As the leading ship supplier in Ross Dependency, Marine Pipeline Circulation Systems, we specialize in delivering high-quality Stern Tube Seal Replacement with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
Stern tube seal replacement involves removing worn-out seals to prevent seawater ingress and lubricant leakage in marine propulsion systems. The process includes disassembling the stern tube, installing new seals, and ensuring proper alignment for optimal performance. Regular replacement maintains propulsion efficiency and prevents costly damage to the vessel's shaft and bearings.
Size: Typically ranges from 50 mm to 800 mm in diameter, depending on vessel size.
Grade: Marine-grade materials compliant with ISO 9001 and ASTM standards.
Viscosity: Lubricating oil viscosity ranges from ISO VG 68 to ISO VG 220.
Buoyancy: Neutral buoyancy to minimize drag and ensure stability.
Material: Nitrile rubber (NBR), polyurethane (PU), or fluorocarbon (FKM) for seals; stainless steel (AISI 316) for structural components.
Operating Temperature: -20°C to +120°C, depending on material.
Pressure Rating: Up to 4 bar for standard applications, higher for specialized designs.
Compatibility: Resistant to seawater, oils, and marine biofouling.
Certification: Meets IMO, ABS, DNV, and Lloyd’s Register standards.
Lifespan: 5-10 years, depending on operational conditions and maintenance.
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