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Limited Edition Pss 75mm Shaft / 5 1/2in Tub - Going Fast [VMusyDgK]

$61.99 $198.99 -69%

PSS 75mm Shaft / 5 1/2in Tub Seal The PSS Shaft Seal is a cutting-edge marine mechanical seal designed for exceptional performance and durability. This premium seal is the top-selling marine mechanical seal globally, trusted by many reputable boat bu

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Limited Edition Pss 75mm Shaft / 5 1/2in Tub - Going Fast [VMusyDgK]

PSS 75mm Shaft / 5 1/2in Tub Seal

The PSS Shaft Seal is a cutting-edge marine mechanical seal designed for exceptional performance and durability. This premium seal is the top-selling marine mechanical seal globally, trusted by many reputable boat builders and yards. It is renowned for its retrofit capabilities, making it the go-to choice for aftermarket installations. The PSS Shaft Seal is certified by Bureau Veritas, ABS, and Rina, ensuring its quality and reliability. Its innovative design eliminates the need for constant maintenance, adjustments, and the costs associated with traditional packing type glands.
  • Eliminates Maintenance: Reduces downtime and maintenance costs.
  • Waterproof Seal: Ensures 100% water tightness to prevent water ingress in the bilge.

Product Specifications and Technical Details

The PSS Shaft Seal is designed for shaft sizes ranging from 3/4" (20mm) to 6" (150mm), making it highly versatile for various boat applications. This specific model is designed for a 75mm shaft and a stern tube diameter of 5.500" to 5.625". The seal features a mechanical face seal created between the rotating stainless steel rotor and the stationary carbon flange. The carbon flange is attached to the stern tube and the bellows, while the stainless steel rotor is fitted on the shaft. This design allows for easy retrofitting and provides several key benefits:
  • Carbon Flange: Bored larger than the shaft diameter to accommodate misalignment and vibration issues.
  • Stainless Steel Collar: Sealed to the shaft with two o-rings, ensuring a secure fit and minimizing wear during operation.

Practical Applications and Benefits

The PSS Shaft Seal is an essential component for any boat owner looking to enhance the performance and longevity of their vessel. By eliminating water in the bilge and reducing wear on the propeller shaft, this seal contributes to a safer and more efficient boating experience. Ideal for both new installations and retrofits, the PSS Shaft Seal is suitable for a wide range of marine applications, including yachts, commercial vessels, and pleasure boats. Its benefits include:
  • Increased Safety: Prevents water ingress, reducing the risk of sinking and improving overall safety.
  • Cost-Effective: Reduces maintenance and repair costs, providing long-term savings.
Experience the peace of mind and enhanced performance that the PSS Shaft Seal brings to your marine vessel.

What Our Customers Say

January 25, 2026

Absolutely no complaints!

It’s a very fine item. And a very great purchase.

- Jestin V..

January 25, 2026

Absolutely no complaints!

A great item. And very, very good, great, good quality.

- Iorwerth T..

January 25, 2026

Absolutely no complaints!

An excellent piece of equipment. Very, very solid.

- Tristan T..

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