High Pressure R19 Hydraulic Hose
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High Pressure R19 Hydraulic Hose

①Inner tube: Seamless black Nitrile, oil-resistant synthetic rubber
②Reinforcement: Two braids of high-tensile steel wire with protective middle coating layer
③Cover: Flame.weather.zone.oil.abrasion-resistant synthetic rubber
④Temperature "-15℃ - +100℃ " ( +5℉ - +212℉ ) Safety factor: 4:1
⑤Application: High pressure hydraulic oil lines.Small bend radius excellent flexibility. 600,000 cycles impulse test
 
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R19 Type I.D. O.D. W.P. B.P. B.Radius Weight
dash inch mm inch mm Bar Psi Bar mm Lb/ft Kg/m
R19-04 1/4" 6.4 0.55 14.0 280 4060 1120 55 0.24 0.36
R19-05 5/16" 8.0 0.59 15.0 280 4060 1120 60 0.30 0.45
R19-06 3/8" 9.5 0.67 17.0 280 4060 1120 66 0.36 0.54
R19-08 1/2" 12.7 0.83 21.0 280 4060 1120 90 0.43 0.64
R19-10 5/8" 15.9 0.98 25.0 280 4060 1120 105 0.60 0.90
R19-12 3/4" 19.0 1.14 29.0 280 4060 1120 125 0.73 1.08


Product Description


In the intricate anatomy of modern machinery, every millimeter counts. Engineers are constantly tasked with packing more power and functionality into tighter, more complex spaces. A hydraulic hose that is too bulky isn’t just an inconvenience; it can compromise a design, create installation nightmares, and rub against other components, leading to premature wear. We understand that true innovation in hydraulics is about delivering more power from a smaller package. That was the driving force behind our High Pressure R19 Hydraulic Hose. Imagine a hose that delivers the power of a much larger line, yet snakes through the tightest engine compartments and articulating joints with ease. You can feel its lean, compact profile in your hand—a testament to its efficient design. It’s the sound of a hydraulic system running cleaner and more efficiently, with less vibration and stress on the fittings. This hose doesn’t just carry fluid; it unlocks design potential. It allows engineers to build smarter, more compact machines and gives maintenance technicians the room they need to work effectively. It’s the solution for those who refuse to be limited by space, transforming a routing challenge into an opportunity for optimization.



Key Features & Highlights


  • Compact Design for Tight Spaces: The defining feature of the R19 hose is its reduced outside diameter (OD) compared to standard SAE 100 R2 hoses of the same inner diameter. This makes it the perfect solution for equipment with complex hydraulic circuits, tight routing paths, and where space and weight are at a premium.

  • High-Pressure Performance: Despite its compact size, this hose does not compromise on strength. It meets the SAE 100 R19 standard, providing a high working pressure (up to 5800 PSI) that is suitable for a wide range of demanding hydraulic applications, from power steering to implement functions.

  • Excellent Flexibility: The hose is engineered for superior flexibility, which simplifies installation in confined areas. Its ability to bend easily without kinking reduces stress on the hose and fittings, extending the service life of the entire hydraulic assembly and improving overall system reliability.

  • Durable and Abrasion-Resistant Cover: The outer cover is made from a tough, synthetic rubber compound that provides excellent resistance to abrasion, ozone, and weathering. This ensures the hose can withstand the harsh conditions of industrial, agricultural, and construction environments, protecting the critical reinforcement layers from damage.



Applications


The High Pressure R19 Hydraulic Hose is a versatile and critical component in a wide array of mobile and industrial systems where performance and compactness are essential.

  • Construction & Earthmoving Equipment: Essential for the hydraulics of modern machinery. Used in excavators, loaders, backhoes, and skid-steers for functions that require high pressure in tight spaces, such as pilot lines, swing circuits, and auxiliary functions where routing is difficult.

  • Agricultural Machinery: Powering advanced farming equipment. Ideal for use in combines, tractors, and sprayers. Its compact size allows for clean routing within the complex and crowded hydraulic systems of modern agricultural technology, reducing the risk of damage from chafing.

  • Material Handling & Forklifts: A key component in logistics equipment. Used in forklifts, reach trucks, and warehouse automation systems for mast tilt, side-shift, and other hydraulic functions. Its flexibility and small diameter are perfect for the moving parts of these machines.

  • Industrial Machinery & Manufacturing: Used in a variety of stationary industrial equipment where space is limited. This includes machine tools, presses, and automation systems where a compact, high-pressure hose is needed to connect actuators, valves, and pumps.

  • Automotive & Transportation: Found in specialized vehicles and transportation equipment. Used for applications like refuse trucks, snowplows, and other utility vehicles where reliable, high-pressure hydraulic power is needed in a compact form factor.



Construction & Materials


The reliable performance of the R19 Hydraulic Hose is a direct result of its specialized, multi-layered construction, designed to provide high pressure in a compact and flexible package.

  • Inner Tube: The fluid conduit. This tube is made from a high-quality synthetic rubber compound that is specifically formulated to be compatible with standard hydraulic fluids. It provides a smooth, seamless barrier that prevents leakage and protects the reinforcement layers from the fluid itself.

  • Reinforcement: The source of its strength. This hose features one or two layers of high-tensile steel wire braid, depending on the pressure rating. This braid provides the strength needed to contain high internal pressures while contributing to the hose’s compact overall diameter.

  • Outer Cover: The protective layer. The cover is a durable, weather-resistant synthetic rubber. This layer is formulated to provide excellent resistance to abrasion, cuts, ozone, and UV exposure, protecting the critical steel reinforcement from the harsh external environment and ensuring long-term durability.



Why Choose Us?


In a competitive market, selecting a hydraulic hose supplier is a decision that impacts your equipment’s performance, safety, and longevity. We distinguish ourselves through an unwavering commitment to quality, deep technical expertise, and a true partnership with our B2B clients.

  • Strict Adherence to Standards: Your safety and performance are our top priorities. Our R19 Hydraulic Hose is manufactured to meet or exceed the stringent SAE 100 R19 and DIN EN 853 2SN standards. Every hose undergoes rigorous testing to ensure it delivers the pressure rating and durability you expect.

  • Expert Application Knowledge: We are more than just a supplier; we are your hydraulic consultants. Our team possesses a deep understanding of hydraulic systems across various industries. We can provide expert guidance on hose selection, routing best practices, and compatibility, helping you optimize your system for maximum efficiency and safety.

  • Customization & Ready-to-Install Solutions: We know that time is money. We offer a comprehensive range of value-added services, including custom-length assemblies, crimping with your choice of high-quality fittings , and custom branding options. Our goal is to provide a solution that saves you time and effort.

  • Dedicated B2B Partnership & Support: We are committed to your success. Our dedicated B2B support team provides a seamless and responsive experience, from quotation to delivery. We work to understand your operational needs and become a reliable, long-term partner you can count on for consistent quality and expert support.



FAQ

Q1: What is the main difference between an R19 hose and a standard R2 (2SN) hose?
A1: The primary difference is the size. For the same inner diameter (ID), an R19 hose has a smaller outside diameter (OD) and a higher pressure rating than an R2 hose. This makes R19 the preferred choice for applications with tight space constraints.


Q2: Can I use this hose as a direct replacement for my existing R2 hoses?
A2: Yes, in terms of pressure compatibility, an R19 hose can often replace an R2 hose. However, you must ensure that the smaller OD does not create a gap in the fittings or clamps. It is always best to verify compatibility with your specific fittings before making a substitution.


Q3: Is this hose suitable for high-impulse applications?
A3: While the R19 hose is robust, it is generally designed for standard hydraulic pressure applications. For systems with extreme and frequent pressure spikes (high impulse), a spiral-wound hose like an R13 or R12 is recommended due to its superior impulse resistance.


Q4: What type of fittings should be used with this hose?
A4: This hose should be used with high-pressure hydraulic fittings that are compatible with its pressure rating and dimensions. It is crucial to use the correct fittings and crimp them with the proper dies and a calibrated crimping machine to ensure a safe and secure connection.


Q5: How do I determine the correct length of hose I need?
A5: To determine the correct length, route the hose through all required positions of the machinery (fully extended, fully retracted, turned) to ensure it is not under tension or compression. Add a small amount of slack for service loops and to accommodate minor shifts in the machinery, but avoid excessive length that could lead to chafing.




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