The PSS Marine Shaft Seal is a mechanical face seal designed to prevent water ingress in a vessel's propulsion system. Installed between the propeller shaft and the stern tube, it eliminates the need for traditional packing glands, reducing maintenance and preventing water from entering the bilge.
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1-2 weeks delivery time The PSS 02-400-534 Dripless Shaft Seal is a high-performance mechanical face seal designed for marine propulsion systems. It features a stainless-steel rotor and carbon flange that create a secure seal, while accommodating shaft movement and misalignment. The seal is robust against temperature variations from -13°F to 425°F, can handle pressures up to 50 PSI, and operates effectively at up to 7,000 RPM. Its innovative design includes features like floating carbon flanges and O-ring seals to ensure durability and reliability in demanding conditions.
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$ 11,486.32
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1-2 weeks delivery time The PSS 02-400-600 Dripless Shaft Seal is a mechanical face seal designed for marine applications, ensuring reliable performance by maintaining constant contact between a rotating stainless-steel rotor and a stationary carbon flange. It accommodates propeller thrust and misalignment, featuring a floating carbon flange and O-rings that prevent wear during operation. With a temperature range of -13°F to 425°F and a maximum RPM of 7,000, this shaft seal is built for durability and efficiency.
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$ 11,486.32
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1-2 weeks delivery time The PSS 02-400-612 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that prevents leaks between the stainless-steel rotor and stationary carbon flange. The carbon flange connects to the bellows, which fits over the stern tube. This setup allows for compensation of misalignment and vibration while maintaining constant contact due to rotor compression. With a temperature range of -13°F to 425°F, pressure limits of 50 PSI, and a maximum shaft RPM of 7,000, it is built for durability and reliability.
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$ 11,486.32
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1-2 weeks delivery time The PSS 02-400-614 Dripless Shaft Seal is a high-performance mechanical face seal designed for marine applications. It ensures a reliable, watertight seal between the stern tube and shaft by compressing a bellows with a stainless-steel rotor and a carbon flange. This seal compensates for shaft movement and misalignment, and is built to handle temperatures from -13°F to 425°F, pressures up to 50 PSI, and shaft speeds up to 7,000 RPM, with components crafted for durability and minimal wear.
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$ 11,486.32
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1-2 weeks delivery time The PSS 02-400-634 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 maintain a secure seal while compensating for movement and misalignment. It operates effectively within temperature limits of -13°F to 425°F and pressure limits of 50 PSI, making it suitable for high-performance propulsion systems.
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$ 11,486.32
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1-2 weeks delivery time The PSS 02-400-700 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that ensures optimal performance. It consists of a rotating stainless-steel rotor and a stationary carbon flange, maintaining constant contact to accommodate propeller thrust. The carbon flange's over-bored design allows for floating around the shaft, addressing misalignment and vibration. Sealing is achieved with two O-rings that minimize wear, and the seal operates within a temperature range of -13°F to 425°F and a pressure limit of 50 PSI.
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$ 11,486.32
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1-2 weeks delivery time The PSS 02-40M-200 Dripless Shaft Seal is a mechanical face seal designed for marine use, featuring a stainless-steel rotor and carbon flange that create a reliable sealing surface. It accommodates variable movement and misalignment, with a pre-load compression system and two O-rings for effective sealing. Capable of withstanding temperatures from 5°F to 225°F and pressures up to 15 PSI, it supports shaft speeds up to 10,000 RPM, and its components are made from high-quality materials including lapped carbon graphite and faced stainless steel.
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$ 995.88
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1-2 weeks delivery time The PSS 02-40M-212 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a rotating stainless-steel rotor and a stationary carbon flange. This design allows for effective sealing by maintaining constant contact despite propeller thrust, accommodating misalignment and vibration. It operates within a temperature range of 5°F to 225°F and supports shaft speeds up to 10,000 RPM, ensuring durability and reliability in demanding environments.
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$ 995.88
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1-2 weeks delivery time The PSS 02-40M-214 Dripless Shaft Seal is designed for reliable marine performance, featuring a mechanical face seal that combines a rotating stainless-steel rotor with a stationary carbon flange. This design accommodates shaft movement while maintaining a secure seal, thanks to pre-loaded compression of the bellows and the ability of the carbon flange to float to address misalignment and vibration. With temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and a maximum shaft RPM of 10,000, this seal is built for durability and efficiency in demanding conditions.
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$ 995.88
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1-2 weeks delivery time The PSS 02-40M-234 Dripless Shaft Seal is designed for marine applications, providing reliable performance with its precision mechanical face sealing principle. It features a rotating stainless-steel rotor and a stationary carbon flange, ensuring effective sealing in demanding conditions. The seal accommodates propeller thrust with a pre-loaded design and is capable of absorbing misalignment and vibration. With a temperature range of 5°F to 225°F, pressure limits of 15 PSI, and a shaft RPM limit of 10,000, this seal is built for durability and longevity, making it an ideal choice for stern tube applications.
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$ 995.88
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1-2 weeks delivery time 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.
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$ 995.88
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1-2 weeks delivery time 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.
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$ 995.88
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1-2 weeks delivery time 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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$ 995.88
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1-2 weeks delivery time 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.
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$ 1,076.95
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1-2 weeks delivery time 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.
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$ 1,076.95
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1-2 weeks delivery time 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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$ 12,869.81
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1-2 weeks delivery time 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.
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$ 12,869.81
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1-2 weeks delivery time 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.
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$ 12,869.81
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1-2 weeks delivery time 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".
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$ 12,869.81
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1-2 weeks delivery time 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.
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$ 12,869.81
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How does the PSS marine shaft seal contribute to preventing water ingress in a vessel’s propulsion system?
The PSS shaft seal prevents water ingress in a vessel’s propulsion system by creating a watertight seal around the propeller shaft. The seal uses a self-aligning carbon-graphite stator, which ensures a perfect fit and compensates for misalignment or vibration. Installed as standard equipment by many reputable boat builders, the PSS dripless shaft seal eliminates the need for traditional packing glands, offering a maintenance-free solution that effectively prevents water from entering the bilge.
How is the shaft diameter determined when selecting a PSS dripless shaft seal?
The shaft diameter is determined when selecting a PSS dripless shaft seal by measuring the propeller shaft and ensuring the carbon flange is over-bored to match the shaft diameter. This allows the shaft to "float" within the seal, providing an optimal fit and compensating for any misalignment or vibration. The seal uses two O-rings around the shaft, ensuring a tight seal and preventing water from entering the vessel's propulsion system, thus eliminating the need for traditional packing gland maintenance.
What maintenance steps are necessary to keep the PSS shaft seal functioning optimally over time?
To maintain optimal performance of the PSS shaft seal, it's essential to regularly inspect and replace components as needed. The bellows should be replaced every six years, and during this process, it's advisable to also replace the O-rings and set screws in the stainless steel rotor, as well as the hose clamps. This routine maintenance ensures the longevity and effectiveness of the shaft seal, contributing to the overall reliability of the vessel's propulsion system.