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 02-130M-634 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that ensures leak-free operation. The stainless-steel rotor compresses the bellow for constant contact with a stationary carbon flange, accommodating variations in propeller thrust while compensating for misalignment and vibrations. With temperature limits from -13°F to 425°F and a maximum shaft RPM of 7,000, this seal is built for durability and reliability.
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$ 14,277.88
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1-2 weeks delivery time The PSS 02-130M-700 Dripless Shaft Seal is a mechanical face seal designed for marine applications, preventing water ingress in stern tubes. It features a stainless-steel rotor that compresses a bellow, ensuring constant contact with a stationary carbon flange to accommodate movements from propeller thrust. The design allows for misalignment compensation, with two O-rings minimizing wear during operation. It operates within temperature limits of -13°F to 425°F and can handle pressures up to 50 PSI, making it a reliable choice for marine environments.
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$ 14,277.88
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1-2 weeks delivery time The PSS 02-130M-712 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that ensure reliable sealing. Its design allows for compensation of misalignment and vibration, while two O-rings minimize wear during operation. With temperature limits of -13°F to 425°F and pressure limits of 50 PSI, this seal is engineered for high performance and longevity.
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$ 14,277.88
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1-2 weeks delivery time The PSS 02-130M-714 is a dripless shaft seal designed for marine use, featuring a mechanical face seal that prevents leaks by creating a sealing surface between a rotating stainless-steel rotor and a stationary carbon flange. The design accommodates variable movements from propeller thrust while allowing for misalignment and vibration compensation. With temperature limits of -13°F to 425°F and a pressure limit of 50 PSI, this seal ensures durability and reliability in challenging conditions.
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$ 14,277.88
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1-2 weeks delivery time The PSS 02-130M-734 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that prevents leaks by maintaining constant contact between a rotating stainless-steel rotor and a stationary carbon flange. This system accommodates shaft movement and misalignment, while O-rings ensure durability without wear. The seal operates effectively within a temperature range of -13°F to 425°F and supports up to 7,000 RPM, making it a reliable choice for stern tube installations.
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$ 14,277.88
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1-2 weeks delivery time The PSS 02-130M-800 is a mechanical face seal designed for marine applications, ensuring minimal leakage and optimal performance. It features a stainless-steel rotor and a stationary carbon flange, allowing for effective sealing even with shaft movement. The carbon flange floats to compensate for misalignment, while O-rings prevent wear during operation. With temperature limits from -13°F to 425°F and a pressure limit of 50 PSI, this seal is built for durability in demanding conditions.
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$ 14,277.88
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1-2 weeks delivery time The PSS 02-130M-858 is a high-performance dripless shaft seal designed for marine applications, featuring a mechanical face seal that prevents leaks. It includes a stainless-steel rotor and a stationary carbon flange, allowing it to adapt to variations in movement caused by propeller thrust. With temperature limits of -13°F to 425°F and pressure limits of 50 PSI, this seal is built for durability and reliability, accommodating shaft misalignment and vibration while maintaining optimal functionality.
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$ 14,277.88
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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 a watertight seal. The innovative design allows for compensation of misalignment and vibration while withstanding temperatures from 5°F to 225°F and pressures up to 15 PSI. With a shaft diameter of 1 3/4" and a stern tube diameter of 2 1/2" to 2 5/8", this seal is engineered for reliable performance, even at 10,000 RPM.
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$ 1,074.04
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1-2 weeks delivery time The PSS 02-134-214 Dripless Shaft Seal features a stainless-steel rotor and a carbon flange that create a robust sealing surface, maintaining contact through compression to handle propeller thrust effectively. Designed to accommodate misalignment and vibrations, it utilizes recessed O-rings for wear-free operation. With a temperature range of 5°F to 225°F, a pressure limit of 15 PSI, and a shaft RPM limit of 10,000, this seal is ideal for marine applications.
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$ 1,074.04
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1-2 weeks delivery time The PSS - PYI Type A PSS Shaft Seal is a mechanical seal designed for stern tubes, featuring a rotating stainless-steel rotor and a stationary carbon flange. This design allows for a dripless seal by maintaining constant contact through pre-compression, accommodating movement from propeller thrust. The oversized carbon flange helps mitigate misalignment and vibrations, while recessed O-rings ensure durability without wear. Suitable for temperatures from 5°F to 225°F and pressures up to 15 PSI, it supports shaft speeds of up to 10,000 RPM.
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$ 1,074.04
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1-2 weeks delivery time The PSS 02-134-300 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that maintain constant contact to accommodate propeller thrust. The carbon flange is engineered to float around the shaft, compensating for misalignment and vibration, while two recessed O-rings ensure a tight seal without wear during operation. With a temperature range of 5°F to 225°F, a pressure limit of 15 PSI, and capable of handling shaft speeds up to 10,000 RPM, this seal is an efficient solution for stern tube diameters between 3" and 3 1/8".
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$ 1,074.04
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1-2 weeks delivery time The PSS 02-134-312 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that ensures a leak-free connection between the shaft and stern tube. It includes a rotating stainless-steel rotor and a stationary carbon flange, with a pre-load mechanism that maintains contact for optimal performance. The carbon flange compensates for misalignment, while O-rings provide effective sealing, minimizing wear. This seal operates within a temperature range of 5°F to 225°F and supports up to 10,000 RPM, making it a reliable choice for various conditions.
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$ 1,074.04
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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 that compresses a bellow against a stationary carbon flange to maintain a reliable seal. This design compensates for movement due to propeller thrust while allowing the carbon flange to float around the shaft, addressing misalignment and vibration. The seal operates within temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and shaft RPM limits of 10,000 RPM, ensuring durability and effective performance.
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$ 1,074.04
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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 use, featuring a stainless-steel rotor and a stationary carbon flange that maintain constant contact to accommodate propeller thrust. The carbon flange is oversized to allow for misalignment and vibration compensation, while two O-rings seal the rotor to the shaft, ensuring minimal wear. It operates within a temperature range of 5°F to 225°F, with a pressure limit of 15 PSI and can handle shaft speeds up to 10,000 RPM.
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$ 1,285.35
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1-2 weeks delivery time The PSS - PYI Type A PSS Shaft Seal is a reliable mechanical face seal designed for marine applications, featuring a stainless-steel rotor and a stationary carbon flange that ensure a dripless operation. Its unique design accommodates shaft movement and misalignment, while two O-rings provide effective sealing with minimal wear. 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 engineered for durability and performance.
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$ 1,285.35
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1-2 weeks delivery time The PSS 02-138-134 Dripless Shaft Seal is designed for marine applications, providing a reliable watertight seal for stern tubes and rudder shafts. It features a self-aligning carbon-graphite stator, a durable nitrile rubber bellow, and requires minimal maintenance. This seal reduces shaft wear, is unaffected by engine motion, and is backed by multiple certifications and a 3-year warranty, making it a trusted choice for many boat builders and the U.S. Coast Guard.
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$ 764.27
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1-2 weeks delivery time The PSS 02-138-200 Dripless Shaft Seal is a mechanical face seal designed for marine applications, featuring a stainless-steel rotor that compresses a bellow to maintain a secure seal between the rotor and a stationary carbon flange. This design allows for compensation of shaft movement and misalignment, enhancing reliability. Key specifications include temperature limits of 5°F to 225°F, pressure limits of 15 PSI, and a maximum shaft RPM of 10,000.
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$ 764.27
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1-2 weeks delivery time The PSS 02-138-212 Dripless Shaft Seal is designed for marine applications, featuring a mechanical face seal that consists of a rotating stainless-steel rotor and a stationary carbon flange. This seal maintains constant contact to accommodate propeller thrust, compensates for misalignment and vibration, and ensures durability through its O-ring design. It operates effectively within temperature limits of 5°F to 225°F and supports a shaft RPM of up to 10,000, making it a reliable choice for stern tube sealing.
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$ 764.27
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1-2 weeks delivery time The PSS - PYI Type A PSS Shaft Seal is an effective mechanical face seal for marine applications, utilizing a rotating stainless-steel rotor and a stationary carbon flange to maintain a reliable seal. This design allows for compensation of axial movements caused by propeller thrust while minimizing wear through O-rings that rotate with the shaft. The carbon flange can float around the shaft to address misalignment and vibration issues, ensuring optimal performance under various conditions.
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$ 764.27
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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 secure sealing surface. The carbon flange floats around the shaft to accommodate misalignment, while O-rings ensure a durable seal without wear. 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 combines reliability and performance for effective thrust compensation.
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$ 856.92
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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.