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 03-60M-334 PRO Dripless Shaft Seal is designed for high performance in marine environments, featuring a mechanical face seal with stainless steel and carbon components, reinforced silicone bellows, and secure hose clamps. It accommodates axial movement from propeller thrust and compensates for misalignment and vibrations, while optional upgrades are available for corrosive conditions. With specifications including temperature limits of -13°F to 425°F and a shaft RPM limit of 10,000, this durable seal is suitable for a range of applications. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 03-60M-434 PRO Dripless Shaft Seal is a high-performance, reliable sealing solution designed for marine applications, featuring stainless steel and carbon components, a reinforced silicone bellow, and a secondary shaft retention collar for enhanced security. It employs nitrile o-rings and set screws to provide a leak-proof seal and keep the shaft secure, while raw water lubrication improves cooling in high-speed situations. This commercial-grade design includes options for increased corrosion resistance and is complemented by durable stainless steel reinforcement rings and reliable 316SS hose clamps. |
€ 1.409,41
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1-2 weeks delivery time Price incl. 19% VAT The PSS PRO Dripless Shaft Seal (Part #: 03-65M-400) is designed for reliable performance in marine applications, featuring advanced sealing technology with durable stainless steel, carbon components, and a robust silicone bellow. It includes nitrile o-rings for a secure seal, dual set screws for rotor attachment, and raw water lubrication. The design also incorporates a Shaft Retention Collar for added security and 316 stainless steel hose clamps for safety. It accommodates shaft diameters of 65 mm and stern tube diameters ranging from 4" to 4-1/8", making it ideal for harsh environments. |
€ 1.328,20
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1-2 weeks delivery time Price incl. 19% VAT The PSS 03-90M-514 is a high-performance dripless shaft seal designed for marine vessels, featuring durable stainless steel and carbon components, reinforced silicone bellow, and optional Nitronic 50 rotor for corrosive environments. It utilizes nitrile o-rings, a secure attachment mechanism, and a cooling water flow to ensure an effective seal. Designed for easy integration with existing PSS Type A Seals, it includes robust stainless steel hose clamps and various specifications for shaft and stern tube diameters, enhancing both reliability and performance in challenging marine applications. |
€ 3.259,26
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1-2 weeks delivery time Price incl. 19% VAT PSS 07-014 grub screws are designed for securing seals on shafts with diameters up to 35mm (1 1/4"), providing a reliable fit to prevent movement, making them suitable for various industrial and mechanical applications.
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€ 1,09
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-038 grub screws are precision-engineered components designed to securely fasten seals with shaft diameters ranging from 40mm to 1 1/2 inches, ensuring reliable sealing and performance in mechanical systems. |
€ 0,83
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-100 Stainless Steel Rotor is crafted from 316L stainless steel for durability and corrosion resistance. It is precision-engineered with a number 9 micro finish and secured to the shaft with set screws for maximum holding power. The rotor’s perpendicular faces to the bore minimize run-out, and its self-polishing feature ensures smooth operation under normal conditions, reducing the need for replacement. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-100-1 Carbon Graphite Stator Flange is designed for use with PSS propeller shaft seals. It creates a mechanical seal with a stainless steel 316 rotor and attaches to the rubber bellows. The stator is intentionally bored larger than the shaft diameter to handle misalignment and vibration. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-100-134 Maintenance Kit is designed for the upkeep of your PSS Shaft Seal, ensuring its longevity and performance. It includes one bellow, two o-rings, five set screws, four hose clamps, a tube of thread lock, and an Allen key. Regular inspection and replacement of the bellows every six years are recommended, along with replacing o-rings and set screws. Avoid reusing set screws and ensure they are replaced with new ones included in the kit. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-100-2 Carbon Graphite Stator Flange is compatible with shafts of 3/4", 20mm, 22mm, 7/8", 25mm, and 1". It includes a water inlet for improved functionality and is designed to provide durable and reliable performance across various applications. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-112 stainless steel rotor, designed for a 1 1/2" shaft, slides down the shaft and is secured with set screws for maximum holding power. Precision is achieved with computer-controlled lathes, and the rotor features a number 9 micro finish to prevent run-out. Constructed from 316L stainless steel, it typically does not need replacement under normal conditions and is polished by the Carbon Stator during initial operation. |
€ 303,37
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-112-1 Carbon Graphite Stator Flange is designed for use with PSS propeller shaft seals to create a mechanical seal when paired with a rotating stainless steel 316 rotor. This graphite stator attaches to the rubber bellows and features a larger bore than the shaft diameter to accommodate misalignment and vibration. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-112-2 Carbon Graphite Stator Flange, designed for PSS propeller shaft seals, forms a mechanical seal when paired with a stainless steel 316 rotor. This graphite stator, which attaches to the rubber bellows, features a larger bore than the shaft diameter to accommodate misalignment and vibration, ensuring reliable performance. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-112-234 Maintenance Kit includes all necessary components for maintaining your PSS Shaft Seal system, ensuring optimal performance. It features a bellows, nitrile o-rings, set screws, hose clamps, thread lock, and an Allen key. Regular replacement of the bellows every 6 years, along with the o-rings, set screws, and hose clamps, is recommended. Note that the kit includes five new cup-point set screws to ensure proper locking, as re-using old screws may result in inadequate securing. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-114 stainless steel rotor for 1 1/4" shafts is designed for durability and precision. Made from 316L stainless steel, it is secured with set screws at 90 degrees for strong holding power and features a precision micro finish to prevent run-out. The rotor’s surface is polished by the Carbon Stator during initial operation, and it is built to last under normal conditions. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-114-2 Carbon Graphite Stator Flange is designed for PSS propeller shaft seals, creating a mechanical seal when paired with a stainless steel 316 rotor. It attaches to rubber bellows and features a larger bore diameter to handle misalignment and vibration. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-114-214 Maintenance Kit is designed to ensure the proper upkeep of your shaft seal system. It includes bellows, nitrile o-rings, set screws, hose clamps, a tube of thread lock, and an Allen key. Regular inspection and replacement of these components every 6 years are essential for maintaining the system's integrity. The kit also highlights that set screws should not be reused, as they are cup-point set screws meant for a one-time secure fit. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-118-1 Carbon Graphite Stator Flange is designed to work with PSS propeller shaft seals, creating a mechanical seal when paired with a stainless steel 316 rotor. This stator attaches to the rubber bellows and features a bore diameter larger than the shaft diameter to handle misalignment and vibration issues. |
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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.