ドゥ・ヤマモト List of Products and Services

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 "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 "FC579" is a jack hose for general hydraulic oil. The inner tube is made of synthetic rubber, and the outer cover is made of synthetic fiber "DURA-TUFF," featuring a reinforcement layer of double wire braid (2W/B). This product meets the standards of the Material Handling Industry (MHI) J100 in the United States. 【Specifications】 ■ For general hydraulic oil ■ Inner tube: Synthetic rubber ■ Outer cover: Synthetic fiber "DURA-TUFF" ■ Reinforcement layer: Double wire braid (2W/B) ■ Operating temperature: -40°C to +100°C (-40°F to +212°F) *For more details, please refer to the PDF document or feel free to contact us.

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 "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.

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 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 "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 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.

We would like to introduce "Stop Flex," which is handled by Do Yamamoto Co., Ltd. It is a safety wire for high-pressure hoses that ensures safety up to 45MPa, featuring a simple structure that allows for easy installation. It can be attached to hoses with an outer diameter of up to 95mm. 【Features】 ■ Simple structure for easy installation ■ Ensures safety up to 45MPa ■ Can be attached to hoses with an outer diameter of up to 95mm ■ Prevents injuries and accidents caused by high-pressure hoses coming loose *For more details, please download the PDF or feel free to contact us.

We would like to introduce our steam cleaning dedicated rubber hose 'SA'. The fittings for this product, the "SK series," are all bolt-type for every size. The standard material is equivalent to SS and SC steel, with surface treatment of zinc plating and chromate treatment (only for the core fittings). It is also possible to change the core fittings to SUS. Additionally, we can accommodate crimping as well. Please feel free to contact us if you have any inquiries. *For more details, please download the PDF or feel free to contact us.

We would like to introduce the "Selfit Coupling" handled by Du Yamamoto Co., Ltd. Since it only requires inserting the hose, no crimping machine is needed, allowing anyone to easily assemble it themselves. We offer a lineup of FT series, FS/FU series, and FR series, each with different compatible hoses and specifications. 【Features】 ■ No crimping process required ■ Easier piping work ■ Reduced piping design time ■ Significant benefits for management and emergency response *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.