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 07-214-2 Carbon Graphite Stator Flange is crucial for PSS propeller shaft seals, creating a mechanical seal with a stainless steel 316 rotor. It securely connects to rubber bellows and features a bore larger than the shaft diameter to accommodate misalignment and vibration issues.
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$ 892.23
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1-2 weeks delivery time The PSS 07-30M-134-KIT is a maintenance kit for 30mm shafts, essential for ensuring the longevity of your PSS Shaft Seal system. Regular inspections of the PSS bellows for wear and replacement every six years are recommended, along with changing the o-rings, set screws, and hose clamps. The kit includes all necessary replacement parts, and re-using the cup-point set screws is not advisable, as it may prevent proper locking; five new set screws are provided in the kit.
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$ 212.58
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1-2 weeks delivery time The PSS 07-40M-200 Maintenance Kit is essential for maintaining your 40mm shaft seal system, including a bellows that should be replaced every six years, along with o-rings, set screws, and hose clamps. Regular inspection is vital to prevent wear and deterioration, and the kit contains all necessary replacement parts, including five new set screws, as reused set screws may not lock properly onto the shaft.
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$ 277.88
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1-2 weeks delivery time The PSS 07-40M-212-KIT is a maintenance kit for 40mm shafts, designed to ensure the longevity of the PSS shaft seal system. It includes a bellows, nitrile o-rings, set screws, hose clamps, thread lock, and an Allen key. Regular inspection and replacement of the bellows every six years, along with the o-rings and set screws, are recommended to maintain optimal performance. Re-using set screws is not advisable, as they need to securely grip the shaft, and the kit provides new ones for this purpose.
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$ 349.31
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1-2 weeks delivery time The PSS 07-40M-214-KIT is essential for maintaining the integrity of your shaft seal system, featuring a bellows that should be inspected regularly and replaced every six years. The kit includes all necessary parts such as nitrile o-rings, set screws, hose clamps, a tube of thread lock, and an Allen key. Reusing the set screws is not recommended, as they are designed for a secure grip and should be replaced with the new ones provided in the kit.
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$ 349.31
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1-2 weeks delivery time The PSS 07-50M is a durable stainless steel rotor for a 50mm shaft, designed for maximum holding power with secure set screws. Made from 316L stainless steel, it features precise tolerances and a number 9 micro finish to prevent run-out. The Carbon Stator polishes the rotor during initial operation, ensuring longevity under normal conditions.
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$ 443.02
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1-2 weeks delivery time The PSS 07-90M-514-KIT is a maintenance kit for 90 mm shafts, designed to ensure the longevity of marine equipment. Regular inspection of the PSS PRO bellows is essential, with a recommendation for replacement every 8-10 years. The kit includes silicone bellows, nitrile o-rings, set screws, hose clamps, thread lock, and an Allen key, suitable for a shaft diameter of 90 mm and stern tube diameters of 5-1/4" to 5-3/8".
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$ 1,105.75
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1-2 weeks delivery time The PSS 07-B03-8 Nylon Connection Nipple is a durable fitting designed for PSS Shaft Seals, accommodating 1/4" and 3/8" hoses. Its lightweight design ensures easy installation while providing reliable performance in various applications, making it ideal for marine and fluid management projects.
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$ 23.20
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1-2 weeks delivery time The PSS 07-KIT-034 T-Kit simplifies the installation of the PSS Shaft Seal by providing essential components to connect the raw water discharge hose, enabling efficient water flow from pickup points like the heat exchanger, oil cooler, and water pump. It includes a T-fitting, 6 feet of 3/8" hose, and four hose clamps.
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$ 304.22
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1-2 weeks delivery time The PSS 07-KIT-100 is a vital installation kit for the PSS Shaft Seal, designed to simplify connecting the raw water discharge hose to the seal's hose barb fitting. It allows for easy t-ing into various water pick-up points, such as between the heat exchanger and riser, the oil cooler and heat exchanger, or the water pump and oil cooler. Each kit includes a T-fitting, 6 feet of 3/8" hose, and four hose clamps.
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$ 278.29
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1-2 weeks delivery time The PSS 07-KIT-112 T-Kit simplifies the installation of the PSS Shaft Seal by allowing easy connection to the raw water discharge hose, enabling efficient water flow. It can be plumbed at various points, such as between the heat exchanger and riser, oil cooler and heat exchanger, or water pump and oil cooler. The kit comes with a T-fitting, 6 feet of 3/8" hose, and four hose clamps.
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$ 383.41
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1-2 weeks delivery time The PSS 07-KIT-114 T-Kit is essential for installing the PSS Shaft Seal, enabling easy connection to the raw water discharge hose at various points, including between the heat exchanger and riser, oil cooler and heat exchanger, or water pump and oil cooler. Each kit includes a T-fitting, 6 feet of 3/8" hose, and four hose clamps.
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$ 356.67
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1-2 weeks delivery time The PSS 07-N03-4 O-ring Kit is designed for 20mm and 3/4" shafts, providing essential components for maintaining the PSS Shaft Seal. It includes 5 set screws, 2 O-rings, an Allen wrench, thread lock, and 4 clamp jackets, ensuring reliable performance after rotor removal or set screw replacement.
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$ 16.78
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1-2 weeks delivery time The PSS 07-N07-8 O-ring Kit is essential for maintaining your PSS Shaft Seal, ensuring that O-rings are replaced when the Rotor is removed and that set screws are replaced after removal, as they are designed for one-time use. This kit includes 5 set screws, 2 O-rings, an Allen wrench, thread lock, and 4 clamp jackets for a complete replacement solution.
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$ 16.78
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1-2 weeks delivery time The PSS 07-N10-0 O-ring Kit is essential for maintaining your PSS Shaft Seal, providing replacement O-rings and set screws. It includes 5 set screws, 2 O-rings, an Allen wrench, thread lock, and 4 clamp jackets, ensuring optimal performance and longevity.
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$ 16.78
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1-2 weeks delivery time The PSS 07-N11-2 O-ring Kit is essential for maintaining your PSS Shaft Seal, especially after removing and re-installing the rotor. It includes 5 set screws, 2 O-rings, an Allen wrench, thread lock, and 4 clamp jackets. Always replace the O-rings and set screws if the rotor is removed, as the screws are designed for single use.
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$ 16.78
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1-2 weeks delivery time The PSS 07-N11-4 O-ring Kit is essential for maintaining your PSS Shaft Seal, especially after rotor removal and reinstallation. It includes five set screws, two O-rings, an Allen wrench, thread lock, and four clamp jackets, ensuring optimal performance and reliability.
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$ 16.78
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1-2 weeks delivery time The PSS 07-N11-8 O-ring Kit is essential for maintaining the PSS Shaft Seal, providing necessary replacements for O-rings when the rotor is removed and reinstalled, as well as set screws, which are designed for one-time use. This kit includes 5 set screws, 2 O-rings, an Allen wrench, thread lock, and 4 clamp jackets.
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$ 16.78
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1-2 weeks delivery time The PSS 07-N13-4 O-ring Kit is essential for maintaining your PSS Shaft Seal system, especially after removing and re-installing the rotor. It includes 5 set screws, 2 O-rings, an Allen wrench, thread lock, and 4 clamp jackets, ensuring optimal performance and a secure fit.
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$ 16.78
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1-2 weeks delivery time The PSS 07-N13-8 O-ring Kit is essential for maintaining your PSS Shaft Seal on 35mm and 1 3/8" shafts. It includes 5 set screws, 2 O-rings, an Allen wrench, thread lock, and 4 clamp jackets, ensuring optimal performance by replacing O-rings and set screws after rotor removal.
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$ 16.78
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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.