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 11-FA1-00SB Floor Anchor Starter Kit is designed for stability and security in flooring projects, accommodating floor boards from 7/8” to 1¼” thick with durable brass construction for long-lasting performance. |
Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The PSS 11-FA1-34S Floor Anchor Kit includes specialized countersink bits and four durable ground anchors for board thicknesses of 13 to 19 mm, along with a user manual. Made from stainless steel, this comprehensive set ensures reliable and secure anchoring. |
Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The PSS 11-FA1-34SB Floor Anchor Kit includes a specialized countersink drill, necessary bits, and four durable ground anchors for board thicknesses of 13mm to 19mm, all accompanied by detailed operating instructions. Made from sturdy brass, this kit ensures long-lasting performance and reliability for your anchoring needs. |
Our managers will contact you and clarify the terms of the order
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1-2 weeks delivery time Price incl. 19% VAT The PSS 11-FAO-34B Floor Anchor Kit is made from durable brass, ensuring reliability for various applications. It accommodates board thicknesses from 13 mm to 19 mm, making it versatile for both residential and commercial use. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS CJ516.25C Protective Caps are designed to enhance the longevity of hose clamps, including 25 durable caps that fit 5/16" (8mm) clamps. Perfect for marine and automotive use, they protect hoses from dirt and moisture while ensuring a secure fit and easy installation. |
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-25MK is a durable and efficient stainless steel rotor designed for a 25 mm shaft, constructed from 316L stainless steel for excellent corrosion resistance. Engineered with precision using computer-controlled lathes, it features a number 9 micro finish and is fastened securely with set screws at 90 degrees to prevent run-out. The rotor is initially polished by a carbon stator to enhance performance, ensuring a long lifespan under regular operating conditions without the need for frequent replacement. |
€ 147,77
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-114-134-KIT is a crucial maintenance kit for 1 1/4" shafts, designed to ensure the optimal performance and longevity of your marine sealing system. It includes essential components such as a bellows, nitrile o-rings, set screws, hose clamps, a tube of thread lock, and an Allen key. Regular inspection and maintenance, particularly every six years for the bellows, is recommended to prevent wear and damage. The kit is compatible with a shaft diameter of 1-1/4" and can accommodate stern tube diameters between 1-3/4" and 1-7/8". |
€ 168,96
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-25M-134-KIT is a comprehensive maintenance kit for 25 mm shafts, designed to enhance the longevity and reliability of your PSS bellows system. It includes essential replacement parts such as one bellows, two nitrile o-rings, five set screws, four hose clamps, a tube of thread lock, and an Allen key. Regular inspection and replacement of bellows every six years, along with o-rings, set screws, and hose clamps, are recommended to prevent wear and degradation. |
€ 127,83
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-45MK is a durable stainless steel rotor made from high-grade 316L stainless steel, designed to securely fit on a 45 mm shaft. It features set screws for optimal holding power and is crafted with precision, ensuring each face is finished to a number 9 micro standard and perfectly perpendicular to eliminate run-out. The rotor, which is part of the PSS Shaft Seal system, benefits from a Carbon Stator that polishes its face during initial operation, providing long-lasting performance without the need for replacement. |
€ 250,80
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1-2 weeks delivery time Price incl. 19% VAT The PSS Maintenance Kit for 3 1/4 Shaft is essential for ensuring the performance and longevity of your vessel’s sealing system. Regular maintenance, including the inspection and replacement of bellows every 6 years, is crucial to avoid wear and deterioration. The kit includes a bellows, nitrile o-rings, set screws, hose clamps, a tube of thread lock, and an Allen key, providing everything needed for effective maintenance. Part #: 07-200-314R is designed for a shaft diameter of 2" and a stern tube diameter of 3-1/4" to 3-3/8". |
€ 205,08
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-50M-334-KIT is a maintenance kit for vessels with a 50 mm shaft, providing essential components like bellows, o-rings, set screws, and hose clamps to ensure the proper function of the PSS Shaft Seal. It is recommended to replace the bellows every 6 years, along with the o-rings and set screws during maintenance, to avoid deterioration. The carbon stator and stainless steel rotor usually do not require replacement, and the kit includes new set screws to ensure proper sealing after adjustments. |
€ 408,07
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-30M-200-KIT is a maintenance kit specifically designed for 30 mm shafts, essential for ensuring optimal performance and longevity through regular inspections and maintenance. It includes key components such as a bellows, nitrile O-rings, screws, hose clamps, a thread lock tube, and an Allen key. PSS recommends replacing the bellows every six years and emphasizes the need for more frequent inspections in certain environments. The kit also contains important notes regarding the use of locking screws and precautions related to sulfuric acid exposure. The part number is 07-30M-200R, suitable for stern tube diameters from 2" to 2-1/8". |
€ 127,83
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-30M-214-KIT is a maintenance kit designed for 30 mm shafts, crucial for ensuring optimal performance and longevity of PSS bellows. It includes a bellows, nitrile O-rings, screws, hose clamps, thread lock, and an Allen key, facilitating comprehensive maintenance with recommended replacements every six years. Regular inspections are essential, especially in environments with potential chemical exposure, and it is important to use each lock screw only once for secure installation. |
€ 127,83
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-25M-200-KIT is a maintenance kit designed for 25 mm shafts, providing essential components for regular upkeep to ensure optimal performance and longevity, particularly for rubber and silicone parts in water applications. Routine inspections of the PSS bellows are crucial, with recommendations to replace them every six years, along with o-rings, set screws, and hose clamps. The kit includes one bellows, two nitrile o-rings, five set screws, four hose clamps, a tube of thread lock, and an Allen key. |
€ 127,83
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-35MK is a high-performance stainless steel rotor designed for 35 mm shafts, featuring durable construction and precision tolerances achieved through computer-controlled lathes. It securely fastens with set screws at 90 degrees and has a micro finish that minimizes run-out. Enhanced by a Carbon Stator during operation, the rotor requires minimal replacement due to its robust 316L stainless steel design, making it suitable for various applications. |
€ 201,26
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-50M-234-KIT is a maintenance kit designed for a 50 mm shaft, providing essential replacement parts to maintain the PSS Shaft Seal. The kit includes bellows, o-rings, set screws, hose clamps, thread lock, and an Allen key. PSS Seal recommends replacing the bellows every six years, along with the o-rings and set screws, to prevent wear and ensure proper sealing. Reusing set screws is not advised, as they may not lock properly after being used. |
€ 205,08
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-50M-300-KIT is a maintenance kit for 50 mm shafts that includes essential components such as bellows, o-rings, set screws, hose clamps, thread lock, and an Allen key. PSS recommends replacing the bellows every six years, along with the set screws and o-rings, to maintain the system's performance. Re-using set screws is discouraged as they may not lock onto the shaft properly after adjustment or removal. The kit ensures all necessary parts are provided for proper upkeep of the PSS Shaft Seal system. |
€ 205,08
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1-2 weeks delivery time Price incl. 19% VAT The PSS 07-200-300-KIT is a comprehensive maintenance kit specifically designed for 2" shaft systems, essential for ensuring optimal performance through regular upkeep. It includes critical components such as a bellows, nitrile o-rings, set screws, hose clamps, a tube of thread lock, and an Allen key, all necessary for effective maintenance and replacement every six years. This kit is vital for inspecting and maintaining the integrity of the PSS bellows, as they are made from rubber or silicone and located below the waterline. |
€ 205,08
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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.