ドゥ・ヤマモト List of Products and Services

"Mantex" is a lightweight hose with a single cover manufactured by Mandarus, primarily used for compressed air. This hose is made from a mixture of nitrile rubber and PVC, with added UV barrier to avoid damage from ultraviolet rays. The rubber mixture is molded through a cover bound in a circular shape made from high-strength fibrous polyester yarn, ensuring it does not stretch when pulled and has very high pressure resistance compared to its wall thickness. 【Features】 ■ Lightweight, durable, and long-lasting ■ Uses a rubber mixture with added UV barrier to avoid ultraviolet damage ■ High pressure resistance ■ Safe for use in environments ranging from -30 to +75°C ■ Standard lengths: 30m and 60m (can be manufactured up to a maximum of 200m) *For more details, please refer to the PDF document or feel free to contact us.

The "Jumbo Ace Series" is a large-diameter high-pressure hose that achieves improved lifespan and fatigue resistance. It showcases the results of thorough material research, maintaining high flexibility and excellent durability, and has achieved a maximum length of 40 meters to meet the needs of large hydraulic systems. Fully utilizing the power of large-diameter high-pressure hoses allows for compact piping, reducing weight by approximately two-thirds. 【Features】 ■ Maintains high flexibility and excellent durability ■ Large-diameter high-pressure hose that realizes improved lifespan and fatigue resistance ■ Maximum length of 40m, expanding the range of use ■ Compact and lightweight design significantly improves work efficiency ■ Reduces weight by approximately two-thirds *For more details, please refer to the PDF document or feel free to contact us.

We provide high-pressure hoses with reliable technology and quality, utilizing our extensive crimping know-how. We handle over 5,000 types of industrial hoses, both domestically and internationally, with a stock of more than 100,000 meters! We can offer a wide range of products. 【Features】 ■ Use of crimping machines up to 5 inches (125A JIS20K flange) ■ All workers hold BS qualifications ■ Support for custom orders and development *For more details, please download the PDF or feel free to contact us.

The "Chemicoil 600/1200" is a high-pressure fuel transport hose manufactured by ANGUS, designed for the efficient delivery of fuel and chemicals. It is lightweight and compact, making it easy to store, and when used with lightweight trucks or electric reels, it allows for the rapid deployment and retrieval of hoses extended over long distances. Additionally, its special jacket structure causes the hose diameter to expand significantly under pressure, reducing the risk of pressure loss and enabling long-distance delivery. 【Features】 - Lightweight and compact for easy storage and transport - Quick deployment and retrieval using lightweight trucks - Excellent water delivery capability due to the special jacket structure - Long service life with maintenance-free operation - Equipped with static discharge wire - Lightweight coupling *For more details, please refer to the PDF document or feel free to contact us.

The "Mantex HP" is a high-pressure type compressed air hose with double covering, manufactured by Mandals, intended for more demanding applications of compressed air. It is formed from two layers woven in a circular shape using high-strength fiber polyester yarn. It provides puncture resistance due to its very high burst performance and high abrasion resistance, and is equipped with inner and outer covers made of thermoplastic polyurethane that have oil resistance. 【Features】 ■ Double covering for high pressure type ■ Formed from two layers of high-strength fiber polyester yarn ■ Comes with inner and outer covers made of thermoplastic polyurethane ■ Safe to use in temperature environments ranging from -50 to +100°C ■ Standard lengths: 20m and 40m *For more details, please refer to the PDF document or feel free to contact us.

The "Drag Master" is an industrial water transport hose manufactured by ANGUS, designed to handle all types of water transport and drainage, including industrial water and drilling water discharge. It is lightweight and compact, eliminating the need for large transport vehicles or heavy machinery. Additionally, with a maximum length of 200 meters, it reduces hose connection work and allows for long-distance installation and retrieval. Using ANGUS's unique "Through the Weave" manufacturing method, the hose is covered with a high-strength polyester jacket and a durable, elastic polyurethane resin, which allows the hose diameter to expand under pressure, minimizing pressure loss. 【Features】 - Lightweight and compact, enabling quick installation and retrieval - Long lifespan with maintenance-free operation - Excellent water transport capability due to ANGUS's unique "Through the Weave" manufacturing method - Compatible with various types of coupling fittings and manifolds *For more details, please refer to the PDF document or feel free to contact us.

"Ultraman Hose" is a very durable and versatile industrial hose manufactured by Mandals for use in abrasive environments. It uses extruded thermoplastic polyurethane (TPU) with high abrasion resistance, and the reinforcement layer is made of circular filament polyester yarn. It has high resistance to commonly used chemicals and excellent resistance to ultraviolet rays, hydrolysis, and fungal degradation. The TPU cover has outstanding abrasion resistance and can withstand use in rugged terrain. 【Features】 ■ Extremely durable even in abrasive environments ■ High resistance to commonly used chemicals ■ TPU cover has excellent abrasion resistance ■ High tensile strength and kink resistance with filament polyester reinforcement ■ Usable in a temperature range of -50°C to +75°C (maximum +80°C) *For more details, please refer to the PDF document or feel free to contact us.

The "Paskalart Series" is a rubber hose for mineral-based hydraulic oil. It emphasizes lifespan and fatigue resistance, and its small bending radius allows for compact hydraulic piping. The inner tube is made of oil-resistant synthetic rubber, while the outer layer is made of weather-resistant synthetic rubber and wear-resistant weather-resistant synthetic rubber, offering a lineup of 9 ranks for pump rated pressures from 1.5 to 35.0 MPa. 【Features】 ■ Emphasis on lifespan and fatigue resistance ■ Compact hydraulic piping possible with a small bending radius ■ Product system corresponding to pump rated pressure *For more details, please refer to the PDF document or feel free to contact us.

The "Primo Line Series" is a super high-pressure hose developed for water jet applications, jack fields, and high-pressure cleaning. The "JAT/JAM Series" features ultra-high-pressure specifications with a minimum burst pressure of JAT 650 MPa and JAM 490 to 588 MPa. Additionally, we offer the lightweight and flexible "JAL Series" for excellent workability, as well as the "JAK/JKY Series," which demonstrates flexibility with its unique reinforcement structure. 【Product Lineup】 ■ Water jet use "JAT/JAM Series" ■ Jack and high-pressure cleaning "JAL Series" ■ Jack field applications "JAK/JKY Series" *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.

We handle a variety of "high-pressure hoses" from various manufacturers, ranging from general industrial use to high-spec models. We have our own factory in Japan. We offer the installation of fittings using advanced technology and can accommodate custom orders starting from just one piece. We can also propose hoses from both domestic and international sources according to your needs, such as purpose and usage conditions, achieving cost reduction. 【Features】 ■ A wide lineup of products from domestic and international manufacturers, including Bridgestone, Eaton, and Mandals. ■ Immediate production and shipping available for in-stock items. ■ Support for domestic assembly pressure testing. *You can view the product materials for our offerings from the 【Download】 section. Currently, we are giving away samples of "Eaton hoses (10m)" to 10 lucky winners through a lottery! *If you would like a sample, please apply through the 【Contact Us】 section. We will contact the winners and inquire about specifications such as fluid, pressure, and temperature at that time.

"Stop Flex" is a safety wire designed to prevent high-pressure hoses connected to machinery from flailing when they detach from the coupling. It reduces the risk of detached hoses making forceful contact with people or equipment, and minimizes the risk of burns from splattered high-temperature hydraulic oil. This product contributes to preventing machine failures and enhancing worker safety. It is recommended for installation on hoses for compressors and vibrating breakers. 【Features】 - Prevents injuries and accidents caused by hose detachment - Simple structure allows for easy installation - Ensures safety up to 45 MPa - Can be attached to hoses with an outer diameter of up to 95 mm *For more details, please request documentation or view the PDF data available for download.

We handle high-quality "Dolphin Flex Composite LPG Hose." It can be used for the transportation of LPG, as well as ammonia, acetaldehyde, polyvinyl chloride, refrigerant gases, liquefied ethylene at -88°C, and ethylene at -105°C. The maximum elongation rate is 10%, and the minimum burst pressure is five times the maximum working pressure, with internal and external wires made of SS316 (equivalent to SUS316). 【Structure】 ■ Internal wire: SS316 (equivalent to SUS316) ■ Outer skin: White polyamide ■ Lining: Polyamide fiber ■ External wire: SS316 (equivalent to SUS316) *For more details, please refer to the PDF document or feel free to contact us. For Ship To Ship bunkering, please refer to the Dolphin Flex Composite LPG STS Hose separately.

Our company handles high-quality "Dolphin Flex LNG/LNG STS." It is a composite LNG hose used for liquid nitrogen at ultra-low temperatures of -196°C and liquefied natural gas (LNG). "LNG STS" is specifically designed for the transportation of LNG from ship to ship, while "LNG" is used for loading and unloading from ships to land and plants. The maximum elongation rate is 10%, and it can operate within a temperature range of -196°C to +50°C. The minimum burst pressure is five times the maximum operating pressure. 【Structure】 ■ Internal wire: SS316 (equivalent to SUS316) ■ Outer skin: White polyamide ■ Lining: Polyamide fiber ■ External wire: SS316 (equivalent to SUS316) *For more details, please refer to the PDF document or feel free to contact us.

The "Chemicoil 600/1200" is a high-pressure fuel transport hose manufactured by ANGUS, designed for the efficient delivery of fuels and chemicals. It is lightweight and compact, making it easy to store, and when used with lightweight trucks or electric reelers, it allows for the rapid deployment and retrieval of hoses extended over long distances. Additionally, its special jacket structure causes the hose diameter to expand significantly under pressure, reducing the risk of pressure loss and enabling fluid delivery over long distances. 【Features】 - Lightweight and compact for easy storage and transport - Quick deployment and retrieval using lightweight trucks - Excellent water delivery capability due to the special jacket structure - Long lifespan with maintenance-free operation - Equipped with static discharge wire - Lightweight coupling *For more details, please refer to the PDF document or feel free to contact us.*

"Mantex" is a lightweight hose with a single cover manufactured by Mandals, primarily used for compressed air. This hose is made from a mixture of nitrile rubber and PVC, with added UV barrier to avoid damage from ultraviolet rays. The rubber mixture is molded through a cover that is bound in a circular shape made from high-strength fibrous polyester yarn, ensuring that it does not stretch when pulled and has very high pressure resistance compared to its wall thickness. 【Features】 ■ Lightweight, durable, and long-lasting ■ Uses a rubber mixture with added UV barrier to avoid ultraviolet damage ■ High pressure resistance ■ Safe to use in environments ranging from -30 to +75°C ■ Standard lengths: 30m and 60m (can be manufactured up to a maximum of 200m) *For more details, please refer to the PDF document or feel free to contact us.

It uses a flexible polyester jacket with a unique weaving technology that provides high pressure resistance. When not in use, it flattens and becomes compact, saving storage space. It can accommodate lengths of up to 200 meters, making it suitable for long-distance transport. This is a maintenance-free hose designed for long-term use in harsh environments. Its weight is about 1/4 that of a rubber hose (per meter), reducing the burden of carrying it.

The Eaton hose "Aeroquip (AQP) Series" is excellent in heat resistance, chemical resistance, and durability, capable of handling a variety of liquids and gases, including petroleum-based hydraulic fluids, gasoline, water, and air, all with a single hose. It has passed over one million impulse tests, with a maximum operating temperature of 150°C for both internal fluid and external ambient temperature, making it suitable for hydraulic equipment with a tendency to heat up and piping in areas with high surrounding temperatures. AQP hoses are resistant to oxidation, ozone, and various substances present in the air and industrial facilities.

The "Epoch Series" is a heat-resistant hose designed for mineral-based hydraulic oil, with a wear-resistant specification for use at 120°C. It emphasizes lifespan and fatigue resistance, and can be used at a heat resistance of 120°C. Additionally, its small bend radius allows for compact hydraulic piping. Its flexible structure helps speed up piping work. We offer a range of six grades corresponding to pump rated pressures from 17.0 to 35.0 MPa. 【Features】 ■ Usable at 120°C ■ Focus on lifespan and fatigue resistance ■ Capable of small bend radii ■ Flexible structure speeds up piping work ■ A product lineup that corresponds to pump rated pressures *For more details, please refer to the PDF materials or feel free to contact us.

The Eaton AQP series hose is excellent in heat resistance, chemical resistance, and durability, capable of handling a variety of liquids and gases including petroleum-based hydraulic fluids, gasoline, water, and air with just one hose. It has passed over one million impulse tests, with a maximum operating temperature of 150°C for both internal fluid and external ambient temperatures, making it suitable for hydraulic equipment with a tendency to increase in temperature and piping in areas with high surrounding temperatures. The AQP hose is resistant to oxidation, ozone, and various substances present in the air and industrial facilities.

The "Paste Line Series" is a resin hose for mineral-based hydraulic oil. It is lighter than rubber hoses and has a smaller bending radius, allowing for more compact piping. Additionally, we offer products tailored for various applications, such as "industrial machinery" for mineral-based hydraulic oil, "paint spray (airless)" for organic solvents and paints, and "cleaning" for water. 【Features】 ■ Compact piping with a small bending radius ■ Series available for various applications in different fields ■ Lighter than rubber hoses ■ Self-fit available only for SPL and KF *For more details, please refer to the PDF materials or feel free to contact us.

The "Air Water Hose" (Air Water Hose) is a lightweight and flexible rubber hose manufactured by Bridgestone, making it easy to handle. We offer a wide range of products that can be used for various purposes, including the air-specific "PA03-DA" air hose, the "Suction and Drain Hose" which can be used for both dynamic spraying and suction, and the "Water Hose" for general water delivery. 【Features】 ■ A rich lineup that can be widely utilized for various purposes ■ Lightweight and highly flexible, making it easy to handle ■ Recommended outer diameter of core fittings: inner diameter value +0.5 to 1.0 mm *For more details, please refer to the PDF document or feel free to contact us.

The "RT Series" is a wear-resistant rubber hose compatible with water-glycol, water, high-water-content, and mineral-based hydraulic oils. The outer layer of the hose is coated with ultra-high molecular weight polyethylene, providing excellent wear resistance and protection against external liquid exposure. It is suitable for piping that is prone to abrasion, such as cable carriers and roll coolant applications. The product lineup includes three grades for pump rated pressures from 7.0 to 28.0 MPa. 【Features】 - Excellent wear resistance and protection against external liquid exposure due to the ultra-high molecular weight PE coating. - Compatible with water-glycol. - No concerns about friction even in complex piping. - In wear resistance tests, the weight reduction was 0.000g. *Based on the old ISO 6945 wear test with 2000 wear cycles. - A product system that corresponds to the rated pressure of the pump is available. *For more details, please refer to the PDF document or feel free to contact us.

The "PASCALART-f Series" is a rubber hose designed for mineral-based hydraulic fluids. It emphasizes lifespan and fatigue resistance, and its small bending radius allows for compact hydraulic piping. By slimming down the outer diameter based on the specifications of PASCALART, it achieves improved flexibility and minimum bending radius! The inner tube is made of oil-resistant synthetic rubber, and the outer cover is made of wear-resistant and weather-resistant synthetic rubber, with eight ranks available for pump rated pressures from 3.0 to 35.0 MPa. 【Features】 ■ Achieves improved flexibility and minimum bending radius through slimming ■ Further lightweight design ■ Focus on lifespan and fatigue resistance ■ Enables compact hydraulic piping with a small bending radius ■ Product lineup corresponding to pump rated pressures *For more details, please refer to the PDF document or feel free to contact us.

The "RX Series" is a rubber hose compatible with water-glycol, water, high water content, and mineral-based hydraulic oils. When using water-glycol in conventional mineral-based hydraulic oil hoses, moisture penetrates the inner rubber, eroding the reinforcement layer and significantly reducing its lifespan. The RX Series uses oil and water-resistant synthetic rubber for the inner tube, minimizing moisture penetration and achieving a longer lifespan. 【Features】 ■ Compatible with water-glycol ■ Designed for long lifespan ■ Excellent abrasion resistance and water resistance ■ Compact design for flexibility, lightweight, and slimness ■ A product lineup suitable for pump rated pressure *For more details, please refer to the PDF document or feel free to contact us.

The "SQ Series" is a super abrasion-resistant rubber hose for mineral-based hydraulic oil. By coating the outer layer of the hose with ultra-high molecular weight polyethylene, this series enhances the abrasion resistance, oil resistance, and water resistance of the outer sheath. It is the ideal product for those concerned about rubbing and wear in complex piping systems. We offer three grades with a pump rated pressure of 21.0 to 35.0 MPa. 【Features】 ■ Improved abrasion resistance due to ultra-high molecular weight PE coating ■ Enhanced oil and water resistance ■ No concerns about friction even in complex piping ■ Abrasion test shows a weight reduction of 0.000g * Based on the old ISO 6945 abrasion test with 2000 cycles ■ Capable of small bending radii ■ Flexible structure speeds up piping work ■ A product lineup suitable for the pump rated pressure * For more details, please refer to the PDF document or feel free to contact us.

We would like to introduce the "high-pressure hoses for civil engineering work" that we handle. Rubber hose for foundation work "WS0720/WW1416～32" Rubber hose for shield machines "SM2124" High-pressure air hose "PA0332-P" are available. We have a rich stock of these products. 【Lineup】 ■ Rubber hose for foundation work (WS0720/WW1416～32) ■ Rubber hose for shield machines (SM2124) ■ High-pressure air hose (PA0332-P) *For more details, please download the PDF or feel free to contact us.

We would like to introduce the Aspire Hose Protector "AHP Series" that we handle. We offer a "Standard Type," which is a protective sleeve for hydraulic hoses used in construction machinery and equipment, and a high-grade model called "Fray Prevention Type" for hydraulic hose protection. Please feel free to contact us when you need assistance. 【Type Lineup】 ■ Standard Type ■ Fray Prevention Type *For more details, please download the PDF 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.