PSS Shaft Seals

9 results
BrandPSS Shaft Seals
Show In-Stock Only


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., these mechanical seals were introduced in 1991 and are designed to prevent water from entering through the propeller shaft, ensuring a watertight seal for your vessel. Known for their durability and maintenance-free design, PSS Shaft Seals are a preferred choice for both recreational and commercial boat operators looking to enhance performance and reliability on the water.

What Sets PSS Shaft Seals Apart?

  • Reliability: PSS dripless shaft seals are trusted for their long-lasting performance. Featuring a stationary carbon face seal paired with a stainless steel rotor seal, these seals provide a robust, watertight connection that boaters can depend on.
  • Maintenance-Free: Unlike traditional packing glands, PSS Shaft Seals are virtually maintenance-free. This unique feature reduces the need for frequent adjustments and replacements, ultimately cutting down on downtime and maintenance costs.
  • Versatility: These seals are adaptable for various marine applications. They can be customized to fit a wide range of shaft sizes, from 3/4 to 6 inches (20 to 150 millimeters), making them suitable for different types of boats and vessels.

Benefits of PSS Shaft Seals

  • 100% Watertight: PSS Shaft Seals eliminate the risk of water ingress, preventing water from entering the bilge and ensuring that the interior of your boat remains dry and protected. This reduces the potential for corrosion and water damage to critical components.
  • Durable Design: Built for longevity, PSS Shaft Seals offer a lifespan of up to 100,000 running hours under normal conditions, providing boaters with peace of mind knowing their seal will perform reliably over time.
  • Ease of Installation: PSS Shaft Seals are designed with a simple installation process in mind, making them easy to install or retrofit. This ease of installation makes them a favorite choice for boatyards, boat builders, and DIY boaters alike.
For more information on PSS Shaft Seals, or to discuss your specific requirements with one of our experts, contact Fisheries Supply today. We also provide a wide range of related products, including ship shaft seal repair kits and cooling water hose kits, to keep your vessel running smoothly.

Frequently Asked Questions

What is a PSS Shaft Seal and how does it work?
A PSS Shaft Seal is a mechanical seal designed to prevent water from entering the boat through the propeller shaft. It works by using a stationary carbon face seal and a stainless steel rotor seal to create a watertight connection, keeping the interior of the boat dry and protected from water ingress.

How do PSS Shaft Seals differ from traditional packing glands?
Unlike traditional packing glands, PSS Shaft Seals are maintenance-free, meaning they don't require frequent adjustments or replacements. This makes them a more reliable, cost-effective, and low-maintenance solution for preventing water leaks in the propeller shaft area.

What sizes do PSS Shaft Seals come in?
PSS Shaft Seals are available in various sizes to fit shafts ranging from 3/4 inch to 6 inches (20 to 150 millimeters).

Are PSS Shaft Seals easy to install?
Yes, PSS propeller shaft seals are designed for easy installation and can often be retrofitted to existing vessels. PSS shaft seal kit's straightforward design makes them a preferred choice for boatyards, builders, and DIY boaters alike, saving both time and money during installation.

How long do PSS Shaft Seals last?
Under normal operating conditions, PSS Shaft Seals are built to last up to 100,000 running hours. This long lifespan ensures that boaters can rely on their seals for many years without needing frequent replacements, making them a durable and cost-effective solution for water ingress prevention.