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The RIVERLAKE HCG Series is a range of single-acting, high tonnage hydraulic cylinders engineered for demanding heavy lifting and industrial applications. Designed with a gravity return mechanism, these cylinders deliver exceptional reliability and performance under extreme conditions. • Gravity Return for High Tonnage – The single-acting design with gravity return ensures safe, controlled lowering of heavy loads, simplifying operation while maximizing lifting capacity. • Enhanced Eccentric Load Tolerance – Capable of withstanding up to 10% eccentric loading at 90% of the cylinder’s full stroke, providing superior stability and safety in real-world applications where off-center loads may occur. • Advanced Piston Surface Treatment – The plunger surface is treated with gas nitriding and post-oxidation, delivering excellent resistance to eccentric loads and long-term cyclic wear, significantly extending service life. • Stop Ring with Nitriding + Post-Oxidation – The stop ring undergoes the same gas nitriding and post-oxidation process, effectively preventing plunger over-stroke while ensuring durability against repeated impact.