長堀工業 List of Products and Services

This product is a valve for medium and low pressure with a maximum operating pressure of 3.5 MPa. Thanks to its unique sealing method (PAT.), it reduces liquid leakage by approximately 99.7% compared to the CSPE type. Additionally, it achieves low pressure loss and high flow rates that are equal to or better than the CSPE type, allowing for easy connection by simply pushing it in without pulling the sleeve. 【Features】 ■ For medium and low pressure ■ Maximum operating pressure of 3.5 MPa ■ Reduces liquid leakage by approximately 99.7% compared to the CSPE type ■ Achieves low pressure loss and high flow rates equal to or better than the CSPE type ■ Allows for easy connection by simply pushing it in without pulling the sleeve *For more details, please refer to the PDF document or feel free to contact us.

• Piping materials (copper pipes, cast iron pipes)

This is a two-way open (through) type quick coupling that does not have a valve mechanism for both the socket and the 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.

• Fittings

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.*

• Fittings

Instantly inactivates general bacteria and viruses! The disinfecting and deodorizing liquid "SABRE Z" breaks down the source of odors instantly with its rapid deodorizing power. Simply spray it directly on areas of concern for easy deodorization! Not only does it have deodorizing capabilities, but it also disinfects various viruses and bacteria instantly. It can be used safely and securely in a variety of settings without restriction. 【Features】 ○ Gentle on people and nature ○ One solution for bothersome odors ○ Can be used for space spraying ○ Breaks down bad odors at the source ○ Instantly disinfects general bacteria and viruses For more details, please contact us or download the catalog.

• Kitchen appliances

We reviewed the structure that sealed while crushing the packing with a newly designed parts configuration, successfully reducing damage to the packing. ◆ For details, please refer to the catalog available for download ◆ 【Product Details】 ■ High flow rate and economical! Dramatically contributes to production efficiency ★ Efficient high flow rate → Achieved a maximum flow rate of 200% compared to our products (comparison of CSPE06 to CSP06) ■ Improved cooling efficiency for injection molding ■ Contributes to energy saving of equipment for maximum effect with minimal energy ■ Revolutionary reduction of resistance loss. An evolved joint that has mastered fluid analysis of the internal structure - Grasped the resistance generation situation of each component and implemented loss reduction measures ■ Dramatically improved alignment performance through seal method enhancement - Transitioned the sealing method from pressure sealing to shaft sealing.

• Piping and electrical wiring materials

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 details and inquiries, please contact us using the link below【Contact】■ □ For detailed specifications, please refer to the downloadable materials □

• others

This is a fitting that contributes to energy conservation in equipment for maximum effect with minimal energy. It smoothly accommodates piping for air, pure water, lubricating oil, and more! It is a fitting that dramatically improves work efficiency. ◎Features◎ The various plant fittings (Quick Coupling CSPE Series) have successfully achieved large flow rates through fluid analysis simulations, significantly enhancing flow performance. This reduces the time for fluid transfer and contributes to increased productivity. ● Understanding the resistance generation situation of each component and implementing loss reduction measures. ● Newly designed components to achieve large flow rates. ● Improved sealing method, successfully enhancing sealing performance (reducing damage) and dramatically increasing durability.

• Piping and electrical wiring materials

We have reviewed the structure that sealed while crushing the packing with a newly designed parts configuration, successfully reducing damage to the packing. *For details, please refer to the catalog download.

• Piping and electrical wiring materials

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

• others

Contributing to energy conservation in equipment for maximum effect with minimal energy. Smoothly accommodating piping for air, pure water, lubricants, etc. Dramatically improving work efficiency. ◎Features◎ The various plant fittings (Quick Coupling CSPE Series) have successfully achieved large flow rates through fluid analysis simulation, significantly enhancing flow performance. This realizes a reduction in fluid transfer time and contributes to increased productivity. ● Understanding the resistance generation situation of each component and implementing loss reduction measures. ● Newly designing components to achieve large flow rates. ● Improving the sealing method, successfully enhancing sealing performance (reducing damage) and dramatically increasing durability.

• Piping and electrical wiring materials

This is a next-generation, sodium hypochlorite-based disinfectant and deodorizer that is gentle on both people and nature, without mixing in acids or other substances. Its greatest feature is the ability to be sprayed in the air! It demonstrates its effectiveness in various settings such as medical, public, and food-related environments. 【Features】 - Powerful instant disinfection It can eliminate over 99.9% of influenza, norovirus, coronavirus, parvovirus, and more in just a few seconds. - Decomposes and eliminates odors It breaks down the odor-causing components themselves, allowing for long-lasting deodorization rather than just temporary masking. - Safety Manufactured using sodium hypochlorite, which is classified as a food additive by the Ministry of Health. It is safe even if ingested.

• others

★★★ Free Sample of Stainless Steel Coated Bits ★★★ We are currently running a product sample giveaway campaign! Feel free to apply. <How to Apply> Please specify your desire for the giveaway in the remarks section of the "Contact Us" form. In the event of a large number of applicants, we will announce the winners through a lottery. These high-performance bits, treated with a surface coating made from powdered stainless steel, enhance rust resistance even in high-humidity screw tightening environments. Additionally, our unique wing tip design significantly improves tightening torque accuracy and durability, even under high torque load conditions such as with tapping screws.

• Work tools

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

• Fittings

To ensure the longevity of the quick coupling, we recommend using a dust cover. The SH TYPE comes standard with both socket and plug. For more details, please contact us or download the catalog.

• others

The Quick Coupling CH TYPE polyurethane coil tube is ultra-lightweight, highly flexible, and has more than ten times the abrasion resistance of rubber hoses. It demonstrates excellent workability with a small bending radius. For more details, please contact us or download the catalog.

• Fittings

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.

• Fittings

The SH TYPE quick coupling for high pressure, with both socket and plug equipped with automatic opening and closing valves, ensures that the valves close upon separation, preventing fluid leakage and achieving complete sealing! It is ideal for use in harsh environments such as steelmaking and onboard ships. For more details, please contact us or download the catalog.

• Fittings

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.

• Fittings

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.

• Fittings

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.

• Fittings

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.

• Fittings

The Quick Coupling SPE TYPE high flow model [for medium and low pressure] with dual valves has achieved energy savings and high efficiency through a newly designed parts configuration. By reducing flow loss, it meets the needs of various work sites. For more details, please contact us or download the catalog.

• Fittings

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.

• Fittings

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.

• Fittings

The Quick Coupling Multi-Connection [Straight L-Type, Rotary Type] allows you to extract multiple branch air lines from a single pipe, and it is perfectly compatible with the AL type! The body can flexibly accommodate branching, and the rotary type, which prevents hose twisting, is also recommended. For more details, please contact us or download the catalog.

• Fittings

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.

• Fittings

The Quick Coupling AL TYPE 40 (for low pressure) single valve is a coupling that scales up in size while utilizing the functionality of the AL TYPE 20. It accommodates a wide variety of installation shapes, sizes, and material variations to meet the diverse applications of piping and pneumatic tools. For more details, please contact us or download the catalog.

• Fittings

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.

• Fittings

By reducing flow loss, we will meet the needs of various sites.

• others

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.

• others

Single-sided cross

• Work tools

Hex socket bolts and hex socket set screws for tightening

• Work tools

Narrow area tightening, used in places where the standard bit tip cannot reach. Inner diameter of the tip Φ3.

• Work tools

Double-ended bit for aluminum sashes

• Aluminum sash

Narrow area tightening, used in places where the standard bit tip cannot reach. Tip inner diameter Φ4.5.

• Work tools

Double cross

• Work tools

Double-ended type for tapping screws

• Work tools

Hexagon socket bolts and hexagon socket set screws for tightening

• Work tools

Narrow area tightening, used in places where the standard bit tip cannot reach. Inner diameter of the tip is 4Φ.

• Work tools

Hexagon socket bolts and hexagon socket set screws for tightening.

• Work tools

Double-headed bit for aluminum sash (flat screw)

• Aluminum sash

Double cross

• Work tools

One-sided cross

• Work tools

Double cross

• Work tools

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 □

• Fittings