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 02-85M-500 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange. It maintains constant contact through pre-load compression, compensating for propeller thrust and shaft misalignment. The carbon flange floats around the shaft, while O-rings ensure a wear-free seal. With a temperature range of 5°F to 225°F and pressure limits of 15 PSI, this seal is built for durability and reliability in demanding environments. |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-85M-512 Dripless Shaft Seal is a mechanical face seal designed for marine use, featuring a stainless-steel rotor and carbon flange to create a reliable seal. It compensates for shaft misalignment, vibration, and movement caused by propeller thrust, ensuring consistent performance. With temperature limits ranging from 5°F to 225°F and pressure limits of 15 PSI, it operates at up to 10,000 RPM. The seal is made from durable materials, including 316 stainless steel and molded nitrile, providing a long-lasting solution for stern tube sealing. |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-85M-514 Dripless Shaft Seal is designed for marine applications, providing a reliable leak-free seal for stern tubes. Its mechanical face seal consists of a stainless-steel rotor and a carbon flange, ensuring effective sealing even with shaft movement. The rotor's pre-compression maintains contact with the flange, accommodating vibrations and misalignment. Made of durable materials, the seal operates within a temperature range of 5°F to 225°F and supports shaft speeds up to 10,000 RPM. Key dimensions include an 85mm shaft diameter and compatibility with stern tube sizes from 5-1/4" to 5-3/8".
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€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-85M-534 Dripless Shaft Seal is engineered for marine reliability, featuring a mechanical face seal with a stainless-steel rotor and a carbon flange that minimizes wear while ensuring optimal sealing. It accommodates shaft movements and misalignment with a unique design that allows the carbon flange to float, complemented by O-rings for secure sealing. The seal operates within temperature limits of 5°F to 225°F, a pressure limit of 15 PSI, and at shaft speeds up to 10,000 RPM, making it suitable for demanding marine conditions. Key specifications include an 85mm shaft diameter and compatibility with stern tube diameters from 5-3/4" to 5-7/8". |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-85M-600 is a dripless shaft seal designed for marine applications, using a mechanical face seal between a stainless-steel rotor and a carbon flange. The system compensates for shaft misalignment and vibration while maintaining constant contact through pre-loaded compression. Its carbon flange floats around the shaft, while O-rings seal the rotor without wear. The seal operates within temperature limits of 5°F to 225°F and pressure limits of 15 PSI, handling up to 10,000 RPM. It features molded nitrile PVC bellows, and its dimensions are optimized for 85mm shafts and 6" stern tubes. |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-85M-612 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal with a stainless-steel rotor and a stationary carbon flange, ensuring reliable sealing under varying conditions. It accommodates shaft movement and compensates for 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. The carbon graphite is lapped to a precise tolerance, while the bellows are made from molded Nitrile - PVC, suitable for shafts with an 85 mm diameter and stern tubes measuring 6 1/2" to 6 5/8". |
€ 3.732,01
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-85M-614 Dripless Shaft Seal is a mechanical face seal designed for marine applications, using a stainless-steel rotor and carbon flange to create a reliable sealing surface. The rotor compresses the bellows and is secured to the shaft, maintaining constant contact with the flange to handle propeller thrust. Its design compensates for misalignment and vibration, with temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and a shaft RPM limit of 10,000. The bellows are made of molded nitrile-PVC, and the shaft and stern tube diameters are 85 mm and 6 1/4" to 6 3/8", respectively. |
€ 3.732,01
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-85M-634 Dripless Shaft Seal is a mechanical face seal designed for marine applications, utilizing a stainless-steel rotor and a carbon flange for an effective sealing surface. It features a flexible bellows secured with hose clamps, accommodating misalignments and vibrations for enhanced performance while maintaining a tight seal. With a temperature range of 5°F to 225°F, pressure limit of 15 PSI, and capable of withstanding shaft speeds up to 10,000 RPM, it ensures durability and reliability. Suitable for shafts with a diameter of 85 mm and stern tube diameters between 6 3/4" and 6 7/8", it incorporates high-quality materials like molded nitrile and stainless steel. |
€ 3.732,01
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-85M-700 Dripless Shaft Seal is a mechanical face seal designed for marine use, featuring a stainless-steel rotor and carbon flange to create a sealing surface. The bellows maintain constant contact between the rotor and flange, compensating for shaft movement and misalignment. O-rings ensure no wear during operation, and the seal operates within temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and shaft speeds up to 10,000 RPM. It is made from durable materials like carbon graphite, 316SS, Nitronic 50, and molded Nitrile-PVC, with a shaft diameter of 85 mm and stern tube diameter of 7" to 7 1/8". |
€ 3.732,01
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-412 is a dripless shaft seal designed for stern tubes with a 90 mm diameter, utilizing a mechanical face seal system for reliable sealing. It features a stainless-steel rotor and a carbon flange that ensures effective sealing through constant contact, while its bellows accommodate changes in shaft position for enhanced durability. The seal incorporates two O-rings to minimize wear and is constructed with materials suitable for temperatures ranging from 5°F to 225°F and pressures up to 15 PSI. Its specifications include a stern tube diameter of 4-1/2" to 4-5/8" and a shaft RPM limit of 10,000 RPM. |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-434 Dripless Shaft Seal is a mechanical face seal designed for marine applications. It features a stainless-steel rotor and carbon flange that work together to create a tight seal, compensating for shaft movement, misalignment, and vibration. The seal is durable, with temperature limits from 5°F to 225°F, pressure limits up to 15 PSI, and a shaft RPM limit of 10,000. It uses nitrile PVC bellows and precision-engineered components to ensure reliable, dripless performance. |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-500 is an efficient dripless shaft seal designed for a 90 mm stern tube, featuring a mechanical face seal with a rotating stainless-steel rotor and a stationary carbon flange. The seal utilizes a robust bellows securely attached with hose clamps, ensuring stability and accommodating propeller thrust's forward and backward movement. Designed to manage misalignment and vibration, the carbon flange floats over the shaft diameter and maintains constant contact with the rotor, which is secured with two O-rings for durability. This seal operates within temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and shaft RPM limits of 10,000 RPM. |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-512 is a state-of-the-art dripless shaft seal designed for maritime use, ensuring water tightness while accommodating the movements of a stern tube. Operating as a mechanical face seal, it features a rotating stainless-steel rotor and a stationary carbon flange, with a flexible bellows that mitigates misalignment and vibration. Key specifications include a temperature range of 5°F to 225°F, pressure limits of 15 PSI, and a maximum shaft RPM of 10,000. It is compatible with a 90mm shaft diameter and stern tube diameters from 5-1/2" to 5-5/8", making it a reliable choice for boat propulsion systems. |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-514 Dripless Shaft Seal is a reliable sealing solution for stern tube systems, featuring a mechanical face seal with a stainless-steel rotor and stationary carbon flange. Designed for optimal performance, it accommodates fore and aft movements due to propeller thrust and allows for misalignment and vibration issues. The seal operates within temperature limits of 5°F to 225°F, a pressure limit of 15 PSI, and up to 10,000 RPM. Key specifications include a 90mm shaft diameter and compatibility with stern tubes ranging from 5-1/4" to 5-3/8". |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-534 Dripless Shaft Seal is designed for stern tube applications, accommodating a 90 mm shaft diameter and stern tube sizes from 5-3/4 to 5-7/8 inches. Utilizing a mechanical face seal with a stainless-steel rotor and a stationary carbon flange, it maintains a watertight seal while allowing for shaft movement due to propeller thrust. The innovative design features a floating carbon flange that adjusts to misalignments and vibrations, with set screws reinforcing the rotor connection and O-rings ensuring durability. It can operate within temperature limits of 5°F to 225°F, 15 PSI pressure limits, and up to 10,000 RPM. |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-600 Dripless Shaft Seal is a reliable solution for stern tubes in marine applications, featuring a mechanical face seal design that includes a stainless-steel rotor and a stationary carbon flange. This seal minimizes wear and maintains functionality under varying conditions, accommodating misalignments and vibrations. It operates effectively within temperature limits of 5°F to 225°F and pressure limits of 15 PSI, supporting shaft speeds up to 10,000 RPM. The seal is constructed with high-quality materials, including molded nitrile for the bellows, ensuring durability and performance. Specifications include a shaft diameter of 90mm and compatibility with stern tube diameters from 6" to 6-1/8". |
€ 2.643,57
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-612 is a high-performance dripless shaft seal designed for stern tubes, featuring a mechanical face seal mechanism between a rotating stainless-steel rotor and a stationary carbon flange. This innovative design allows for effective sealing under varying conditions while accommodating shaft misalignment and vibration. It operates within a temperature range of 5°F to 225°F (-15°C to 107°C), with a pressure limit of 15 PSI and a maximum shaft RPM of 10,000. Compatible with shaft diameters of 90 mm and stern tubes from 6 1/2 inches to 6 5/8 inches, the seal's robust construction ensures reliability and durability in challenging marine |
€ 3.732,01
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-90M-614 Dripless Shaft Seal is engineered for marine applications, featuring a mechanical face seal that combines a stainless-steel rotor with a stationary carbon flange to provide reliable sealing. Its design includes pre-compressed bellows that maintain constant contact and compensate for misalignment and vibration. Key specifications include a temperature range of 5°F to 225°F, a pressure limit of 15 PSI, and suitability for shaft RPMs up to 10,000. This seal is compatible with shaft diameters of 90 mm and stern tube diameters of 6 1/4" to 6 3/8". |
€ 3.732,01
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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.