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Ultimate Marine Shaft Seal Solution

The PYI - PSS Shaft Seal is a top-selling marine mechanical seal that is renowned worldwide for its reliability and performance. Designed to replace traditional packing glands, the PSS Shaft Seal offers numerous advantages that make it a preferred choice among reputable boat builders and yards. This premium seal is also recognized as the leading retrofit solution, ensuring a watertight seal and minimizing wear on the propeller shaft.

Key Features and Specifications

The PSS Shaft Seal is engineered with precision and is available for shaft sizes ranging from 3/4" (20mm) to 6" (150mm), making it a versatile solution for various boat types. It features a mechanical face seal created between the flat surfaces of the stainless steel rotor and the stationary carbon flange. This innovative design allows the seal to compensate for thrust from the propeller, ensuring optimal performance and longevity. The carbon flange is bored larger than the shaft diameter, allowing it to float around the shaft and compensate for misalignment and vibration issues. Additionally, the stainless steel collar is sealed to the shaft using two o-rings, which rotate with the shaft and stainless steel rotor, reducing wear and extending the seal's lifespan.

Practical Applications and Benefits

The PSS Shaft Seal is an essential component for any boat owner looking to eliminate maintenance, constant adjustments, and costly repairs associated with traditional packing glands. By installing this advanced seal, you can enjoy a 100% watertight seal, reducing the risk of water in the bilge and protecting your propeller shaft from wear. This not only ensures the safety and efficiency of your vessel but also contributes to a quieter and smoother boating experience. Whether you're a professional mariner or a weekend sailor, the PSS Shaft Seal is a practical investment that enhances the performance and longevity of your marine equipment.