What Are SAE R2AT and EN 853 2SN Hydraulic Hoses?
SAE R2AT and EN 853 2SN are two standards that specify requirements for high-pressure hydraulic hoses. Both types feature:
- Double Wire Reinforcement: These hoses have two layers of high-tensile steel wire braiding for added strength and pressure handling.
- Durable Construction: They are made with an oil-resistant synthetic rubber inner tube and an abrasion- and weather-resistant outer cover.
- Pressure Ratings: They are suitable for medium to high-pressure hydraulic applications, with working pressures up to 4000 psi, depending on the size.
Key Applications of SAE R2AT/EN 853 2SN Hoses
These hoses are widely used in various industries, including:
- Construction Equipment: Excavators, bulldozers, and cranes rely on these hoses for hydraulic power transmission.
- Agriculture: Tractors, harvesters, and other machinery often use R2AT/2SN hoses for hydraulic systems.
- Industrial Machinery: Presses, conveyors, and injection molding machines require high-pressure hoses to operate efficiently.
- Mining: These hoses are durable enough to withstand the tough environments of mining operations.
- Transportation: They are often used in hydraulic braking systems and steering mechanisms in trucks and buses.
Key Features and Benefits
- High-Pressure Performance: Designed for systems with demanding pressure requirements.
- Flexibility: Despite their strength, these hoses offer good flexibility, making them easy to install.
- Temperature Resistance: Suitable for a wide range of temperatures, typically from -40°C to +100°C.
- Compatibility: Compatible with various hydraulic fluids, including mineral oils, synthetic oils, and biodegradable fluids.
SAE R2AT vs. EN 853 2SN: Are There Differences?
While the two standards are similar, they have slight variations:
- Regional Standards: SAE R2AT is based on the American standard, while EN 853 2SN follows the European norm.
- Testing Requirements: EN 853 2SN hoses are subject to slightly stricter impulse testing requirements compared to SAE R2AT.
- Interchangeability: In many cases, they are interchangeable as they share similar construction and performance characteristics.
Choosing the Right Hose
When selecting a hydraulic hose, consider the following factors:
- Pressure Requirements: Ensure the hose’s working pressure exceeds your system’s operating pressure.
- Fluid Compatibility: Match the hose material to the type of hydraulic fluid in use.
- Temperature Range: Verify that the hose can handle the environmental and fluid temperatures.
- Application Needs: Assess the specific requirements of your equipment and environment.
Conclusion:
SAE R2AT and EN 853 2SN hydraulic hoses are an excellent choice for various high-pressure applications. Their robust construction, reliable performance, and versatility make them a popular standard across industries.
At Bolnfil, we offer premium-quality SAE R2AT/EN 853 2SN hoses that meet international standards. Whether you need hoses for construction, agriculture, or industrial machinery, our products are designed to deliver. Contact us today for more information or to request a quote!


