Experience peace of mind and worry-free boating with PSS Shaft Seals, the trusted choice of boat owners and professionals worldwide.
Fast deliveries of yacht equipment, calculation, selection of analogues and spare parts. Send us your request and we will contact you ASAP with a solution. We deliver in Cyprus, throughout Europe and worldwide. More than 10 years of experience.
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-414-700 Dripless Shaft Seal is a reliable marine sealing solution that prevents water ingress while accommodating propeller thrust movement. Featuring a mechanical face seal, it consists of a rotating stainless-steel rotor and a stationary carbon flange. The design allows for flexibility, compensating for misalignment and vibrations, while two O-rings ensure minimal wear. With temperature limits from -13°F to 425°F and a maximum shaft RPM of 7,000, this seal is engineered for durability and performance. |
€ 7.312,75
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-434-612 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a rotating stainless-steel rotor and a stationary carbon flange that ensure a leak-free experience. This seal compensates for propeller thrust and misalignment, maintaining optimal contact between the surfaces. It operates effectively within a temperature range of -13°F to 425°F and can handle pressures up to 50 PSI, with a maximum shaft RPM of 7,000. |
€ 8.171,68
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-434-634 Dripless Shaft Seal is a reliable and efficient solution for marine applications, featuring a mechanical face seal with a stainless-steel rotor and a carbon flange that effectively handles thrust and vibrations. Its innovative design includes a bellows that securely wraps around the stern tube, compensating for misalignments, and utilizes O-rings to ensure a seamless fit around the shaft. With temperature limits of -13°F to 425°F, pressure limits of 50 PSI, and shaft RPM limits of 7,000, this seal is engineered for performance-driven vessels, providing a durable and maintenance-free operation.
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€ 8.171,68
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-434-700 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal where a stainless-steel rotor compresses a bellows against a carbon flange. This setup maintains a reliable seal while accommodating propeller thrust and misalignments. With a temperature range of -13°F to 425°F and a maximum pressure of 50 PSI, it operates efficiently at up to 7,000 RPM, ensuring durability and performance in demanding conditions. |
€ 8.171,68
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-434-712 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that ensures a reliable, leak-free connection between the shaft and stern tube. It includes a stainless-steel rotor and a stationary carbon flange, allowing for flexibility and compensation for propeller thrust and misalignment. With temperature limits of -13°F to 425°F, pressure limits of 50 PSI, and a maximum shaft RPM of 7,000, this durable seal effectively adapts to varying operational conditions. |
€ 8.171,68
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-434-714 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal with a stainless-steel rotor and a stationary carbon flange. This innovative seal maintains constant contact between its components, accommodating fore and aft movements caused by propeller thrust. With a temperature range of -13°F to 425°F, pressure limits of 50 PSI, and a shaft RPM limit of 7,000, it effectively compensates for misalignment and vibration. |
€ 8.171,68
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-434-734 Dripless Shaft Seal is a high-performance mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellows to maintain a reliable seal against water ingress. Its innovative design allows the carbon flange to float around the shaft, compensating for misalignment and vibration, while two O-rings ensure a durable seal without wear. With a temperature range of -13°F to 425°F and capable of handling up to 7,000 RPM, this shaft seal is built for exceptional reliability and performance. |
€ 8.171,68
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-434-800 Dripless Shaft Seal is a high-performance, mechanical face seal designed for marine applications. It features a stainless-steel rotor and a stationary carbon flange that create a reliable seal while accommodating misalignments and vibrations. With a temperature range of -13°F to 425°F and a pressure limit of 50 PSI, this seal maintains constant contact and durability under varying conditions. It is ideal for shafts with a diameter of 4-3/4" and stern tubes measuring 8" to 8-1/8". |
€ 8.171,68
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-434-858 Dripless Shaft Seal provides a reliable, leak-free connection in marine applications. Featuring a mechanical face seal, it uses a rotating stainless-steel rotor and a stationary carbon flange, ensuring consistent contact and compensating for shaft movement. Designed to accommodate misalignment and vibration, it operates within a temperature range of -13°F to 425°F and supports pressures up to 50 PSI, making it an efficient choice for maintaining the integrity of your vessel's propulsion system. |
€ 8.171,68
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-45M-212 Dripless Shaft Seal is designed for marine use, featuring a mechanical face seal that prevents water intrusion. It includes a stainless-steel rotor and a stationary carbon flange, ensuring reliable sealing through a pre-load mechanism that accommodates propeller thrust and misalignment. With temperature limits from 5°F to 225°F and a robust construction, this shaft seal offers durability and performance for demanding conditions. |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-45M-214 Dripless Shaft Seal is a mechanical face seal designed for stern tube applications. It features a stainless-steel rotor that compresses a bellows, ensuring constant contact with a stationary carbon flange. This design allows for compensation of fore and aft movement from propeller thrust, while the over-bored carbon flange accommodates misalignment and vibration. The seal operates within a temperature range of 5°F to 225°F and supports up to 10,000 RPM, making it a reliable choice for marine environments. |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-45M-234 Dripless Shaft Seal is a mechanical face seal designed for 45 mm shafts and 2 3/4" to 2 7/8" stern tubes. It features a stainless-steel rotor that compresses a nitrile bellows, maintaining constant contact with a stationary carbon flange to accommodate propeller thrust and misalignment. With temperature limits of 5°F to 225°F and pressure limits of 15 PSI, this seal effectively handles up to 10,000 RPM while minimizing wear through its innovative design. |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-45M-300 Dripless Shaft Seal is a mechanical face seal designed for marine applications, ensuring a secure connection between the shaft and stern tube. It features a rotating stainless-steel rotor that compresses a bellows, maintaining constant contact with a stationary carbon flange to adapt to shaft movement and misalignment. With temperature limits of 5°F to 225°F and the ability to handle pressures up to 15 PSI, this seal is built for durability and reliability. |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-45M-312 is a reliable dripless shaft seal designed for marine use, featuring a mechanical face seal that ensures a watertight fit. It consists of a rotating stainless-steel rotor and a stationary carbon flange, with a bellows that accommodates propeller thrust and misalignment. The seal operates effectively across a temperature range of 5°F to 225°F and can handle pressures up to 15 PSI, making it suitable for high-performance applications. |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-45M-314 Dripless Shaft Seal features a mechanical face seal design, ensuring reliable sealing for marine applications. It consists of a rotating stainless-steel rotor and a stationary carbon flange, allowing for constant contact and compensation for propeller thrust movement. The seal accommodates misalignment and vibration, while dual O-rings provide effective sealing against wear. This product is suitable for temperatures from 5°F to 225°F and can handle pressures up to 15 PSI, with a maximum shaft speed of 10,000 RPM. |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-45M-334 Dripless Shaft Seal is designed for stern tube applications, featuring a mechanical face seal with a stainless-steel rotor and a stationary carbon flange. This design ensures a secure, leak-free operation by maintaining constant contact between the rotor and flange, accommodating variable movement from propeller thrust. The seal can handle temperatures from 5°F to 225°F and pressures up to 15 PSI, with a shaft RPM limit of 10,000. Its construction includes a molded nitrile bellows and precision-lapped components for durability and performance. |
€ 883,26
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-45M-400 Dripless Shaft Seal features a mechanical face seal that ensures reliable performance in marine applications. It consists of a stainless-steel rotor and a stationary carbon flange, allowing for constant contact and compensation for propeller thrust movement. The carbon flange can float around the shaft to address misalignment and vibration, while two O-rings provide a durable seal without wear during operation. |
€ 883,26
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-500-612 is a high-performance dripless shaft seal designed for marine use, featuring a mechanical face seal that ensures reliable operation. It consists of a stainless-steel rotor and a stationary carbon flange, allowing for effective compensation of misalignment and vibration. The seal operates under temperature limits from -13°F to 425°F, with a pressure limit of 50 PSI and a maximum shaft RPM of 7,000. Its innovative design minimizes wear and enhances durability, making it an essential component for stern tube systems. |
€ 8.584,91
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What is the primary function of a PSS shaft seal in marine applications?
The primary function of a PSS shaft seal in marine applications is to provide a reliable and watertight seal around the propeller shaft, preventing water from entering the boat. The PSS shaft seal is a mechanical face seal, consisting of a stationary carbon flange and a rotating stainless-steel rotor, which is sealed to the shaft by two O-rings. This design allows the seal to compensate for misalignment and vibration, ensuring a consistent and effective seal without constant adjustment, thus reducing maintenance needs.
The carbon flange is attached to the front side of the bellows with hose clamps, and the rotor fits over the shaft and is secured with set screws, maintaining constant contact between the flat surfaces of the carbon flange and the rotor. This setup allows the PSS shaft seal to float around the shaft, providing flexibility and durability, making it a recognized and reliable choice for many of the world's most reputable boat builders and boatyards.
The PSS shaft seal features o-rings that rotate with the shaft, allowing the seal to compensate for any misalignment and ensuring that the rotor does not experience wear during operation. The diameter allows it to “float” around the prop shaft, providing a reliable seal. Manufactured by PYI Inc., the PSS shaft seal is recognized for its value in eliminating over-bored shaft diameters and reducing maintenance needs. As the number one selling marine mechanical seal worldwide, it is installed as standard equipment by many of the world's most reputable boat builders. The seal is available in various sizes, such as 95mm and 100mm, and is also recognized as the premiere retrofit solution, highlighting the advantages and value of installing PSS shaft seals in both new and existing boats.
What are the primary components included in the PSS Shaft Seal maintenance kits?
The primary components included in the PSS Shaft Seal maintenance kits are designed to ensure optimal performance and longevity of the mechanical seal. These kits typically include replacement O-rings that rotate with the shaft, a stainless steel rotor that fits on the shaft in front of the carbon flange, and a bellow that is secured to the shaft to compensate for compression, misalignment, and vibration problems. Additionally, the maintenance kits contain parts that create a watertight seal between the flat surfaces of the rotating stainless steel rotor and the stationary carbon flange, ensuring consistent pre-load and reducing wear during operation.
Around the shaft and thus compensating for various issues, the PSS Type B shaft seal features O-rings that rotate with the shaft, ensuring a tight seal. The PSS is designed to compensate for shaft diameter variations, allowing for retrofit applications. The seal is created between the flat surfaces of the rotating stainless steel rotor and the stationary carbon flange, which is attached to the shaft to thus compensate for most misalignment. The rotor is fit with a 20mm or 150mm recess, ensuring that it does not experience wear during operation. The gland and other components work together to provide a reliable and long-lasting seal.
The PSS shaft seal system utilizes O-rings that rotate with the shaft, allowing the seal to compensate for any misalignment. This design enables the rotor to maintain constant contact with the stationary carbon flange, ensuring that the rotor does not experience wear during operation. The diameter of the shaft seal allows it to "float," accommodating various shaft diameters. Manufactured by PYI Inc., the PSS shaft seal eliminates the need for constant maintenance and is recognized as the number one selling marine mechanical seal worldwide. It is installed as standard equipment by many of the world’s most reputable boat builders, highlighting the value of installing the PSS shaft seal for reliable and long-lasting performance. The seal’s design includes two flat faces—one on the rotating stainless steel rotor and the other on the stationary carbon flange—ensuring a secure fit. Additionally, the PSS shaft seal is known for its ease of installation, cost-effectiveness, and reliable aftermarket support, making it a trusted choice in the marine industry.
What is the function of the hose in a PSS shaft seal system?
The function of the hose in a PSS shaft seal system is to create a watertight barrier around the shaft, thus compensating for any misalignment and allowing the shaft to "float." The hose is fit over the stern tube and secured with hose clamps, providing flexibility and eliminating the need for constant adjustment. This design ensures the stainless-steel rotor and stationary carbon flange maintain flat surfaces, allowing the o-rings to rotate with the shaft and prevent wear during operation. The PSS shaft seal is also recognized for its reliability in marine environments.
In addition, the PSS shaft seal system includes o-rings that rotate with the shaft, enhancing the seal's durability by ensuring consistent contact. The system is designed to compensate for various shaft diameters, allowing for a customizable fit. The stationary carbon flange is attached to the rotor, which does not experience wear during operation, further extending the system's lifespan. This comprehensive design ensures the PSS shaft seal maintains its integrity, providing a reliable solution for maintaining a watertight seal in challenging marine conditions.
The PSS shaft seal’s innovative design allows the o-rings to rotate with the shaft, ensuring the seal compensates for any misalignment. The rotor and stationary carbon flange do not experience wear during operation, maintaining a durable and effective seal. This ability to compensate for shaft diameter variations, combined with the reliable performance of the PSS shaft seal, highlights the value of using this system in marine applications. The PSS shaft seal is designed to provide a long-lasting, watertight solution, making it a preferred choice for many of the world's most reputable boat builders and marine professionals.