PSS Shaft Seals

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BrandPSS Shaft Seals
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PSS Shaft Seals: A Reliable Solution for Marine Applications


Fisheries Supply offers PSS Shaft Seals, a top choice for boat shaft seals in the marine industry. Manufactured by PYI Inc. and introduced in 1991, these mechanical seals prevent water from entering through the propeller shaft, providing a watertight fit. Known for their durability and maintenance-free design, PSS Shaft Seals are a popular choice among recreational and commercial boat operators.

What Sets PSS Shaft Seals Apart?

  • Reliability: PSS Shaft Seals are renowned for their long lifespan and dependability. They use a stationary carbon face seal and stainless steel rotor seal to provide a secure, watertight connection.
  • Maintenance-Free: Unlike traditional packing glands, PSS Shaft Seals require minimal maintenance, reducing downtime and costs associated with regular adjustments or replacements.
  • Versatility: These seals are suitable for various applications and can be customized to fit various shaft sizes from 3/4 to 6 inches (20 to 150 millimeters).

Benefits of PSS Shaft Seals

  • 100% Watertight: The seals eliminate water ingress into the bilge, protecting the vessel's interior and reducing the risk of corrosion.
  • Durable Design: With a lifespan of up to 100,000 running hours under normal conditions, PSS Shaft Seals offer long-term reliability.
  • Ease of Installation: The simple design allows for straightforward installation and retrofitting, making them an ideal choice for boatyards and builders.
For more information on PSS Shaft Seals or to discuss your specific requirements, contact Fisheries Supply today. We also provide ship shaft seal repair kits and cooling water hose kits.