As the leading ship supplier in Chad, Propeller Shaft Alignment Dial Indicators, we specialize in delivering high-quality Propeller Shaft Seals with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
Propeller shaft seals in marine propulsion prevent water ingress and lubricant leakage around the rotating shaft. They ensure smooth operation and protect bearings from corrosion and contamination. These seals are critical for maintaining vessel efficiency and preventing mechanical failures.
Size: Typically ranges from 50 mm to 500 mm in diameter, depending on shaft size.
Grade: Marine-grade seals compliant with ISO 6194, DIN 3760, or SAE J946 standards.
Viscosity: Compatible with lubricants of ISO VG 68 to VG 220 viscosity grades.
Buoyancy: Neutral buoyancy to minimize drag and ensure stability in water.
Material: Nitrile rubber (NBR), polyurethane (PU), or fluorocarbon (FKM) for corrosion and wear resistance.
Pressure Rating: 3 to 10 bar, depending on design and application.
Temperature Range: -20°C to +120°C, varying by material.
Speed: Suitable for shaft speeds up to 15 m/s.
Seal Type: Lip seals, mechanical seals, or radial shaft seals based on propulsion system requirements.
Chemical Resistance: Resistant to seawater, oils, and fuels.
Propeller Shaft Seals for Marine Propulsion typically comply with maritime standards such as ISO 9001, ABS, DNV, or Lloyd's Register, depending on the manufacturer and specific product specifications.
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