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 02-40M-300 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that maintains a secure, leak-free connection between the shaft and stern tube. Its stainless-steel rotor compresses a bellows to ensure consistent contact with a stationary carbon flange, adapting to movements caused by propeller thrust. The over-bored flange allows for compensation of misalignment and vibration, while two O-rings minimize wear during operation. This seal operates effectively within temperature limits of 5°F to 225°F and pressures up to 15 PSI. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-40M-312 Dripless Shaft Seal is a high-performance marine seal that uses a mechanical face design to create a reliable sealing surface between a stainless-steel rotor and a carbon flange. The rotor compresses a bellows, allowing for constant contact and compensating for movement from propeller thrust. Designed to handle temperatures from 5°F to 225°F and pressures up to 15 PSI, it features O-rings for durability and a design that accommodates misalignment and vibration. |
€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-40M-314 Dripless Shaft Seal is a high-performance sealing solution designed for marine applications, ensuring reliable operation and protection against water ingress. This mechanical face seal features a rotating stainless-steel rotor and a stationary carbon flange, accommodating shaft movements while preventing leaks. It is constructed from durable materials, offers a temperature range of 5°F to 225°F, and supports shaft RPM up to 10,000. The seal is compatible with 40 mm shaft diameters and stern tubes ranging from 3-1/4" to 3-3/8", making it an effective choice for various marine setups.
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€ 684,34
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-40M-334 Dripless Shaft Seal is a reliable marine component that features a mechanical face seal design, ensuring a watertight fit. It consists of a rotating stainless-steel rotor and a stationary carbon flange, allowing for effective compensation of shaft movement due to propeller thrust. The over-bored carbon flange reduces misalignment and vibration, while dual O-rings provide additional sealing, minimizing wear during operation. With a temperature range of 5°F to 225°F and a pressure limit of 15 PSI, this seal is engineered for high-performance applications. |
€ 740,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-40M-400 is a high-performance dripless shaft seal designed for marine applications, featuring a mechanical face seal that ensures reliable operation. It consists of a rotating stainless-steel rotor and a stationary carbon flange, which accommodate propeller thrust and misalignment. With a temperature range of 5°F to 225°F, pressure limits of 15 PSI, and a shaft RPM capacity of 10,000, this seal is robust and efficient, using durable materials like molded nitrile and stainless steel to enhance longevity. |
€ 740,04
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-412-512 Dripless Shaft Seal is a high-performance mechanical face seal designed for stern tube applications, utilizing a unique sealing mechanism between a rotating stainless-steel rotor and a stationary carbon flange to prevent leaks. The carbon flange is securely attached to the bellows, while the stainless-steel rotor maintains pressure to ensure optimal contact and accommodate movement from propeller thrust. Precision-engineered to address alignment and vibration issues, the seal can handle temperature limits between -13°F to 425°F, pressure up to 50 PSI, and shaft RPMs of 7,000. It fits shafts with a diameter of 4-1/2" and stern tubes from 5-1/2" to 5-5/8".
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€ 7.738,28
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-412-534 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellows for optimal sealing against stern tubes. It accommodates movement from propeller thrust and compensates for misalignment and vibration, ensuring reliable performance. With a temperature range of -13°F to 425°F and a pressure limit of 50 PSI, it is built for durability and efficiency. |
€ 7.738,28
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-412-600 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that work together to prevent water ingress. The rotor compresses the bellows to maintain contact with the flange, accommodating movement from propeller thrust while compensating for misalignment and vibrations. With temperature limits of -13°F to 425°F, a pressure rating of 50 PSI, and capable of handling up to 7,000 RPM, this robust seal ensures reliable performance in demanding conditions. |
€ 7.738,28
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-412-612 Dripless Shaft Seal is a reliable solution for marine stern tubes, designed to prevent water ingress while accommodating shaft movement. It employs a mechanical face seal with a stainless-steel rotor and a stationary carbon flange, ensuring watertight closure and flexibility for misalignment. The rotor is secured to the shaft with set screws and features O-rings for reduced wear. With a temperature range of -13°F to 425°F, pressure limits of 50 PSI, and a shaft RPM limit of 7,000, this durable seal is well-suited for various marine applications. Key specifications include a shaft diameter of 4-1/2" and a stern tube diameter of 6-1/2" to 6-5/8". |
€ 7.738,28
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-412-614 Dripless Shaft Seal is a high-performance marine seal designed to maintain a reliable connection between the rotating stainless-steel rotor and the stationary carbon flange. It effectively accommodates propeller thrust and misalignment due to its floating design, while the stainless-steel rotor is sealed against the shaft using durable O-rings. With a temperature range of -13°F to 425°F and a pressure limit of 50 PSI, this seal is engineered for exceptional durability and functionality in demanding conditions. |
€ 7.738,28
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-412-634 Dripless Shaft Seal is a mechanical face seal designed for stern tubes, featuring a rotating stainless-steel rotor and a stationary carbon flange. The rotor compresses a bellows to maintain constant contact, accommodating propeller thrust and compensating for misalignment and vibration. It operates within a temperature range of -13°F to 425°F and is built to withstand pressures up to 50 PSI, making it a reliable choice for marine applications. |
€ 7.738,28
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-412-700 Dripless Shaft Seal is designed for marine applications, providing a reliable seal for stern tubes while minimizing leaks. Featuring a mechanical face seal mechanism with a rotating stainless-steel rotor and stationary carbon flange, it ensures consistent contact and accommodates axial movement from propeller thrust. The carbon flange exceeds the shaft diameter for misalignment handling, and the rotor is secured with O-rings to prevent wear. With temperature limits from -13°F to 425°F, pressure limits of 50 PSI, and suitable for shaft diameters of 4-1/2" with stern tube diameters from 7" to 7-1/8", this seal is engineered for optimal performance.
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€ 7.738,28
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-414-512 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellows against a stationary carbon flange. This design allows for constant contact, compensating for propeller thrust and misalignment, while two O-rings ensure durability by rotating with the shaft. It operates within a temperature range of -13°F to 425°F and supports up to 7,000 RPM, making it a reliable choice for various conditions. |
€ 7.312,75
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-414-534 is a dripless shaft seal designed for marine applications, featuring a mechanical face seal that ensures reliable performance. It consists of a stainless-steel rotor and a stationary carbon flange, allowing for constant contact even with propeller thrust movement. The carbon flange can float around the shaft to accommodate misalignment and vibration, while two O-rings prevent wear during operation. With temperature limits of -13°F to 425°F and shaft RPM limits of 7,000, this seal is both durable and efficient. |
€ 7.312,75
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-414-600 Dripless Shaft Seal is an advanced mechanical face seal designed for marine use, providing a reliable and leak-free operation. It features a rotating stainless-steel rotor and a stationary carbon flange that ensure constant contact and adapt to shaft movement, with two O-rings preventing wear. Suitable for temperatures from -13°F to 425°F, it accommodates pressures up to 50 PSI and shaft RPMs of 7,000. Key specifications include a 4-1/4" shaft diameter, a stern tube diameter of 6" to 6-1/8", and an approximate length of 13.189".
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€ 7.312,75
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-414-612 Dripless Shaft Seal is designed for marine applications, providing reliable leak prevention around the stern tube. It features a mechanical face seal where a rotating stainless-steel rotor compresses a stationary carbon flange, allowing for adaptation to propeller thrust movement. The carbon flange floats over the shaft to accommodate misalignment and vibration, while two O-rings ensure a durable seal without wear. This product operates effectively within a temperature range of -13°F to 425°F and accommodates shaft speeds up to 7,000 RPM. |
€ 7.312,75
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-414-614 Dripless Shaft Seal is a mechanical face seal designed for stern tubes, featuring a rotating stainless-steel rotor and a stationary carbon flange. This design maintains constant contact, compensating for shaft movement due to propeller thrust. The carbon flange can float to address misalignment and vibration, while O-rings ensure a durable seal without wear. It operates effectively within a temperature range of -13°F to 425°F and can handle pressures up to 50 PSI, making it a reliable choice for marine applications. |
€ 7.312,75
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1-2 weeks delivery time Price incl. 19% VAT The PSS 02-414-634 Dripless Shaft Seal is designed for marine applications to prevent leaks while accommodating movement and vibration. Featuring a mechanical face seal with a stainless-steel rotor and a stationary carbon flange, it creates a secure connection between the shaft and the stern tube. Key specifications include temperature limits of -13°F to 425°F, pressure limits of 50 PSI, and a maximum shaft RPM of 7,000. The seal's over-bored carbon flange allows for alignment adjustments, and it accommodates shaft movements effectively, ensuring durable operation.
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€ 7.312,75
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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.