete seal the moment they are separated. - The main body is made of corrosion-resistant stainless steel SUS304, making it ideal for use in harsh environments such as steelmaking and onboard ships. - It comes standard with a locking mechanism to prevent accidental disconnection due to vibrations or impacts. - 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. - To prevent leakage, a backup ring is used, and it is completely sealed with an O-ring. *Please use a dust cap when separating and leaving it unattended. 【For more details on the SH type coupling, please refer to the download.】

  • valve

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Medium and low pressure, dual-path open-close quick coupling S.P. type

Medium and low pressure, dual-path open-close quick coupling S.P. type

Medium and low pressure, dual path open/close quick coupling S.P type

This is a quick coupling with automatic valves on both the socket and plug, designed for dual-path opening and closing. 【Features】 ■ Since it is a dual-path opening and closing type, both the socket and plug achieve a complete seal the moment they are separated. ■ The passage opens simultaneously with the connection, and closes simultaneously with the separation, resulting in minimal fluid loss and air contamination. ■ There is a wide variety of materials available for the main body, and valves, packing, and O-rings should be used according to the type of fluid. ■ The valves of the socket and plug adhere instantly to the valve seat, stopping the flow of fluid. Therefore, there is no fluid leakage. ■ The valves of the socket and plug push against each other to open the passage, allowing fluid to flow. ■ The O-ring inside the socket seals completely, preventing any external leakage.

  • valve

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Custom Coupling: Mold Type Lever-Style One-Touch Coupling

Custom Coupling: Mold Type Lever-Style One-Touch Coupling

Custom Coupling: Mold Type Lever-Style One-Touch Coupling

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 cooling water of PET bottle molds - Main material: Brass (chrome-plated) - Seal material: NBR - Maximum operating pressure: 0.3 MPa ■ For more details or inquiries, please contact us via the link below ■ □ For detailed specifications discussions, please refer to the downloadable materials □

  • Pipe Fittings

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Custom coupling for high-pressure washers.

Custom coupling for high-pressure washers.

Custom coupling for high-pressure washers.

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 high-pressure washers and car wash machines - Main material: SUS303 - Seal material: NBR - Maximum operating pressure: 9.0MPa ■ For more details, please contact us through the link below【Contact Us】■ □ For detailed specifications discussions, please refer to the downloadable materials□

  • Pipe Fittings

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Custom Couplings for Shipbuilding-related Companies

Custom Couplings for Shipbuilding-related Companies

Custom Couplings for Shipbuilding-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】 - Made of SUS303 to prevent rust, which is likely to occur with iron. - Equipped with a locking mechanism. - Proven results with 23SH, 24SH, and 24SM. ■ For more details or inquiries, please contact us via the link below【Contact】■ □ For detailed specifications discussions, please refer to the downloadable materials□

  • Pipe Fittings

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High Flow & High Efficiency One-Touch Coupling CAF Series

High Flow & High Efficiency One-Touch Coupling CAF Series

High Flow, High Efficiency One-Touch Coupling CAF Series

High flow rate and high efficiency with a full-through structure! Safe and reliable, one-touch smooth connection with a one-touch coupling. ■□■ Features ■□■ ■ A full-through structure that dramatically reduces pressure loss and achieves high flow rates Innovating the design and calibration of parts with a newly developed internal structure Significantly reduces pressure loss = achieves high flow rates ■ Universal CAL plug and one-touch connection structure (CAF series) ■ A safe structure that smoothly purges residual pressure in the hose (CAFW series) Discharges residual pressure in the hose during disassembly, eliminating uncomfortable recoil and noise ■ Automatic locking mechanism without the need for slow part rotation (CAFW series) A new locking mechanism that improves work efficiency ■ For other functions and details, please download the catalog or contact us.

  • valve

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Quick Coupling SPECIAL

Quick Coupling SPECIAL

There are safety caps and items for high-pressure washers and car wash machines.

The Quick Coupling SPECIAL air high flow type features a full-through ball valve built-in, reducing pressure loss inside the coupling and achieving increased flow rate. For more details, please contact us or download the catalog.

  • Coupling

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Piping fittings, special, custom coupling

Piping fittings, special, custom coupling

We will meet various needs in factory piping!

We would like to introduce a custom coupling (joint) that can be manufactured even from a single prototype. 【Actual Use Cases】 ★ Hydraulic and rolling equipment piping in steel mills ★ Cooling water for waste incinerators ★ A special mechanism to eliminate the risk of inserting different shapes of couplings of the same size, preventing incorrect fluid supply (for various types of plants) ■ For more details, please contact us via the link below【Contact Us】■ □ For detailed specifications, please refer to the downloadable materials□

  • Coupling

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High-pressure washer piping fittings, special, custom couplings

High-pressure washer piping fittings, special, custom couplings

Pressure-resistant up to 15MPa! Introduction of a case study on a special custom fitting with a valve-less design.

We would like to introduce a custom coupling (joint) that can be manufactured even from a single prototype. The main material is stainless steel and it comes with a sleeve block. We have implemented measures to reduce the load on the plug. For more details or inquiries, please contact us using the link below. For detailed specifications, please refer to the downloadable materials.

  • Coupling

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Stainless steel quick coupling for medium and low pressure (SUS316)

Stainless steel quick coupling for medium and low pressure (SUS316)

Made of SUS316, it exhibits high resistance to pitting and excellent corrosion resistance against solutions containing chloride ions.

This is a two-way open (through) type quick coupling that does not have a valve mechanism in both the socket and plug. It has a large flow rate, low pressure loss, and can accommodate high-viscosity fluids. The main body is made of SUS316, which has excellent resistance to pitting corrosion and demonstrates superior corrosion resistance against solutions containing chloride ions. 【Four types of sockets and plugs to choose from】 Socket Stainless Steel (SUS316) Fitting SM (Male Thread Type) Socket Stainless Steel (SUS316) Fitting SF (Female Thread Type) Plug Stainless Steel (SUS316) Fitting PM (Male Thread Type) Plug Stainless Steel (SUS316) Fitting PF (Female Thread Type) *All products are made to order. ■ For details such as sizes, please refer to the catalog.

  • Coupling

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Dual path open/close high-pressure quick coupling H.P. type

Dual path open/close high-pressure quick coupling H.P. type

Dual path open/close 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 been heat-treated, providing excellent 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 thread (F) for both socket and plug only

  • Pipe Fittings

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

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

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

Equipped with a highly confidential automatic opening and closing valve Quick coupling suitable for medium and low pressure applications in a wide range of vacuum uses 【Features】 ○ Excellent vacuum resistance, ensuring that fluid within the piping does not leak externally even during separation Exceptional vacuum resistance (1x10-3 mmHg) ○ Compatible with production lines for coolers and refrigerators ○ Two types of main body materials: brass and stainless steel (SUS304) ○ Fluid 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.

  • Pipe Fittings

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Quick coupling (fitting) SPE type

Quick coupling (fitting) SPE type

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

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

  • valve

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