ドゥ・ヤマモト Product Lineup

Couplings, hose adapters, swivel joints, etc. With over half a century of experience, we select and provide products that meet our customers' needs using our extensive knowledge and know-how. In terms of hose adapters, we offer various materials for stainless steel adapters and can also accommodate the production of shapes that are not available on the market. Additionally, even for seemingly impossible short delivery times, please feel free to consult with us. 【Product Lineup】 ■ Couplings ■ Hose Adapters ■ Swivel Joints ■ Pipe Fittings ■ Hose Clamps *For more details, please download the PDF or feel free to contact us.

The "Coupling Catalog" is a catalog that introduces products such as couplings, air duster guns, and air hoses in a list format. It includes various products such as the hose attachment socket and hose attachment plug for the "BLY type general-purpose coupling," as well as the male thread attachment socket and female thread attachment socket for the "BLK one-push coupling." [Featured Products (Excerpt)] ■ BLY type general-purpose coupling ■ BLK one-push coupling ■ BLK-SA type sleeve guard one-push ■ BLK type one-push lock ■ BLY type coupling with flow adjustment *For more details, please refer to the PDF document or feel free to contact us.

"Whip Check" is a hose blow-off prevention wire manufactured by WHIPCHEK. In recent years, there have been frequent accidents caused by hose coupling failures in plant equipment construction, and various plant companies have made it mandatory to secure hoses together as a safety measure, rather than relying solely on the couplings. This product allows for easy attachment and detachment without the use of tools by securing hoses connected at the couplings with wire. We also offer types that secure hoses to machines, such as compressor nozzles. [Product Lineup] ■ Hose to Hose ■ Hose to Machine * This product is the only one manufactured by WHIPCHEK that has obtained a unique patent. Please be cautious of similar products. * For more details, please refer to the PDF document or feel free to contact us.

The "Dry Disconnect Coupling" allows for secure connections with just a 45-degree turn, without the need for special tools, making it a highly reliable product for the transportation of LNG and cryogenic gases. All materials used are premium grade, suitable for cryogenic temperatures. Additionally, maintenance and replacement of sealing consumables can be done easily. 【Features】 ■ Can be manufactured without welding ■ Designed to withstand harsh environments, ensuring safe use ■ Enables easy and safe connections for loading and unloading ■ Enhances the safety and efficiency of workers ■ Built-in valve automatically opens and closes to protect workers from hazardous fluids *For more details, please refer to the PDF document or feel free to contact us.

The "Dry Disconnect Coupling" allows for a secure connection with just a 45-degree turn, without the need for special tools, making it a highly reliable product for the transportation of LNG and cryogenic gases. All materials used are premium grade, suitable for cryogenic temperatures. Additionally, maintenance and the replacement of seal consumables can be done easily. 【Features】 ■ Can be manufactured without welding ■ Designed to withstand harsh environments, ensuring safe use ■ Enables easy and safe connection for loading and unloading ■ Improves worker safety and efficiency ■ Built-in valve automatically opens and closes to protect workers from hazardous fluids *For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce the WHIPCHEK wire from WHIPCHEK Inc. (U.S.), handled by Du Yamamoto Co., Ltd. This product allows for easy attachment and detachment of hoses connected by fittings without the use of tools, by securing them with wire. Additionally, we also offer types that bind hoses to machines, such as nozzles for compressors. 【Features】 ■ Easy attachment and detachment without tools ■ Types available for binding hoses to machines ■ Maximum operating pressure of 200 PSI *For more details, please download the PDF or feel free to contact us.

The "BI Coupler" is a fitting that allows for easy attachment and detachment of hydraulic and pneumatic piping, just like an electrical outlet. This enables the use of multiple attachments from a single pressure source and allows for the disassembly and assembly of large machinery. 【Features of the "BI Coupler"】 - One-touch attachment and detachment: Piping can be attached and detached with one touch, without the need for tools. - Labor-saving: It can be easily attached and detached even in tight spaces, contributing to labor savings. - Extensive lineup: We offer a wide range of series tailored to various applications, from the general high-pressure "EA, AA, MA, ED series" to the "EP series" with a residual pressure release mechanism, and the ultra-high pressure "JA series." *For more details, please download the PDF or feel free to contact us.

A "swivel joint" is a fitting used in piping sections where the swinging or rotation of high-pressure hoses is required. It prevents hose twisting and suppresses hose damage and deterioration, maintaining stable hose piping. 【Features of the "Swivel Joint"】 Prevention of hose twisting: It prevents hose twisting when not under pressure, extending the hose's lifespan. Compatible with various rotation types: There are three types: "JL type," which rotates 90° relative to a fixed axis; "JB type," which rotates parallel; and "JR type," which rotates on the same axis. You can select the optimal type according to your application. 【Usage Precautions】 Rotation under pressure is strictly prohibited: Rotating while pressurized can damage the connection and may cause the body and nose to separate, which is dangerous. Compliance with torque: Always adhere to the proper tightening torque when using. Confirmation of application: This product is developed for piping in hydraulic equipment using mineral-based hydraulic oil as the fluid. If used for other applications, please be sure to check the specifications.

Are you having trouble connecting adapters or hoses for overseas machines? We have started handling adapters that enable conversion from ISO BSPP ports to JIS O-ring ports. 【Features】 - No sealing tape required due to O-ring specification - Easy direction adjustment even with elbows - Flexible size changes by combining adapters of different diameters - Maintenance is easy if you can connect domestic manufacturer hoses - Possible reduction in running costs Sizes available are G1/4, G3/8, G1/2, G3/4, G1, G1-1/4, and G1-1/2.

Accidents involving high-pressure hoses at construction sites, such as disconnections or bursts, carry an extremely high risk that can directly lead to fatalities or serious injuries if they occur. A whip check is a safety device that keeps the hose secured in place in the event of a connection failure or rupture. It can be quickly attached, ensuring that safety measures are in place. 【Usage Scenarios】 * Plant equipment construction * Civil engineering work * Demolition work 【Benefits of Implementation】 * Ensuring worker safety * Reducing the risk of equipment damage * Preventing work interruptions

In manufacturing process management, the breakage of high-pressure hose fittings poses a significant risk that can threaten production line stoppage and worker safety. Particularly in plant facilities and manufacturing lines where high-pressure hoses are frequently used, safety management is extremely important. WHIPCHEK prevents hose blow-off accidents caused by fitting breakage and provides a safe working environment. This allows process managers to balance maintaining production efficiency with ensuring worker safety. 【Usage Scenarios】 * Pipe management in plant facilities * Safety measures for high-pressure hoses in manufacturing lines * Accident prevention in processes handling hazardous materials 【Benefits of Implementation】 * Ensuring worker safety * Reducing the risk of production line stoppage * Mitigating the risk of equipment damage

In the shipbuilding industry, ensuring a safe working environment and producing high-quality products are essential. The rupture of high-pressure hose fittings not only threatens the safety of workers but can also cause equipment damage and work interruptions, potentially leading to a decline in quality. WHIPCHEK helps mitigate the risk of hose blow-off due to fitting rupture, creating a safe working environment. This protects worker safety, prevents equipment damage, and supports the production of high-quality products. 【Usage Scenarios】 - Welding operations - Painting operations - Use of hydraulic equipment - High-pressure cleaning operations 【Benefits of Implementation】 - Ensuring worker safety - Reducing the risk of equipment damage - Shortening work interruption times - Stabilizing product quality

In the mining industry, the operation of heavy machinery affects productivity, and ensuring a safe working environment is essential. The rupture of high-pressure hoses can lead to worker injuries and equipment damage, potentially resulting in losses due to operational downtime. WHIPCHEK helps prevent hose blow-off accidents caused by the rupture of hose fittings, contributing to the safety and productivity of mining sites. Please consider implementing WHIPCHEK as a safety measure that does not rely solely on fittings. 【Usage Scenarios】 * Excavation work in mines * Equipment operation in processing plants * Operation of heavy machinery (hydraulic excavators, bulldozers, etc.) 【Benefits of Implementation】 * Ensuring worker safety * Reducing the risk of equipment damage * Avoiding losses due to operational downtime

This is a safety measure for agricultural machinery maintenance, such as large tractors, and for air-driven equipment in livestock barns and greenhouses. When an air hose suddenly breaks due to aging or other factors, it prevents the hose from flailing like a whip, which could injure people or damage important agricultural tools and facilities. It can be easily installed without tools, allowing anyone to enhance safety on-site effortlessly. 【Usage Scenarios】 - Agricultural machinery such as tractors and combines - High-pressure washers - Pesticide sprayers 【Benefits of Implementation】 - Reduces work interruptions and improves work efficiency - Lowers the risk of personal injury - Prevents equipment damage and reduces repair costs

This is a safety tool designed for forestry and wood processing sites where air tools are used in tough environments, such as log processing, lumber cutting, and heavy machinery maintenance. Even if the hose gets caught on the wood and the joint unexpectedly comes off, this product effectively stops the hose from flailing. It ensures the safety of workers in unstable outdoor conditions or confined spaces. 【Usage Scenarios】 * Forestry machinery (chainsaws, hydraulic excavators, etc.) * Any work using high-pressure hoses * Work in mountainous areas and forest regions 【Benefits of Implementation】 * Ensures worker safety * Prevents damage to machinery due to accidents * Minimizes work interruptions

This is a hose safety measure product that is ideal for oil plants and refineries, where high safety standards and explosion resistance are required. By attaching it to the connection points of large compressors and high-pressure air lines, it effectively suppresses the severe whipping phenomenon that occurs during hose rupture. It supports the safety of workers and the stable operation of the plant from the ground up in harsh outdoor environments and 24-hour operational sites. 【Usage Scenarios】 - Oil refining plants - Petrochemical plants - Crude oil transportation pipelines - Tankers 【Benefits of Implementation】 - Reduction of operational shutdown risks due to leakage accidents - Reduction of environmental pollution risks - Ensuring worker safety - Reduction of equipment damage risks

This is a safety measure to ensure the safety around high-pressure air and gas piping at gas manufacturing, filling, and supply sites. In the event of a joint disconnection or hose rupture, the spring and wire instantly suppress the violent movement of the hose caused by ultra-high pressure. It is recommended as a safety measure to ensure the safety of workers and to prevent secondary damage (such as sparks or breakage due to impact) to gas piping and surrounding precision equipment. 【Usage Scenarios】 - Gas plants - Gas supply stations - Gas-related construction sites - Any other sites using high-pressure gas 【Benefits of Implementation】 - Reduces the risk of explosion accidents - Ensures the safety of workers - Prevents equipment damage - Complies with legal requirements

In high-pressure and harsh environments such as chemical plants, the rupture of air hoses poses a significant risk of serious workplace accidents and equipment damage. 'WHIPCHEK' firmly holds the energy when a hose disconnects, preventing the violent behavior of the hose striking and damaging the surroundings. It is an effective safety measure (safety belt) that is ideal for regular maintenance and improving plant safety standards. 【Usage Scenarios】 * High-pressure hose usage in chemical plants * Piping that handles hazardous substances * Areas with strict environmental regulations 【Benefits of Implementation】 * Reduction of environmental pollution risks due to chemical leaks * Ensuring worker safety * Protection of plant equipment * Enhancement of corporate image

This is a safety measure product for food factories where air is frequently used as a driving source for sanitary cleaning and foreign object removal. In the event that a hose becomes disconnected or ruptured due to aging or high pressure, this product instantly suppresses the violent whipping motion of the hose. It not only prevents injuries to workers but also protects surrounding food production lines and packaging materials from contact and damage, supporting safe operations in the factory. 【Usage Scenarios】 - Food production lines - Filling equipment - Cleaning equipment 【Benefits of Implementation】 - Reduced risk of foreign object contamination - Improved product quality - Enhanced corporate reliability

In the manufacturing of medical devices and pharmaceutical plant production lines, sudden rupture or disconnection of high-pressure air hoses directly leads to line stoppages and equipment damage. By installing 'WHIPCHEK', the violent thrashing of hoses can be reliably prevented, protecting precision manufacturing equipment. This contributes to maintaining a safe and clean working environment and preventing production losses due to unexpected troubles. 【Usage Scenarios】 - Operating rooms - Examination rooms - Sterilization rooms - Medical device maintenance 【Benefits of Implementation】 - Ensuring the safety of medical personnel - Reducing the risk of damage to medical devices - Preventing work interruptions - Cost reduction

In aircraft manufacturing and maintenance facilities, high-pressure air tools and equipment are essential, but the "whip effect" caused by hose disconnection poses a significant threat. 'WHIPCHEK' instantly restrains the hose in the event of a rupture, ensuring the safety of workers. It also prevents the risk of collision and damage to expensive aircraft and surrounding equipment, making it an essential item that meets safety standards in the aviation industry. 【Usage Scenarios】 * Aircraft maintenance facilities * Airport ground support vehicles * Aircraft manufacturing lines 【Benefits of Implementation】 * Reduction of accident risks due to high-pressure hose ruptures * Ensuring worker safety * Mitigation of the risk of aircraft operation stoppage