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Description
PSS Shaft Seal 1-½" Shaft 2-¼" TubePSS Shaft Seal 1 1 2" Shaft 2 1 4" Tube Shaft Diameter: 1 1 2" Stern Tube Diameter (D): 2 1 4" to 2 3 8" Total Length (A): 9. 175" Total Length (compressed) (Compressed A): 8. 175" Rotor Diameter (B): 3. 75" Carbon Cuff Diameter (C): 3. 25" Stern Cuff Length (E): 2" The PSS Shaft Seal is the number one selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders yards. The PSS Shaft
PSS Shaft Seal 1-1/2" Shaft 2-1/4" TubeShaft Diameter: 1-1/2"
Stern Tube Diameter (D): 2-1/4" to 2-3/8"
Total Length (A): 9.175"
Total Length (compressed) (Compressed A): 8.175"
Rotor Diameter (B): 3.75"
Carbon Cuff Diameter (C): 3.25"
Stern Cuff Length (E): 2"
The PSS Shaft Seal is the number one selling marine mechanical seal worldwide and is installed as standard equipment by many of the worlds most reputable boat builders / yards. The PSS Shaft Seal is also recognized as the premiere retrofit (aftermarket) seal on the world market. Certified by Bureau Veritas, ABS & Rina: Boat builders / yards recognize the advantages and value of installing the PSS as it eliminates the maintenance, constant adjustment & cost associated with traditional packing type glands. Aside from these benefits, the PSS Shaft Seal helps to eliminate water in the bilge (100% water tight) & wear to the propeller shaft. The PSS Shaft Seal can be easily retrofitted and is available for shafts ranging from 3/4" (20mm) to 6" (150mm).
The PSS Shaft Seal is a mechanical face seal that is created between the flat surfaces of the rotating stainless steel rotor and the stationary carbon flange. The stationary carbon flange is attached to the vessels stern tube with hose clamps and the carbon flange is attached to the front side of the bellows with hose clamps. The stainless steel rotor is fit on the shaft in front of the carbon flange. The stainless steel rotor is used to compress the bellows before the collar is secured to the shaft with set-screws. This compression (pre-load) maintains contact between the faces and allows the PSS to compensate for the thrust from the propeller. The carbon flange is bored larger than the shaft diameter allowing it to "float" around the shaft and thus compensate for most misalignment and vibration problems. The stainless steel collar is sealed to the shaft by two o-rings that are recessed into the bore of the collar. These o-rings rotate with the shaft and stainless steel rotor and do not experience wear during operation.
**As with any rubber hose below waterline, the PSS bellows must be inspected on a regular basis for any sign of wear, aging or chemical deterioration. PYI suggests as preventative maintenance that the PSS bellow be replaced in six year intervals. During bellows replacement it is recommended the o-rings & set screws in the stainless steel rotor also be replaced."
Bellows may need to be more frequently inspected in an environment where non-sealed batteries emit sulfuric acid. Sulfuric acid vapor will accelerate rubber deterioration, as will an ozonater.
The Maintenance Kit includes the items you need to properly maintain your PSS Shaft Seal. Included in the kit is one (1) PSS bellow, two (2) O-rings, five (5) set screws, four (4) new hose clamps and an allen key.
Manufacturer : PSS Shaft Seal
Manufacturer Part No : 02-112-214
UPC : 839662007061
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4.6 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Illuminating insights on the transformative power of college
Format: Hardcover
Mindset Matters is an inspiring, timely, and useful exploration of how higher education can transform lives by fostering the key mindsets essential for success in today’s complex and fast-changing world.
Drawing on his extensive experience as a leader in higher education and lifelong learning, Porterfield makes a compelling case for cultivating five critical mindsets — Discovery, Creation, Mentorship, Collaboration, and Striving — all aligned with a growth mindset. He explains how colleges can develop these mindsets to prepare students for lifelong growth.
The book is grounded in real stories of students whose lives were transformed by higher education. The thoughtful narratives illustrate how institutions can create environments and systems where all students can thrive.
Through this work, Porterfield offers a roadmap for helping prepare individuals to embrace growth, pursue opportunities, navigate challenges, and drive meaningful impact — throughout their lives.
Whether you're an educator, a parent, or someone interested in the future of higher education, Mindset Matters will leave you inspired and equipped with new perspectives and strategies. I highly recommend it.
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Reviewed in the United States on December 13, 2024
★★★★★ 3
Disappointing
Format: Hardcover
I had high hopes. But this book seems to be more of a rosy retrospective of one college president years in charge than it is a real useful book about how to help students.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 22, 2025
★★★★★ 5
Reminds us of the value of a college education beyond academic facts and skills.
Format: Kindle
At a time when many students and families are questioning the value of a 4-year college education, Porterfield does a great job of describing the intangibles behind an earned degree. Many people are aware that there is more to a college education than academic facts and skills, but this book presents the case comprehensively. It identifies "soft skills" specifically and gives good examples of how they can be taught and learned in the college environment.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
Loved it!
Format: Kindle
Mia is a ten-year-old Chinese immigrant. She had immigrated to California from China 2 years earlier with her parents, who were hoping for a better life. Unfortunately, the United States in the 1990s was not exactly welcoming to Chinese immigrants, and many struggled. Mia and her parents were no different. After gaining and losing several jobs and facing homelessness again, Mia's parents take a job managing a motel. Unfortunately, the motel owner - who is Taiwanese, not Chinese, as he is quick to point out - is not only overtly racist, he is also exploitive and seems almost happy to point out to Mia's parents that they could be replaced immediately when they question his actions.
But Mia and her parents try to make the best of it. Mia works the front desk when at the motel, quickly learning the ropes and consistently trying to find ways to help the guests and her family. She also becomes friends with the weeklies at the motel - those guests who live at the motel and pay weekly - and they quickly become part of her growing family.
At school, though, Mia struggles. She can't tell the other students - most of whom are white - that she lives in a motel. She struggles in English, though she loves writing, and she also has disagreements with her mother who thinks she should focus on math and forget about writing because "she'll never be able to write as well as the white kids" for whom English is their native language.
Most of the book is a slice-of-life look at running a hotel and Mia's struggle to integrate with the other students at school. Though it may seem to some that too much goes wrong at the motel in too short a period of time, I can say from experience that this depiction is incredibly realistic. While reading it, I was having flashbacks to my own experience managing a motel and running the front desk. The news Mia and her family get in chapter 55, in particular, hit hard on the feels for me, because my husband and I went through that same situation. We didn't use the same solution that Mia and her family did, and I definitely loved the solution they came up with.
Throughout the story were the letters that Mia wrote, each for a different situation. These were an added touch, helping to bring the reader back to the days of the early and mid-90s, before email was ubiquitous and text messaging was still a dream. Her struggle to put word to paper, to make sure she was using the right words and tenses, was an added dimension to the story that I didn't expect but definitely appreciated. The author's note at the end, where she discussed her own experiences was also incredibly moving, and I loved learning that much of the book's scenarios were pulled from her own experiences, while also wanting to give a hug to the child that had to experience that struggle.
I had the opportunity to listen to the audiobook, narrated by Sunny Lu, and I highly recommend it. Lu did a wonderful job with the narration, injecting just the right amount of emotion and tension into the performance. I had to force myself to stop listening so I could go to bed; had I not, I would have listened right through to the end and not getting any sleep. While I would have enjoyed the story, work the next day would not have been fun. Lol.
So, long review short, I definitely recommend this book. For younger readers, I would recommend a parent read with them, as there are some tough situations that they may need/want to talk about. But overall, this is a story of hope for an immigrant family who is struggling to make a better life for themselves.
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Reviewed in the United States on October 18, 2022
★★★★★ 5
A great book for all
Format: Paperback, Format: Paperback
What a great book. I bought it for my 12 year old granddaughter. A story of resilience.
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Reviewed in the United States on March 16, 2026