Experience peace of mind and worry-free boating with PSS Shaft Seals, the trusted choice of boat owners and professionals worldwide.
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-634 Dripless Shaft Seal is a high-performance marine seal designed to prevent leaks and handle propeller thrust while accommodating misalignment and vibration. It features a mechanical face seal with a stainless-steel rotor and a stationary carbon flange securely attached to the bellows over the stern tube. This innovative design allows for constant contact and effective sealing through two recessed O-rings. With a temperature limit of 5°F to 225°F, a pressure limit of 15 PSI, and a shaft RPM limit of 10,000, this seal is built for durability and reliability, fitting shaft diameters of 90 mm and stern tube diameters between 6 3/4" and 6 7/8". |
€ 3.732,01
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-700 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that uses a rotating stainless-steel rotor and a stationary carbon flange for effective sealing. The carbon flange, attached to the bellows, fits over the stern tube to ensure a leak-proof seal while allowing for movement and compensation for misalignment. It includes durable O-rings that reduce wear, operates within a temperature range of 5°F to 225°F, withstands pressures up to 15 PSI, and supports shaft RPMs up to 10,000. The product is crafted with high precision, utilizing molded Nitrile-PVC for the bellows and offering a shaft diameter of 90 mm, suitable for stern tube diameters of 7" to 7 1/8". |
€ 3.732,01
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-412 Dripless Shaft Seal is a reliable solution for ensuring a watertight seal around your vessel's stern tube, featuring a mechanical face seal design with a stainless-steel rotor and stationary carbon flange. The seal accommodates misalignments and vibrations, is built for durability under high operational stress, and supports temperatures from 5°F to 225°F. It has a shaft diameter of 95 mm, fits stern tubes ranging from 4-1/2" to 4-5/8", and operates efficiently at shaft RPMs up to 10,000, making it an effective choice for boat maintenance. |
€ 3.222,74
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-434 Dripless Shaft Seal is designed for marine applications, offering reliable sealing through its mechanical face seal that consists of a stainless-steel rotor and a stationary carbon flange. The carbon flange adapts to variable shaft movements, ensuring optimal sealing performance while accommodating misalignments and vibrations. Key specifications include a temperature range of 5°F to 225°F, pressure limits of 15 PSI, and compatibility with shaft RPMs up to 10,000. The seal is suitable for shafts with a diameter of 95mm and stern tubes measuring between 4-3/4" and 4-7/8". |
€ 3.222,74
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-500 Dripless Shaft Seal is a high-performance marine seal designed for 95 mm shafts and 5" stern tubes. It features a mechanical face seal with a stationary carbon flange and a rotating stainless-steel rotor, ensuring leak-free operation and adaptability to propeller thrust. Its unique design allows for compensation of misalignments and vibrations, while O-rings prevent wear during use. With a temperature range of 5°F to 225°F, a pressure rating of 15 PSI, and a shaft RPM limit of 10,000 RPM, this durable seal enhances the functionality of stern tube systems. |
€ 3.222,74
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-512 Dripless Shaft Seal is a reliable, high-performance solution for preventing leaks in stern tubes, featuring a mechanical face seal that adapts to the movements of your vessel. With a stainless-steel rotor and a carbon flange, it maintains a tight seal even under varying conditions, while its design addresses misalignment and vibration issues. Key specifications include temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and compatibility with shaft diameters of 95mm and stern tubes of 5-1/2" to 5-5/8". Its body is constructed from durable materials, ensuring long-lasting performance for boating enthusiasts. |
€ 3.222,74
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-514 Dripless Shaft Seal is a high-performance marine seal designed for 95 mm shafts and 5 1/4" stern tubes. Utilizing a mechanical face sealing principle, it features a stainless-steel rotor and a carbon flange that work together to maintain a reliable seal under various conditions. The carbon flange, which is custom-fitted to the shaft diameter, helps manage misalignment and vibration through its floating design. It also includes two durable O-rings to minimize wear, while the seal operates within temperature limits of 5°F to 225°F and can handle pressure up to 15 PSI. Its robust design is built for longevity, making it an ideal choice for marine applications. |
€ 3.222,74
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-534 Dripless Shaft Seal is an advanced sealing solution for marine propulsion systems, offering durability and precision. It features a mechanical face seal formed between a stainless-steel rotor and a stationary carbon flange, allowing for adaptability to misalignment and vibration. With specifications that include a temperature range of 5°F to 225°F, pressure limits of 15 PSI, and a robust design accommodating shaft RPMs up to 10,000, this seal provides optimal performance. Its key dimensions include a shaft diameter of 95mm and compatibility with stern tubes ranging from 5-3/4" to 5-7/8". |
€ 3.222,74
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-600 Dripless Shaft Seal is a reliable marine component designed to prevent water leakage from the stern tube, featuring a mechanical face seal formed by a rotating stainless-steel rotor and a stationary carbon flange. With a unique over-bore design that allows the carbon flange to float around the shaft, it effectively compensates for misalignment and vibration, ensuring reliable operation. The seal operates within a temperature range of 5°F to 225°F and a shaft RPM limit of 10,000, making it suitable for various marine applications. Key specifications include a shaft diameter of 95mm and compatibility with stern tube diameters from 6" to 6-1/8". |
€ 3.222,74
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-612 Dripless Shaft Seal is a high-performance sealing solution for marine applications, designed for shaft diameters of 95 mm and stern tube diameters between 6 1/2" and 6 5/8". Its mechanical face seal features a stainless-steel rotor and a stationary carbon flange that work together to maintain a secure seal, accommodating misalignment and vibration. With temperature limits of 5°F to 225°F, a pressure limit of 15 PSI, and capable of handling up to 10,000 RPM, this durable seal is constructed with quality materials to ensure reliability in demanding environments. |
€ 3.962,78
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-614 Dripless Shaft Seal is a reliable and efficient sealing solution for marine applications, featuring a unique mechanical face seal design that prevents leaks and enhances vessel performance. It comprises a stationary carbon flange and a rotating stainless-steel rotor, which maintain contact to accommodate thrust variations. Designed to handle misalignment and vibrations, the carbon flange floats around the shaft, ensuring a secure fit. Key specifications include temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and a shaft diameter of 95 mm, suitable for stern tubes ranging from 6 1/4 inches to 6 3/8 inches. |
€ 3.962,78
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-634 is a cutting-edge dripless shaft seal designed for stern tubes, featuring a mechanical face seal that effectively prevents leaks. It utilizes a stainless-steel rotor and a floating carbon flange to accommodate misalignments and vibrations, ensuring a reliable connection despite variable movements. With a temperature range of 5°F to 225°F, pressure tolerance of 15 PSI, and the ability to operate at shaft speeds up to 10,000 RPM, this durable seal is compatible with shaft diameters of 95 mm and stern tube sizes from 6 3/4 inches to 6 7/8 inches. |
€ 3.962,78
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-95M-700 Dripless Shaft Seal is a high-performance mechanical face seal designed for maritime use, ensuring reliability and minimal maintenance. It features a unique construction where a stainless-steel rotor creates a sealing surface against a stationary carbon flange, adapting to movement caused by propeller thrust. The seal accommodates potential misalignment and vibration, with a snug fit on the stern tube secured by hose clamps. It operates within a temperature range of 5°F to 225°F, withstands pressures up to 15 PSI, and is suitable for shaft RPMs up to 10,000. This model is compatible with a shaft diameter of 95 mm and a stern tube diameter of 7" to 7 1/8". |
€ 3.962,78
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1-2 weeks delivery time Price incl. 19% VAT The PSS PRO Dripless Shaft Seal, designed for 1 3/4" shafts and 3" stern tubes, offers exceptional durability and performance in harsh marine environments. It features advanced stainless steel and carbon sealing components, a reinforced silicone bellows, and 316 Stainless Steel hose clamps. This mechanical face seal ensures reliable operation under high pressure and temperature conditions, with a sealing mechanism formed between a rotating stainless-steel rotor and a stationary carbon flange. The design accommodates shaft misalignment and vibration, making it a robust choice for demanding applications. |
€ 927,73
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1-2 weeks delivery time Price incl. 19% VAT The PSS 03-200-314 PRO Dripless Shaft Seal is a high-performance mechanical face seal designed for demanding environments, featuring stainless steel and carbon components, reinforced silicone bellows, and durable 316 stainless steel hose clamps. It provides a reliable sealing surface through a rotating stainless steel rotor and stationary carbon flange, accommodating axial movement caused by propeller thrust while compensating for misalignment and vibration. With a temperature range of -13°F to 425°F, pressure limits of 40 PSI, and shaft RPM limits of 10,000, this seal is ideal for various applications, ensuring durability and resistance in harsh conditions. |
€ 1.125,08
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1-2 weeks delivery time Price incl. 19% VAT The PSS PRO Dripless Shaft Seal (Part #: 03-314-600) is a high-performance mechanical sealing solution designed for extreme durability in harsh marine conditions. It features robust stainless steel and carbon components, a reinforced silicone bellows, and 316 Stainless Steel hose clamps. The seal employs a mechanical face seal mechanism, allowing for variable axial movement and compensation for misalignment. It is suitable for applications with temperature limits of -13°F to 425°F and pressure limits of 40 PSI, making it ideal for demanding stern tube environments. |
€ 3.259,26
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1-2 weeks delivery time Price incl. 19% VAT The PSS 03-50M-234 PRO Dripless Shaft Seal is designed for optimal performance in harsh marine conditions, featuring high-quality stainless steel and carbon components, along with a durable silicone bellows. This mechanical face seal utilizes a polished stainless steel rotor and a stationary carbon flange to create a secure seal while accommodating movement from propeller thrust. Key specifications include a temperature range of -13°F to 425°F, pressure limit of 40 PSI, and a shaft RPM limit of 10,000. It is suitable for shaft diameters of 50 mm and stern tube diameters between 2-3/4" and 2-7/8". |
€ 1.125,08
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1-2 weeks delivery time Price incl. 19% VAT The PSS 03-50M-314 PRO Dripless Shaft Seal is a high-performance sealing solution designed for durability in demanding marine environments. Featuring a robust mechanical face seal made of stainless steel and carbon, it includes a reinforced silicone bellows and a secondary shaft retention collar for added security. This shaft seal accommodates misalignments and vibrations, ensuring reliable sealing between the rotor and carbon flange, with O-rings that minimize wear. It operates efficiently under extreme temperatures, pressures, and speeds, making it ideal for stern tube applications. |
€ 1.125,08
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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.