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The inherent self-lubricating properties of cast iron reduce friction and wear, extending service life even in systems with marginal lubrication.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: Cast iron — excellent wear resistance and natural lubricity\u003c\/li\u003e\n\u003cli\u003eDesigned for hydraulic and pneumatic piston\/cylinder assemblies\u003c\/li\u003e\n\u003cli\u003eMaintains consistent radial pressure for effective bore sealing\u003c\/li\u003e\n\u003cli\u003eResistant to deformation under sustained operating pressure\u003c\/li\u003e\n\u003cli\u003eCompatible with petroleum-based and water-glycol hydraulic fluids\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHydraulic cylinders (mobile equipment, industrial presses)\u003c\/li\u003e\n\u003cli\u003ePneumatic actuators and air cylinders\u003c\/li\u003e\n\u003cli\u003eHeavy-duty linear motion systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eConfirm bore diameter, ring width, and ring thickness specifications before ordering to ensure proper fit and sealing 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