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For Your Every Summer RSVP, with Code: SUMMER15
Description
PSS Shaft Seal 1-½" Shaft 3-½" TubePSS Shaft Seal 1 1 2" Shaft 3 1 2" Tube Shaft Diameter: 1 1 2" Stern Tube Diameter (D): 3 1 2" to 3 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 1-1/2" Shaft 3-1/2" TubeShaft Diameter: 1-1/2"
Stern Tube Diameter (D): 3-1/2" to 3-5/8"
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 Part Numbers: 02-112-312
Brochure Literature (PDF)
Installation Guide (PDF)
GRP:WRO
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Husky approved!
Color: Cheers
Got this for my large husky to wear for his 10th birthday. He didn't tear it up right away. The squeaker lasted longer than it does with most toys. He seemed to genuinely enjoy the toy. Removed the stretchy string once I got a few pictures so he wouldn't eat it. Very cute.
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Reviewed in the United States on January 20, 2026
★★★★★ 5
Buy Me, I’m Ideal
Color: Bark-Day
Perfect size for my small dog
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
5 Stars - My Gentle Giant Loves It!
Color: Pawty, Color: Pawty
I got this toy for my German Shepherd, who is very gentle and loves soft plush toys. Even though he’s a big dog, he’s careful and enjoys playing gentle tug-of-war so the rope part as the string is perfect. The toy was a little smaller in length than I expected, but it hasn’t mattered at all — he absolutely loves it! It’s soft, thick, and has a squeaker deep inside that will make it hard for a dog to pull out. It is cute, and has held up well to a lot of carrying around and light tugging. If you have a gentle dog who loves plush toys, I definitely recommend this one. I would absolutely purchase it again! Fun little dog birthday gift.
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Reviewed in the United States on April 5, 2025
★★★★★ 5
Stupid cute!
Color: Crown, Color: Crown
My Lily looked so cute on her first birthday and it was so easy to put on. It doubles as a toy if you want to cut the band off. It's got a crinkling sound, no squeaker
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Reviewed in the United States on August 24, 2025
★★★★★ 5
Not for tough dogs who chew
Color: Pawty
My dog loves it! We play tug of war and it’s still holding up. She is 40 pounds and is strong. But this would not be durable for dogs who rip things apart.
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Reviewed in the United States on April 29, 2025