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 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. |
$ 1.965,96
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1-2 weeks delivery time 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. |
$ 4.824,24
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1-2 weeks delivery time 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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$ 0,86
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1-2 weeks delivery time 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. |
$ 1,07
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1-2 weeks delivery time 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. |
$ 390,47
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1-2 weeks delivery time The PSS 07-138-1 Carbon Graphite Stator Flange is a high-quality component designed for PSS propeller shaft seals. It pairs with a rotating stainless steel 316 rotor to form a reliable mechanical seal. The stationary graphite stator attaches to the rubber bellows and is intentionally bored larger than the shaft diameter to handle misalignment and vibration issues, ensuring effective sealing and durability.
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$ 467,67
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1-2 weeks delivery time The PSS 07-138-2 Carbon Graphite Stator Flange is designed for PSS propeller shaft seals, creating a mechanical seal with a stainless steel 316 rotor. It attaches to the rubber bellows and is purposely bored larger than the shaft diameter to handle misalignment and vibration. |
$ 537,83
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1-2 weeks delivery time The PSS 07-200-2 is a durable carbon graphite stator flange designed for PSS propeller shaft seals. When paired with a stainless steel 316 rotor, it creates a reliable mechanical seal. Its larger bore accommodates misalignment and vibration, ensuring optimal performance and longevity in marine applications. |
$ 459,41
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1-2 weeks delivery time The PSS 07-214-2 Carbon Graphite Stator Flange is crucial for PSS propeller shaft seals, creating a mechanical seal with a stainless steel 316 rotor. It securely connects to rubber bellows and features a bore larger than the shaft diameter to accommodate misalignment and vibration issues. |
$ 868,06
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1-2 weeks delivery time The PSS 07-30M-134-KIT is a maintenance kit for 30mm shafts, essential for ensuring the longevity of your PSS Shaft Seal system. Regular inspections of the PSS bellows for wear and replacement every six years are recommended, along with changing the o-rings, set screws, and hose clamps. The kit includes all necessary replacement parts, and re-using the cup-point set screws is not advisable, as it may prevent proper locking; five new set screws are provided in the kit. |
$ 206,82
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1-2 weeks delivery time The PSS 07-40M-200 Maintenance Kit is essential for maintaining your 40mm shaft seal system, including a bellows that should be replaced every six years, along with o-rings, set screws, and hose clamps. Regular inspection is vital to prevent wear and deterioration, and the kit contains all necessary replacement parts, including five new set screws, as reused set screws may not lock properly onto the shaft. |
$ 270,35
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1-2 weeks delivery time The PSS 07-40M-212-KIT is a maintenance kit for 40mm shafts, designed to ensure the longevity of the PSS shaft seal system. It includes a bellows, nitrile o-rings, set screws, hose clamps, thread lock, and an Allen key. Regular inspection and replacement of the bellows every six years, along with the o-rings and set screws, are recommended to maintain optimal performance. Re-using set screws is not advisable, as they need to securely grip the shaft, and the kit provides new ones for this purpose. |
$ 339,84
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1-2 weeks delivery time The PSS 07-40M-214-KIT is essential for maintaining the integrity of your shaft seal system, featuring a bellows that should be inspected regularly and replaced every six years. The kit includes all necessary parts such as nitrile o-rings, set screws, hose clamps, a tube of thread lock, and an Allen key. Reusing the set screws is not recommended, as they are designed for a secure grip and should be replaced with the new ones provided in the kit. |
$ 339,84
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1-2 weeks delivery time The PSS 07-50M is a durable stainless steel rotor for a 50mm shaft, designed for maximum holding power with secure set screws. Made from 316L stainless steel, it features precise tolerances and a number 9 micro finish to prevent run-out. The Carbon Stator polishes the rotor during initial operation, ensuring longevity under normal conditions. |
$ 431,01
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1-2 weeks delivery time The PSS 07-90M-514-KIT is a maintenance kit for 90 mm shafts, designed to ensure the longevity of marine equipment. Regular inspection of the PSS PRO bellows is essential, with a recommendation for replacement every 8-10 years. The kit includes silicone bellows, nitrile o-rings, set screws, hose clamps, thread lock, and an Allen key, suitable for a shaft diameter of 90 mm and stern tube diameters of 5-1/4" to 5-3/8". |
$ 1.075,78
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1-2 weeks delivery time The PSS 07-B03-8 Nylon Connection Nipple is a durable fitting designed for PSS Shaft Seals, accommodating 1/4" and 3/8" hoses. Its lightweight design ensures easy installation while providing reliable performance in various applications, making it ideal for marine and fluid management projects. |
$ 22,57
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1-2 weeks delivery time The PSS 07-KIT-034 T-Kit simplifies the installation of the PSS Shaft Seal by providing essential components to connect the raw water discharge hose, enabling efficient water flow from pickup points like the heat exchanger, oil cooler, and water pump. It includes a T-fitting, 6 feet of 3/8" hose, and four hose clamps. |
$ 295,98
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1-2 weeks delivery time The PSS 07-KIT-100 is a vital installation kit for the PSS Shaft Seal, designed to simplify connecting the raw water discharge hose to the seal's hose barb fitting. It allows for easy t-ing into various water pick-up points, such as between the heat exchanger and riser, the oil cooler and heat exchanger, or the water pump and oil cooler. Each kit includes a T-fitting, 6 feet of 3/8" hose, and four hose clamps. |
$ 270,75
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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.