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 02-115M-614 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a rotating stainless-steel rotor and a stationary carbon flange that work together to prevent leaks. The seal accommodates shaft movement and misalignment through its innovative design, including a compressible bellow and O-rings that minimize wear during operation. It operates effectively within a temperature range of -13°F to 425°F and can handle pressures up to 3.5 BAR while supporting shaft speeds of 7,000 rpm. |
$ 12,869.81
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1-2 weeks delivery time The PSS 02-115M-634 Dripless Shaft Seal is a high-performance mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that create a reliable sealing surface. This design allows for effective compensation of propeller thrust-related movements and misalignment, while two O-rings ensure minimal wear during operation. It operates within temperature limits of -13°F to 425°F and can handle pressures up to 50 PSI, making it suitable for demanding conditions. |
$ 12,869.81
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1-2 weeks delivery time The PSS 02-115M-700 Dripless Shaft Seal is a reliable mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellows for optimal sealing. This design allows for efficient compensation of axial movement from propeller thrust while ensuring longevity through O-rings that rotate without wear. It operates effectively under extreme temperatures (-13°F to 425°F) and pressures (up to 50 PSI), making it suitable for challenging marine environments. |
$ 12,869.81
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1-2 weeks delivery time The PSS - PYI Type A PSS Shaft Seal is a mechanical face seal designed for marine applications, featuring a rotating stainless-steel rotor and a stationary carbon flange that maintain constant contact to compensate for propeller thrust. The carbon flange floats around the shaft to accommodate misalignments, while two O-rings ensure sealing integrity without wear. It operates within a temperature range of 5°F to 225°F and can handle pressures up to 15 PSI, with a maximum shaft RPM of 10,000. |
$ 602.79
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1-2 weeks delivery time The PSS - PYI Type A PSS Shaft Seal is a mechanical face seal that features a rotating stainless-steel rotor and a stationary carbon flange, ensuring a reliable seal in marine environments. The rotor compresses the bellow to maintain consistent contact with the flange, accommodating movements from propeller thrust. Designed for flexibility, the over-bored carbon flange compensates for misalignment and vibrations, while two O-rings provide effective sealing without wear. Key specifications include temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and a maximum shaft RPM of 10,000. |
$ 602.79
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1-2 weeks delivery time The PSS 02-118-134 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a carbon flange that work together to maintain a reliable seal. The rotor compresses a bellow, allowing for compensation of propeller thrust and misalignment, while O-rings ensure minimal wear. With a temperature range of 5°F to 225°F and a pressure limit of 15 PSI, it is engineered for high performance, accommodating shaft diameters of 1 1/8" and stern tube diameters from 1 3/4" to 1 7/8". |
$ 602.79
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1-2 weeks delivery time The PSS 02-118-200 Dripless Shaft Seal is a mechanical face seal designed for marine applications. It features a stainless-steel rotor that compresses a molded nitrile bellow against a stationary carbon flange, ensuring constant contact and compensating for shaft movement due to propeller thrust. The carbon flange allows for floating alignment, reducing misalignment and vibration issues. This seal operates effectively within a temperature range of 5°F to 225°F, with a maximum pressure limit of 15 PSI and shaft speeds up to 10,000 RPM. |
$ 602.79
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1-2 weeks delivery time The PSS Shaft Seal is a mechanical face seal designed for marine use, featuring a rotating stainless steel rotor and a stationary carbon flange. The carbon flange attaches to the stern tube with hose clamps, while the rotor compresses the bellows to maintain contact and manage thrust from the propeller. Its design allows the flange to "float" for compensation of misalignment and vibration, and the stainless steel collar includes recessed o-rings that rotate with the shaft to minimize wear, ensuring a reliable dripless seal. |
$ 621.33
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1-2 weeks delivery time The PSS - PYI Type A PSS Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that create a reliable sealing surface. It compensates for propeller thrust movement and misalignment thanks to its flexible design and O-ring sealing, ensuring optimal performance under various conditions, with temperature limits from 5°F to 225°F and capable of handling pressures up to 15 PSI. |
$ 602.79
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1-2 weeks delivery time The PSS 02-120M-612 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that create a reliable sealing surface. The carbon flange is attached to a bellow, which fits over the stern tube and ensures a leak-free operation while accommodating shaft movement and misalignment. With temperature limits of -13°F to 425°F and the ability to handle up to 7,000 RPM, this seal is engineered for durability and performance in demanding conditions. |
$ 13,590.63
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1-2 weeks delivery time The PSS 02-120M-634 Dripless Shaft Seal is designed for marine applications, utilizing a mechanical face seal with a stainless-steel rotor and a stationary carbon flange. This setup ensures minimal leakage and compensates for movement caused by propeller thrust. The carbon flange allows for some misalignment, and the rotor is sealed with O-rings that reduce wear during operation. It operates effectively between -13°F and 425°F and can withstand pressures up to 50 PSI, making it a reliable choice for various marine environments. |
$ 13,590.63
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1-2 weeks delivery time The PSS 02-120M-700 is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellow to maintain a tight seal against a carbon flange. This design allows for flexibility to accommodate shaft movement and misalignment while minimizing wear through rotating O-rings. It operates effectively within temperature limits of -13°F to 425°F, pressure limits of 50 PSI, and shaft speeds up to 7,000 RPM, making it a reliable choice for stern tube installations. |
$ 13,590.63
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1-2 weeks delivery time The PSS 02-120M-712 Dripless Shaft Seal is a mechanical face seal designed for marine applications, ensuring a reliable and leak-free operation. It features a rotating stainless-steel rotor and a stationary carbon flange that maintain constant contact to adapt to movements caused by propeller thrust. The design includes a floating carbon flange that compensates for misalignment and vibration, along with O-rings that prevent wear during operation. This seal operates effectively within a temperature range of -13°F to 425°F and can handle pressures up to 50 PSI. |
$ 13,590.63
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1-2 weeks delivery time The PSS 02-120M-714 Dripless Shaft Seal is a reliable marine sealing solution that features a mechanical face seal design with a stainless-steel rotor and carbon flange. It effectively prevents water ingress while accommodating axial movement from propeller thrust. Built to withstand temperatures from -13°F to 425°F and pressures up to 50 PSI, it includes O-rings that minimize wear and is designed for easy alignment and vibration mitigation. |
$ 13,590.63
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1-2 weeks delivery time The PSS 02-120M-734 is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellow to maintain contact with a stationary carbon flange. This design accommodates propeller thrust and compensates for misalignment and vibration. With temperature limits of -13°F to 425°F and pressure limits of 50 PSI, it ensures reliable performance, incorporating durable materials like carbon graphite and silicone fabric. |
$ 13,590.63
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1-2 weeks delivery time The PSS 02-120M-800 Dripless Shaft Seal is a mechanical face seal designed for stern tubes, featuring a stainless-steel rotor and a stationary carbon flange that work together to maintain a reliable seal under varying conditions. The rotor compresses the bellow, ensuring consistent contact and allowing for compensation of misalignment and vibration. It operates effectively within a temperature range of -13°F to 425°F, a pressure limit of 50 PSI, and shaft RPMs up to 7,000, with durable materials ensuring minimal wear during operation. |
$ 13,590.63
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1-2 weeks delivery time The PSS 02-120M-858 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellow to maintain constant contact with a stationary carbon flange. This design accommodates thrust-related movement while allowing for misalignment and vibration compensation. Key specifications include temperature limits from -13°F to 425°F, pressure limits of 50 PSI, and shaft RPM limits up to 7,000, ensuring reliable performance and durability. |
$ 13,590.63
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1-2 weeks delivery time The PSS 02-125M-612 Dripless Shaft Seal features a mechanical face seal with a stainless-steel rotor and a stationary carbon flange, ensuring reliable sealing in marine applications. The design accommodates propeller thrust and misalignment, while recessed O-rings prevent wear. It operates effectively within temperature limits of -13°F to 425°F and pressure limits of 50 PSI, making it a durable choice for various conditions. |
$ 14,277.88
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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.