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90mm Shaft / 5in Tube PSS Shaft Seal

The PSS Shaft Seal stands out as the premier choice for marine mechanical seals, globally recognized for its superior performance and reliability. Designed for both new installations and retrofits, this innovative seal is a favorite among reputable boat builders and yards worldwide. Its number one selling status is a testament to its effectiveness and durability, ensuring a watertight seal that protects your vessel's hull and propeller shaft from damage and leaks.

• Seamless integration with stern tube for enhanced stability.
• Comprehensive protection against water ingress and shaft wear.

The PSS Shaft Seal is not just a mechanical seal; it's a comprehensive solution that eliminates the need for constant adjustments and maintenance associated with traditional packing glands. Its design allows for minimal wear, reducing the overall cost of ownership and maintenance for your marine vessel.

Technical Specifications and Features

This PSS Shaft Seal is meticulously crafted to fit shaft sizes of 90mm and is compatible with stern tube diameters ranging from 5.000" to 5.125". Its innovative mechanical face seal technology creates a tight bond between the rotating stainless steel rotor and the stationary carbon flange, ensuring a 100% water-tight seal. The carbon flange is designed to “float” around the shaft, effectively compensating for misalignment and vibration issues.

• Compressible bellows for optimal fit and flexibility.
• Set-screw collar for secure attachment to the shaft.

The PSS Shaft Seal is certified by Bureau Veritas, ABS, and Rina, further solidifying its reputation for quality and safety. Its easy retrofit capabilities make it a convenient choice for boat owners and technicians alike.

Practical Applications and Benefits

The PSS Shaft Seal is an essential component for any marine vessel, offering numerous benefits that enhance performance and safety. By eliminating water in the bilge and reducing wear on the propeller shaft, this seal prolongs the life of your vessel and ensures a smoother, more efficient operation.

• Improves vessel performance and fuel efficiency.
• Reduces maintenance costs and downtime.

Whether you're a professional boat builder or a dedicated boater, the PSS Shaft Seal is an investment in the future of your vessel. Its versatility and durability make it an ideal choice for a wide range of marine applications, ensuring that your vessel stays dry, protected, and in optimal condition.