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Our premium SAE100 R4 hydraulic hose is specifically designed for suction and return line applications in hydraulic systems, manufactured to strict SAE J517 100R4 standards. This versatile hydraulic hose features a robust construction consisting of a smooth synthetic rubber inner tube, one or two layers of textile braid reinforcement, a single helical steel wire for vacuum resistance, and a durable synthetic rubber outer cover. Engineered for low to medium pressure hydraulic systems, our SAE 100 R4 hose provides excellent flexibility and superior vacuum capability, making it the ideal choice for hydraulic fluid transfer and return line applications. Available in a wide range of sizes from 19mm (3/4") to 102mm (4") nominal diameter, we can accommodate the diverse needs of industrial equipment manufacturers and maintenance professionals.
The integrated helical steel wire reinforcement gives our SAE 100 R4 suction hose exceptional vacuum capability, preventing hose collapse even under high vacuum conditions. This critical feature ensures reliable fluid flow in suction lines, protecting hydraulic pumps from cavitation damage and extending system lifespan.
Our hydraulic return line hose is engineered for maximum flexibility, allowing for easy installation and routing around complex machinery components. The textile braid reinforcement provides excellent bendability while maintaining structural integrity, reducing installation time and labor costs for industrial maintenance teams.
The high-quality synthetic rubber inner tube offers excellent resistance to a wide range of hydraulic fluids, while the outer cover is specially formulated to resist oil, weather, ozone, and abrasion. This durable construction ensures long service life even in demanding industrial environments, reducing replacement frequency and maintenance costs.
As a dedicated suction and return line hose, our SAE100 R4 hydraulic hose provides optimal performance at a lower cost compared to high-pressure wire braided hoses. This makes it the economical choice for low to medium pressure hydraulic applications where high pressure resistance is not required.
Product Series | Nominal Diameter | Size | ID | OD | W.P | B.P | W.T | |
R4 | mm | inch | min | max | max | Mpa | Mpa | Kg/m |
R4-12-19 | 19 | 3/4“ | 18.6 | 19.8 | 34.0 | 2.1 | 8.4 | 0.68 |
R4-16-25 | 25 | 1” | 25.0 | 26.4 | 40.0 | 1.7 | 7.0 | 0.84 |
R4-20-32 | 32 | 1-1/4“ | 31.4 | 33.0 | 48.0 | 1.4 | 5.6 | 1.13 |
R4-45 | 45 | 1-3/4“ | 45.1 | 49.1 | 51.0 | 0.8 | 3.2 | 1.20 |
R4-24-38 | 38 | 1-1/2” | 36.9 | 39.3 | 54.0 | 1.05 | 4.2 | 1.41 |
R4-32-51 | 51 | 2“ | 49.2 | 52.4 | 68.0 | 0.7 | 2.8 | 1.85 |
R4-40-63 | 64 | 2-1/2” | 61.9 | 65.1 | 81.0 | 0.4 | 1.7 | 2.28 |
R4-48-76 | 76 | 3” | 74.6 | 77.8 | 93.0 | 0.4 | 1.6 | 2.64 |
R4-56-89 | 89 | 3-1/2“ | 87.3 | 90.5 | 106.0 | 0.3 | 1.25 | 3.02 |
R4-64-102 | 102 | 4” | 100.0 | 103.2 | 120.0 | 0.25 | 1.0 | 3.21 |
Note: Custom lengths and special specifications are available upon request to meet your unique application needs.
Our SAE100 R4 suction and return hose is widely used in various industrial sectors for low to medium pressure hydraulic fluid transfer applications. It is particularly suitable for:
Hydraulic system suction lines
Hydraulic fluid return lines
Oil transfer lines
Fuel transfer applications
Industrial fluid handling systems
Agricultural machinery
Construction equipment
Important: This hose is not suitable for conveying phosphate ester-based fluids or high-pressure hydraulic applications.
Our SAE100 R4 hydraulic hose is designed to handle full vacuum (760mmHg) without collapsing, thanks to the integrated helical steel wire reinforcement. This makes it ideal for suction line applications where reliable vacuum performance is critical.
No, SAE100 R4 hose is specifically designed for low to medium pressure suction and return line applications. For high-pressure hydraulic applications, we recommend our compact layer wire braided hydraulic hoses (EN857-1SC/2SC series).
Our SAE100 R4 hydraulic hose operates reliably in temperatures from -40°C to +100°C for standard hydraulic fluids. When conveying water-based media, the maximum working temperature is limited to 70°C.
Yes, we can provide SAE100 R4 hydraulic hose in custom cut lengths to meet your specific requirements. We also offer complete hose assembly services with a wide range of compatible fittings.
