SAE100 R2AT hydraulic hose is a medium- to high-pressure hose commonly constructed with an oil-resistant synthetic rubber tube, two braided layers of high-tensile steel wire, and a protective rubber cover. It is used to carry compatible hydraulic fluids in equipment such as construction machinery, agricultural machines, and industrial hydraulic systems. To select the right hose, match its size, working pressure, temperature range, fluid compatibility, and routing requirements to the system—not just the SAE designation.
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This guide is for equipment manufacturers, hydraulic hose distributors, maintenance teams, and industrial buyers sourcing SAE100 R2AT hose or hose assemblies. It is especially useful when you are comparing supplier quotations, replacing an existing hose, or specifying a hose for a new hydraulic circuit. The information provides a purchasing framework, but it does not replace the current SAE standard, equipment requirements, or the selected manufacturer’s datasheet.
SAE100 R2AT is a hydraulic hose type associated with the SAE 100R2 specification. Its reinforcement consists of two braided layers of steel wire, which provide the structure needed for pressurized hydraulic service. The “AT” designation is commonly used for a hose with a textile-imprinted cover, while “R2” identifies the two-wire-braid construction.
A typical hose has three functional layers: an inner tube that contacts the hydraulic fluid, steel-wire reinforcement that supports pressure, and an outer cover that helps protect the reinforcement from the operating environment. Exact materials and performance characteristics can differ by manufacturer. For procurement, confirm that the product is declared compliant with the required edition of SAE J517 and obtain the technical data for the specific size being quoted.
The inner tube is generally made from a synthetic rubber compound selected for compatibility with hydraulic fluids. The reinforcement uses two steel-wire braids, and the outer cover is typically a synthetic rubber compound intended to resist oil, abrasion, and environmental exposure. These descriptions are general; request written compatibility information if the hose will encounter unusual fluids, cleaning agents, or environmental conditions.
| Specification area | What to check | Why it matters |
|---|---|---|
| Hose type | SAE 100R2 / R2AT designation and applicable standard edition | Confirms the intended hose construction and specification basis |
| Size | Inside diameter, outside diameter, and dash size | Affects flow, connection fit, and installation space |
| Pressure | Working pressure, pressure peaks, and required safety limits | Prevents selecting a hose below the circuit requirement |
| Temperature | Fluid temperature and ambient temperature | Heat or cold can affect hose service conditions |
| Routing | Minimum bend radius and movement during operation | Helps avoid kinking, excessive strain, and premature wear |
A commonly published temperature range for standard R2AT hose is about -40°C to +100°C. Treat this as a general reference rather than a universal guarantee: allowable conditions can depend on the fluid, hose size, construction, and supplier data. Likewise, working pressure and minimum bend radius vary with nominal bore, so do not apply one size’s rating to another.
SAE100 R2AT hose is used in hydraulic lines where a two-wire-braid construction meets the equipment manufacturer’s requirements. Typical application areas include construction and earthmoving equipment, agricultural machinery, material-handling systems, machine tools, and general industrial power units. A suitable application depends on the system pressure, fluid, temperature, motion, and exposure—not on the machine category alone.
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For example, a hose in a compact machine enclosure may need closer attention to bend radius and abrasion protection than a straight, stationary line. A circuit with pressure spikes needs ratings checked against those conditions rather than only its nominal operating pressure. Where the application falls outside the supplier’s published data, obtain technical confirmation before placing an order.
When replacing a hose, record its inside diameter, overall length, fitting types, fitting orientation, and connection standards. Measure the assembly in a way that matches the supplier’s length convention, since fitting-to-fitting measurement methods can differ. If the old hose is damaged or unreadable, use equipment documentation and confirm the connection details instead of relying on appearance alone.
For new designs, define the operating conditions before requesting a quotation. Include hose size, required working pressure, fluid, temperature range, routing constraints, cover exposure, and fitting details. Commonly available nominal bores may span approximately 1/4 inch to 2 inches, but availability and performance ratings vary by manufacturer and product range.
Hose pricing can depend on size, construction, order quantity, requested length, packaging, and whether the order includes assembled fittings. Minimum order quantities and lead times are supplier- and order-specific; confirm them in the quotation rather than assuming they are standard across sizes. For repeat purchases, ask whether the supplier can retain the agreed specifications and identification details for future orders.
Ask suppliers for a product datasheet covering hose size, working pressure, temperature range, minimum bend radius, and applicable standard. Request clarification on fluid compatibility and fitting options when your application has special requirements. For a hose assembly, confirm assembly length, end connections, orientation, packaging, and any inspection or documentation requirements before production.
Hengshui Xinchi Hose Manufacturing Co., Ltd. supplies hydraulic rubber hose products and can review buyer-provided requirements for SAE100 R2AT hose sourcing. When requesting a quotation, provide the size, quantity, operating conditions, required standard, delivery destination, and whether you need bulk hose or completed assemblies. We can then clarify product availability, configuration options, and the documentation that can be provided for the requested order.
SAE100 R2AT is a two-steel-wire-braid hydraulic hose used in compatible pressure applications, but the designation alone does not determine whether a particular hose is right for your system. Select by matching the exact bore, working pressure, fluid, temperature, bend radius, routing, and fittings to the equipment requirements, then verify those details against the supplier’s datasheet. Before ordering, send your complete operating and assembly specifications to Hengshui Xinchi Hose Manufacturing Co., Ltd. to discuss a suitable product configuration and obtain a quotation.
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