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 02-38M-214 Dripless Shaft Seal is a mechanical face seal designed for marine applications, preventing leakage while accommodating propeller shaft movement. It features a rotating stainless-steel rotor that compresses a bellows, ensuring constant contact with a stationary carbon flange. This design allows for flexibility in alignment and vibration management, with two O-rings providing effective sealing without wear. The seal operates within a temperature range of 5°F to 225°F and can handle pressures up to 15 PSI, making it a durable choice for marine environments. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-38M-234 Dripless Shaft Seal features a mechanical face design that creates a watertight barrier using a stainless-steel rotor and a stationary carbon flange. The rotor compresses a bellows, maintaining constant contact to adapt to propeller thrust and shaft movement, while an over-bored carbon flange allows for compensation of misalignment and vibration. With a temperature range of 5°F to 225°F and a pressure limit of 15 PSI, this durable seal ensures reliable performance in marine applications. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-38M-300 Dripless Shaft Seal features a stainless-steel rotor and a stationary carbon flange to create a reliable sealing surface for stern tubes. Designed to accommodate misalignment and vibration, it maintains constant contact through pre-loaded compression. With temperature limits from 5°F to 225°F, pressure limits of 15 PSI, and shaft RPM limits up to 10,000 RPM, this seal includes high-quality materials such as lapped carbon graphite and 316SS/Nitronic 50. It effectively manages wear with rotating O-rings and is suitable for a shaft diameter of 38mm and stern tube diameter from 3" to 3-1/8". |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-38M-312 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellows to maintain contact with a stationary carbon flange. This design accommodates propeller thrust and misalignment while ensuring durability through dual O-rings that minimize wear. It operates effectively within a temperature range of 5°F to 225°F and supports shaft speeds up to 10,000 RPM. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-38M-314 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a rotating stainless-steel rotor and a stationary carbon flange. It maintains watertight integrity by compressing a bellows that compensates for propeller thrust and misalignment. The seal operates effectively within a temperature range of 5°F to 225°F and supports up to 10,000 RPM, ensuring durability and minimal maintenance. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-38M-334 Dripless Shaft Seal is a mechanical face seal designed for marine applications. It features a stainless-steel rotor that compresses a bellows, maintaining constant contact with a stationary carbon flange. This design compensates for shaft movement and vibration while ensuring a tight seal. Key specifications include temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and shaft RPM limits of 10,000. The seal uses high-quality carbon graphite and stainless steel, with a molded nitrile PVC bellows for durability. |
€ 740,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-38M-400 Dripless Shaft Seal is a reliable mechanical seal designed for marine use, featuring a stainless-steel rotor that compresses a bellows to maintain constant contact with a carbon flange. This design accommodates fore and aft movement from propeller thrust and compensates for misalignment and vibration. With temperature limits from 5°F to 225°F and capable of handling pressures up to 15 PSI, this seal ensures durability and performance in demanding conditions. |
€ 740,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-400-512 Dripless Shaft Seal is a high-performance marine solution designed to prevent water ingress while accommodating propeller thrust movements. It features a mechanical face seal with a rotating stainless-steel rotor and a stationary carbon flange, ensuring reliable operation. The design allows for compensation of misalignment and vibration, while the seal is protected by O-rings that prevent wear. With a temperature range of -13°F to 425°F and capable of handling pressures up to 50 PSI, this shaft seal is engineered for durability and efficiency in demanding conditions. |
€ 6.906,42
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-400-534 Dripless Shaft Seal is a high-performance mechanical face seal designed for marine propulsion systems. It features a stainless-steel rotor and carbon flange that create a secure seal, while accommodating shaft movement and misalignment. The seal is robust against temperature variations from -13°F to 425°F, can handle pressures up to 50 PSI, and operates effectively at up to 7,000 RPM. Its innovative design includes features like floating carbon flanges and O-ring seals to ensure durability and reliability in demanding conditions. |
€ 6.906,42
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-400-600 Dripless Shaft Seal is a mechanical face seal designed for marine applications, ensuring reliable performance by maintaining constant contact between a rotating stainless-steel rotor and a stationary carbon flange. It accommodates propeller thrust and misalignment, featuring a floating carbon flange and O-rings that prevent wear during operation. With a temperature range of -13°F to 425°F and a maximum RPM of 7,000, this shaft seal is built for durability and efficiency. |
€ 6.906,42
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-400-612 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that prevents leaks between the stainless-steel rotor and stationary carbon flange. The carbon flange connects to the bellows, which fits over the stern tube. This setup allows for compensation of misalignment and vibration while maintaining constant contact due to rotor compression. With a temperature range of -13°F to 425°F, pressure limits of 50 PSI, and a maximum shaft RPM of 7,000, it is built for durability and reliability. |
€ 6.906,42
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-400-614 Dripless Shaft Seal is a high-performance mechanical face seal designed for marine applications. It ensures a reliable, watertight seal between the stern tube and shaft by compressing a bellows with a stainless-steel rotor and a carbon flange. This seal compensates for shaft movement and misalignment, and is built to handle temperatures from -13°F to 425°F, pressures up to 50 PSI, and shaft speeds up to 7,000 RPM, with components crafted for durability and minimal wear. |
€ 6.906,42
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-400-634 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that work together to maintain a secure seal while compensating for movement and misalignment. It operates effectively within temperature limits of -13°F to 425°F and pressure limits of 50 PSI, making it suitable for high-performance propulsion systems. |
€ 6.906,42
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-400-700 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that ensures optimal performance. It consists of a rotating stainless-steel rotor and a stationary carbon flange, maintaining constant contact to accommodate propeller thrust. The carbon flange's over-bored design allows for floating around the shaft, addressing misalignment and vibration. Sealing is achieved with two O-rings that minimize wear, and the seal operates within a temperature range of -13°F to 425°F and a pressure limit of 50 PSI. |
€ 6.906,42
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-40M-200 Dripless Shaft Seal is a mechanical face seal designed for marine use, featuring a stainless-steel rotor and carbon flange that create a reliable sealing surface. It accommodates variable movement and misalignment, with a pre-load compression system and two O-rings for effective sealing. Capable of withstanding temperatures from 5°F to 225°F and pressures up to 15 PSI, it supports shaft speeds up to 10,000 RPM, and its components are made from high-quality materials including lapped carbon graphite and faced stainless steel. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-40M-212 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a rotating stainless-steel rotor and a stationary carbon flange. This design allows for effective sealing by maintaining constant contact despite propeller thrust, accommodating misalignment and vibration. It operates within a temperature range of 5°F to 225°F and supports shaft speeds up to 10,000 RPM, ensuring durability and reliability in demanding environments. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-40M-214 Dripless Shaft Seal is designed for reliable marine performance, featuring a mechanical face seal that combines a rotating stainless-steel rotor with a stationary carbon flange. This design accommodates shaft movement while maintaining a secure seal, thanks to pre-loaded compression of the bellows and the ability of the carbon flange to float to address misalignment and vibration. With temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and a maximum shaft RPM of 10,000, this seal is built for durability and efficiency in demanding conditions. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-40M-234 Dripless Shaft Seal is designed for marine applications, providing reliable performance with its precision mechanical face sealing principle. It features a rotating stainless-steel rotor and a stationary carbon flange, ensuring effective sealing in demanding conditions. The seal accommodates propeller thrust with a pre-loaded design and is capable of absorbing misalignment and vibration. With a temperature range of 5°F to 225°F, pressure limits of 15 PSI, and a shaft RPM limit of 10,000, this seal is built for durability and longevity, making it an ideal choice for stern tube applications.
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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.