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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
For Your Every Summer RSVP, with Code: SUMMER15
Description
PSS Shaft Seal 1-½" Shaft 2-¾" TubePSS Shaft Seal 1 1 2" Shaft 2 3 4" Tube Shaft Diameter: 1 1 2" Stern Tube Diameter (D): 2 3 4" to 2 7 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 2-3/4" TubeShaft Diameter: 1-1/2"
Stern Tube Diameter (D): 2-3/4" to 2-7/8"
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 : 02-112-234
UPC : 839662007078
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.6 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Great product!
That my dog loves these ballls. Great for evening play time when the days are shorter. Plus he doesn't destroy the balls.
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Reviewed in the United States on September 26, 2025
★★★★★ 5
My dog's favorite
I have a 4 year old german shephard and this is her favorite ball. She often loses them and has to resort to a previous ball she used to play with, but when I line up several balls she chooses this one every time. When I tell her to search for her ball so we can go play she passes by all the other balls we have for her to look for this type. It has gotten so bad that I buy these in multiples because we play so much outside that she looses them and I almost have to order her to pick up an old ball when she can't find this one just so we can go outside. She loves to chew on this ball, I know that she could destroy it if she wanted to but she just likes to half bite on it. My dog loves this because the holes on each end make a whistle sound when you through it and she has become great at tracking it through the air via the whistle, I like it because it glows in the dark. So, in the early morning when she goes outside to the bathroom I charge the ball with a flashlight and I can watch her walk around the yard (we live out in the country and it is mostly dark all around us). Best ball for me and my dog.
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Reviewed in the United States on June 22, 2019
★★★★★ 5
Heavy chewer approved.
Style: Ball, Size: Medium (Pack of 1)
My pomsky will destroy a toy in minutes. Ropes, and the "indestructible" nylon type stuffs are no match for my furry shark. This ball has stood up to him like David. He loves the crunch and it is so much more tolerable than a squeaker. These will be a staple in his toy box - Chuckit toys are really the most durable dog toys I have found in three years.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Fun Ball
Style: Ball, Size: Medium (Pack of 2)
Great new ball for our pup. He loves the sound of the crunch!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Durability
Style: Ball, Size: Medium (Pack of 2)
My dog loves these balls!
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Reviewed in the United States on May 25, 2026