Universal Hydraulic Cylinder Fit for All Types of Excavators

Universal Hydraulic Cylinder Fit for All Types of Excavators. High-Pressure Capabilities: Engineered to withstand working pressures up to 35MPa+, ensuring stable and powerful excavation even in the toughest rock and mining environments. Zero-Leakage Sealing System: Utilizing top-tier imported seals (such as NOK or Merkel) that offer exceptional wear and temperature resistance, drastically reducing downtime caused by oil leaks. Superior Corrosion & Wear Resistance: The piston rod features precision grinding and hard chrome plating (thickness $\ge$ 0.03mm, hardness $\ge$ HV850), delivering excellent rust prevention and long-l. Smooth End-Stroke Cushioning: Built-in adjustable or automatic cushion valves absorb heavy impacts at the stroke ends, protecting the excavator's boom, arm, and bucket from structural fatigue. Heavy-Duty Cylinder Barrel: Formed from premium honed seamless steel tubes (ST52/E355) with strict ID tolerances, guaranteeing high structural integrity and preventing barrel swelling under extreme lo. Rigorous Quality Assurance: Every single cylinder undergoes 100% hydraulic proof pressure and leakage testing before shipment to guarantee flawless performance right out of the box.