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Description
PSS Shaft Seal 1-¾" Shaft 2-½" TubePSS Shaft Seal 1 3 4" Shaft 2 1 2" Tube Shaft Diameter: 1 3 4" Stern Tube Diameter (D): 2 1 2" to 2 5 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 1-3/4" Shaft 2-1/2" TubeShaft Diameter: 1-3/4"
Stern Tube Diameter (D): 2-1/2" to 2-5/8"
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 : 02-134-212
UPC : 839662007290
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4.2 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 1
Awful packaging
Just got the product so I can’t give opinion on if it works to whiten my teeth but I will say the packaging is awful. The powder gets all over the lip of the container and all over the sink. Hard pass unless you want to clean your sink each time you use it.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
all the information you need in one book
Format: Paperback
I recently picked up Astral Projection for Beginners, recommended by a friend, and I wish I had discovered it sooner! Having tried to master astral travel with another book, I struggled to make progress, but Grace’s guide covers everything you need to know to successfully navigate this fascinating practice. The book delves into techniques for transitioning from your physical body to your astral body, addressing the fears that may arise during the process. Grace explains how fear can pull you back into your physical form, providing insights on what to expect when you embark on astral travel. This comprehensive approach makes it an essential read for anyone serious about exploring this realm. One of the standout features of the book is the inclusion of various case studies detailing the experiences of individuals who have successfully astral traveled, along with Grace’s own firsthand accounts. This blend of practical information and personal narratives makes the material relatable and engaging. You learn so much from others’ experiences, and it adds a layer of authenticity to the guidance provided. I had a close call with astral travel just last night while using the rope technique. When I caught sight of my physical body from my astral body, I panicked and was instantly pulled back. Grace addresses this fear in her book, explaining that it’s a common reaction and offering strategies to overcome it. I appreciated her reassurance and guidance, which gave me the confidence to try again tonight. As I was finishing the book on my way to New York, I felt inspired and determined to attempt astral travel again. I highly recommend this book to anyone interested in this practice. It’s a well-rounded resource that includes all the information you need—and then some—to successfully explore the world of astral travel.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Finally, A Journey Beyond
Format: Kindle
I approached this book with healthy skepticism but found myself completely transformed. After years of meditation with limited results, the step-by-step techniques described here finally helped me achieve my first genuine out-of-body experience last week—something I never thought possible.
The author strikes the perfect balance between accessibility and depth. The historical context grounds everything in fascinating tradition while the practical methods are refreshingly clear and effective. I especially appreciated the safety precautions; they addressed anxieties I didn't even know I had.
What surprised me most was how my astral experiences have positively affected my everyday life. I'm sleeping better, feeling more connected to others, and approaching challenges with newfound perspective.
The section on navigating different astral realms is particularly enlightening—it matched my experiences so precisely that I got chills.
For anyone curious about consciousness beyond the physical, this guide is the genuine article.
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Reviewed in the United States on May 18, 2025
★★★★★ 4
Great information for such a sensitive subject.
Format: Kindle
This book has a lot of great information and very useful techniques I do wish that the author would have gone a little bit deeper into some of the techniques and some of the direct experiences that will happen as a result but this is a great starter guide.
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Reviewed in the United States on March 29, 2025
★★★★★ 5
This was beyond my expectations!
Format: Paperback
I was absorbed by this book. It is such a wonderfully easy read. I just loved it, and it resonated with me so much! The very best part for me was discovering that I did astral project from a lucid dream. I didn't know that was possible, but when she spoke about it in the book I realized that I absolutely had. It clicked! I was having a bad lucid dream about 6 months ago and my precious beloved son (who passed almost five years ago now) came to me. I had asked for this as I am very actively spiritual. Well, I was distressed in my dream and he started calling my name in his own voice ("Mom"), three times he called me, and I reached out towards the sound of his voice and started searching for him with my intuition and called out his name, reaching out my arms for him and from my lying down position I stood up out of my body and was standing with him in the astral realm from my dream. I remember thinking, "How can I be standing here with him if I'm lying in my bed now?." and I asked him, "How can you be here like this?!" It was so very beautiful. I will just say that much about it. But, this book is really 5 stars! I read a lot. This book was so inspiring and laid out so well. Excellent job, Sophia Grace! I would love to pay to have a psychic session with you. I would love to go to one of her sessions. I hope that information is made available. Thank you for such great energy that emits from this book.
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Reviewed in the United States on November 17, 2024