SAE 100 R1AT hydraulic hose is a flexible hose designed to convey hydraulic fluids in equipment and industrial systems. Its typical construction combines an oil-resistant synthetic rubber tube, one braided steel-wire reinforcement, and a weather-resistant rubber cover. It is commonly considered for medium-pressure hydraulic circuits, but the correct choice depends on the hose’s size-specific working pressure, fluid compatibility, temperature range, and installation conditions. This guide explains what to check before evaluating or purchasing SAE 100 R1AT hose.
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This guide is intended for hydraulic equipment manufacturers, maintenance teams, distributors, and procurement professionals comparing hose options. It is useful when preparing a new hose specification or replacing an existing assembly. It is not a substitute for the equipment manufacturer’s instructions or a product-specific technical datasheet. Where those documents give different limits, follow the requirements for the equipment and the selected hose assembly.
SAE 100 R1AT is a designation used for a hydraulic hose with a single high-tensile steel-wire braid reinforcement. The inner tube is generally made from synthetic rubber selected for compatibility with hydraulic fluids, while the outer cover protects the reinforcement from the surrounding environment. The reinforcement helps the hose contain pressure, and the flexible construction allows it to route between hydraulic components. Exact compounds, dimensions, and performance limits can differ among products, so confirm them against the supplier’s specification.
R1AT is often associated with EN 853 1SN in commercial sourcing, but buyers should not assume that two labels guarantee identical requirements or approvals. Ask the supplier to identify the standard or standards the offered product is designed to meet and provide the relevant technical information. This is especially important for replacement orders, regulated equipment, and applications where a specific standard is contractually required.
Working pressure is not a single value for every R1AT hose. It changes with nominal bore and product design, so compare the datasheet for the exact size rather than relying on a general description. Check the working pressure and any stated burst or impulse requirements against the system design and equipment documentation. The assembly, including fittings and installation, must also be suitable for the operating pressure.
Typical published temperature guidance for petroleum-based hydraulic fluids is often around -40°C to +100°C. Treat this as general guidance rather than a guaranteed limit: fluid type, exposure duration, and product construction can affect the permitted operating range. Water-based fluids may have different limits, so request confirmation for the fluid being used. A common catalog size range may span roughly 6 mm to 51 mm nominal bore, but availability and limits vary by manufacturer and size.
Confirm that the tube material is compatible with the hydraulic fluid, including any additives in the formulation. Check whether the cover is appropriate for the environment, such as exposure to abrasion, oils, sunlight, ozone, or weather. If the hose will operate near heat sources or in a corrosive setting, describe those conditions when requesting a recommendation. Do not assume a standard rubber cover will suit every exposure.
Fittings are a separate but essential part of hose selection. Specify the connection type, thread, sealing method, orientation, and assembly requirements where applicable. The hose and fittings need to be compatible with each other and installed using an appropriate process. When replacing an assembly, provide clear photographs or drawings alongside dimensions; appearance alone is not enough to confirm thread or sealing compatibility.
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SAE 100 R1AT hose may be considered for hydraulic lines in mobile equipment, agricultural machinery, material-handling systems, and industrial machinery. Typical uses include conveying hydraulic fluid between pumps, valves, cylinders, and other components where the selected hose’s pressure and temperature ratings are adequate. Its suitability depends on the specific duty cycle and installation, not simply the equipment category. Always check the system manufacturer’s requirements before substitution.
For a circuit with frequent pressure pulses, significant vibration, tight routing, or demanding external exposure, review the application with a qualified hose supplier or equipment engineer. A different hose construction may be more appropriate if the required pressure, impulse performance, flexibility, temperature, or environmental resistance exceeds the R1AT product’s documented limits. The safest selection is the one supported by technical specifications for the actual service conditions.
A frequent mistake is choosing a hose based on outside appearance or a similar label without checking bore, pressure rating, and connection details. Another is treating the maximum temperature as suitable for every fluid or continuous operating condition. Buyers may also overlook minimum bend radius, causing avoidable stress at the hose ends or along the route. Confirm these factors before approving a substitution or placing a repeat order.
Pricing depends on factors such as hose size, requested length, order quantity, fittings, packaging, and documentation. A hose-only order and a finished assembly are not directly comparable, so specify which you need when requesting a quotation. Minimum order quantities and production or dispatch lead times are supplier- and order-specific. Request current terms rather than relying on a previous quote, particularly when specifications or quantities have changed.
For an efficient quotation, provide the hose designation, nominal bore, required length, quantity, operating conditions, delivery destination, and any packaging or inspection requirements. For assemblies, include fitting details and orientation. If you are uncertain about a specification, identify the equipment and application and ask the supplier which missing information must be confirmed before pricing.
Before selecting a supplier, check whether the technical offer identifies the exact hose construction and size. Ask for a product datasheet showing the applicable pressure, temperature, dimensions, bend radius, and fluid guidance. Clarify what inspection or test documentation is available for the quoted product and whether it is included with the order. Avoid relying on unsupported claims when the requirement can be checked against a written specification.
Hengshui Xinchi Hose Manufacturing Co., Ltd. supplies rubber hose products, including hydraulic hose options for B2B evaluation. To assess SAE 100 R1AT for your application, share the required bore, length, working conditions, fluid, connection details, and order quantity. Our team can use those details to clarify the relevant product specification and quotation requirements. Final selection should be based on the confirmed datasheet and the technical demands of your equipment.
SAE 100 R1AT hydraulic hose is a single-steel-wire-braid option for hydraulic applications where its documented pressure, temperature, fluid compatibility, and installation limits meet the system requirements. The designation alone does not provide enough information to approve a hose for every machine or duty cycle. Start by confirming the application data, then compare the exact size and assembly against a product-specific datasheet. For a quotation or product evaluation, send Hengshui Xinchi Hose Manufacturing Co., Ltd. your hose dimensions, operating conditions, fitting requirements, and target quantity.
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