SAE 100R3 3/8 inch hose, 100 meters/roll
In hydraulic transmission systems, the SAE 100R3 3/8-inch double-layer fiber-reinforced hose is the preferred accessory in industrial applications due to its superior oil resistance and abrasion resistance. This hose, employing a high-strength synthetic fiber cross-braided layer and a special rubber composite structure, maintains excellent performance within a temperature range of -40℃ to +100℃, with a maximum working pressure of 25MPa and a burst pressure exceeding four times the working pressure. The inner and outer layers of the hose utilize a patented NBR nitrile rubber formula, offering excellent resistance to fluids such as mineral oil and hydraulic oil. Its unique abrasion-resistant layer design extends the hose's service life by 2-3 times compared to ordinary models.
The most significant technological breakthrough of this product lies in its double-layer reinforcement structure: the first layer uses high-density polyester fiber spirally wound at a 54° angle, while the second layer uses aramid fiber cross-braided in the opposite direction at a 45° angle. This dual protection allows the hose to maintain flexibility while achieving an anti-pulse performance of over 3 million cycles. Laboratory tests show that when conveying No. 46 anti-wear hydraulic oil, its volume expansion rate is only 60% of that of a single-layer hose of the same specification, significantly improving the response accuracy of the hydraulic system. The wavy groove design on the hose surface not only reduces weight by 20% but also effectively prevents mechanical wear during use.
As a representative product of China's hydraulic hose manufacturing technology, this 100-meter roll of SAE 100R3 hose has passed international certifications such as ISO18752 and DIN20022. Its unique green stripe marking system allows for quick identification of pressure ratings. Actual application data shows that in the hydraulic systems of construction machinery booms, its anti-torsion performance reduces the pipeline layout radius to five times the pipe diameter, significantly saving installation space. The manufacturer's specially optimized pipe fitting crimping process ensures that the terminal sealing meets the highest DIN standard, with no leakage observed during a 2000-hour salt spray test.
To meet different operating conditions, this product has been developed into a series of variants, including conductive and cryogenic types. The conductive hose, with its embedded spiral steel wire, effectively eliminates the risk of static electricity when transporting flammable media; the cryogenic model uses a special rubber compound that maintains elasticity in extremely cold environments down to -55°C. Notably, its 100-meter industrial roll packaging reduces warehousing costs by 15% compared to traditional 30-meter packaging, and its unique UV-resistant packaging layer ensures performance degradation of no more than 5% after three years of storage.
In comparative tests in typical application scenarios such as port machinery and injection molding machines, this hose demonstrated remarkable durability. After 6000 hours of continuous operation, its inner wall remained smooth, without the delamination and peeling common in ordinary hoses. The manufacturer's end-to-end traceability system records production batches and material formulas using laser marking technology, providing complete quality archives for major engineering projects. The latest improved pipe tail processing technology achieves a cut end flatness of less than 0.1mm, completely eliminating the risk of leakage during on-site installation.
Market feedback shows that this SAE J517 compliant hose offers extremely high cost-effectiveness when replacing imported brands. Its innovative fiber arrangement technology increases bending fatigue life to 1.8 times the industry average, making it particularly suitable for high-frequency moving parts such as excavator slewing joints. Test reports confirm that when conveying hydraulic oil containing 5% solid particles, its wear resistance still exceeds the EN853 standard requirements. The manufacturer is developing a smart monitoring version that will transmit pressure fluctuation data in real time through embedded fiber optic sensors, indicating that hydraulic hoses are about to enter the Internet of Things era.
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