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 02-134-300 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that maintain constant contact to accommodate propeller thrust. The carbon flange is engineered to float around the shaft, compensating for misalignment and vibration, while two recessed O-rings ensure a tight seal without wear during operation. With a temperature range of 5°F to 225°F, a pressure limit of 15 PSI, and capable of handling shaft speeds up to 10,000 RPM, this seal is an efficient solution for stern tube diameters between 3" and 3 1/8". |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-134-312 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that ensures a leak-free connection between the shaft and stern tube. It includes a rotating stainless-steel rotor and a stationary carbon flange, with a pre-load mechanism that maintains contact for optimal performance. The carbon flange compensates for misalignment, while O-rings provide effective sealing, minimizing wear. This 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 various conditions. |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS - PYI Type A PSS Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellow against a stationary carbon flange to maintain a reliable seal. This design compensates for movement due to propeller thrust while allowing the carbon flange to float around the shaft, addressing misalignment and vibration. The seal operates within temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and shaft RPM limits of 10,000 RPM, ensuring durability and effective performance. |
€ 738,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS - PYI Type A PSS Shaft Seal is a mechanical face seal designed for marine use, featuring a stainless-steel rotor and a stationary carbon flange that maintain constant contact to accommodate propeller thrust. The carbon flange is oversized to allow for misalignment and vibration compensation, while two O-rings seal the rotor to the shaft, ensuring minimal wear. It operates within a temperature range of 5°F to 225°F, with a pressure limit of 15 PSI and can handle shaft speeds up to 10,000 RPM. |
€ 883,26
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1-2 weeks delivery time Price incl. 19% VAT The PSS - PYI Type A PSS Shaft Seal is a reliable mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that ensure a dripless operation. Its unique design accommodates shaft movement and misalignment, while two O-rings provide effective sealing with minimal wear. 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 engineered for durability and performance. |
€ 883,26
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-138-134 Dripless Shaft Seal is designed for marine applications, providing a reliable watertight seal for stern tubes and rudder shafts. It features a self-aligning carbon-graphite stator, a durable nitrile rubber bellow, and requires minimal maintenance. This seal reduces shaft wear, is unaffected by engine motion, and is backed by multiple certifications and a 3-year warranty, making it a trusted choice for many boat builders and the U.S. Coast Guard. |
€ 525,18
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-138-200 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellow to maintain a secure seal between the rotor and a stationary carbon flange. This design allows for compensation of shaft movement and misalignment, enhancing reliability. Key specifications include temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and a maximum shaft RPM of 10,000. |
€ 525,18
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-138-212 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that consists of a rotating stainless-steel rotor and a stationary carbon flange. This seal maintains constant contact to accommodate propeller thrust, compensates for misalignment and vibration, and ensures durability through its O-ring design. It operates effectively within temperature limits of 5°F to 225°F and supports a shaft RPM of up to 10,000, making it a reliable choice for stern tube sealing. |
€ 525,18
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1-2 weeks delivery time Price incl. 19% VAT The PSS - PYI Type A PSS Shaft Seal is an effective mechanical face seal for marine applications, utilizing a rotating stainless-steel rotor and a stationary carbon flange to maintain a reliable seal. This design allows for compensation of axial movements caused by propeller thrust while minimizing wear through O-rings that rotate with the shaft. The carbon flange can float around the shaft to address misalignment and vibration issues, ensuring optimal performance under various conditions. |
€ 525,18
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1-2 weeks delivery time Price incl. 19% VAT The PSS - PYI Type A PSS Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that create a secure sealing surface. The carbon flange floats around the shaft to accommodate misalignment, while O-rings ensure a durable seal without wear. 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 combines reliability and performance for effective thrust compensation. |
€ 588,84
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-138-300 Dripless Shaft Seal is a mechanical face seal designed for reliable performance in marine applications. It features a stainless-steel rotor that compresses a molded nitrile bellows, ensuring a secure fit over the stern tube while allowing for compensation of misalignment and vibration. This seal operates effectively within a temperature range of 5°F to 225°F and can handle pressures up to 15 PSI, making it suitable for shafts with a diameter of 1 3/8 inches. Its design minimizes wear, thanks to recessed O-rings that rotate with the shaft. |
€ 588,84
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-138-312 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a rotating stainless-steel rotor and a stationary carbon flange that create a reliable barrier against water. It accommodates shaft movement and misalignment through a unique floating design, while two recessed O-rings ensure long-lasting sealing without wear. With temperature limits of 5°F to 225°F and pressure limits of 15 PSI, this durable seal operates efficiently under demanding conditions. |
€ 588,84
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1-2 weeks delivery time Price incl. 19% VAT The PSS - PYI Type A PSS Shaft Seal is a mechanical face seal designed to maintain a tight seal between a rotating stainless-steel rotor and a stationary carbon flange. It features a bellow that compresses to ensure constant contact, accommodating variable movements from propeller thrust. The carbon flange allows for misalignment and vibration compensation, while recessed O-rings ensure durability by preventing wear during operation. This seal operates within temperature limits of 5°F to 225°F and can handle pressures up to 15 PSI and shaft speeds of 10,000 RPM. |
€ 588,84
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-140M-612 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that prevents leaks by creating a sealing surface between a rotating stainless-steel rotor and a stationary carbon flange. This seal accommodates propeller thrust movements and compensates for misalignment and vibration, ensuring reliable performance. With temperature limits from -13°F to 425°F, pressure limits of 50 PSI, and a robust construction, it is optimized for durability and efficiency in demanding environments. |
€ 9.456,13
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-140M-634 is a dripless shaft seal designed for marine use, featuring a mechanical face seal with a stainless-steel rotor and carbon flange. It effectively prevents water entry while allowing for movement due to propeller thrust. The seal can accommodate misalignment and vibration, with temperature limits from -13°F to 425°F, pressure limits of 50 PSI, and a maximum shaft RPM of 7,000. Its construction includes durable materials like mandrel-formed silicone and precision-lapped carbon graphite. |
€ 9.456,13
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-140M-700 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange. It ensures reliable sealing by maintaining constant contact between the rotor and flange, compensating for propeller thrust and misalignments. The seal operates effectively across a wide temperature range and is designed to endure high pressures and shaft RPMs, making it a durable choice for stern tube applications. |
€ 9.456,13
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-140M-712 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that create a reliable sealing surface. The rotor compresses the bellows, maintaining constant contact and allowing for adjustments due to propeller thrust, while the carbon flange floats around the shaft to compensate for misalignment and vibration. It operates effectively within a temperature range of -13°F to 425°F and is sealed with two rotating O-rings for durability. |
€ 9.456,13
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-140M-714 Dripless Shaft Seal is a reliable marine solution designed to prevent leaks. It features a mechanical face seal where a rotating stainless-steel rotor compresses a bellows against a stationary carbon flange, allowing for flexibility and compensation for movement due to propeller thrust. This design accommodates misalignment and vibration, ensuring durability and effective sealing under various conditions. With a temperature range of -13°F to 425°F and the ability to handle up to 7,000 RPM, it is built for performance in demanding environments. |
€ 9.456,13
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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.