SKU: 47482015145

PSS PRO Shaft Seal 3-1/2" Shaft & 5" Tube

$889.20 $988.00
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Description

PSS PRO Shaft Seal 3-1/2" Shaft & 5" TubePRO Shaft Seal 3 1 2" Shaft & 5" Tube The PSS PRO Shaft Seal is a mechanical face seal utilizing our proven stainless steel and carbon sealing components but adds reinforced silicone bellows, a secondary shaft retention collar, 316 Stainless Steel hose clamps (rolled edges and non perforated), and an optional Nitronic 50 rotor upgrade (for highly corrosive environments). Designed specifically for applications that will require increased durability and

PRO Shaft Seal 3-1/2" Shaft & 5" Tube

The PSS PRO Shaft Seal is a mechanical face seal utilizing our proven stainless steel and carbon sealing components but adds reinforced silicone bellows, a secondary shaft retention collar, 316 Stainless Steel hose clamps (rolled edges and non-perforated), and an optional Nitronic 50 rotor upgrade (for highly corrosive environments). Designed specifically for applications that will require increased durability and resistance to harsh, corrosive, high pressure, and otherwise demanding environments. The PSS PRO Shaft Seal is a specialized mechanical seal suitable for various applications, with unmatched performance.

As with PSS Type A & B Seals, The PRO Shaft Seal is a mechanical face seal. The sealing surface is created between the flat surfaces of the rotating stainless-steel rotor and the stationary carbon flange. The stationary carbon flange is attached to a heavy-duty silicone bellows attached to the vessel’s stern tube (shaft log), with 316SS hose clamps. The stainless-steel rotor is fitted on the shaft in front of the carbon flange and is used to compress the bellows, the rotor is then secured to the shaft with set screws, and the shaft retention collar is installed. This compression (pre-load) maintains constant contact between the two mating faces of the stainless-steel rotor and carbon flange, allowing the PSS to compensate for the variable axial movement due to propeller thrust. In addition, the carbon flange is over-bored to the shaft diameter allowing it to "float" around the shaft and thus compensate for most misalignment and vibration from the drive-line. The stainless-steel rotor is sealed to the shaft by two O-rings recessed into the rotor's bore. These O-rings rotate with the shaft and the stainless-steel rotor and therefore do not experience wear during operation.

Specifications:

  • Temperature Limits: -13°F to 425°F (-25°C to 220°C)
  • Pressure Limits: 40 PSI (2.75 BAR)
  • Shaft RPM Limits: 10,000 RPM
  • Carbon Graphite: Lapped to 4 HLB (0.000044" tolerance)
  • 316SS / Nitronic 50: Faced to 9 Ra
  • Bellow Material: Molded formed silicone / fabric

Product Dimensions:

  • Shaft Dia. (A) 3 1/2"
  • Stern Tube Dia. (B) 5" to 5-1/8"
  • Uncompressed Length (C) 10.538" 
  • Approx. Compressed Length 9.538" 
  • Rotor Diameter (D) 6"
  • Stern Cuff Length (E) 1.3"

Manufacturer : PSS Shaft Seal
Manufacturer Part No : 03-312-500
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 47482015145

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B
Brandy
West Palm Beach, US
★★★★★ 5
Fast & Easy
These work really good. I have been waxing for over 20 years and I just wanted to try something new. This set comes with two different sizes. I used the large blade for my chin and lip. And the smaller blade for my eyebrows. The handle is sturdy and not flimsy. Comes with a case. I already stuck one of each in my travel bag!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
V
Vic
West Palm Beach, US
★★★★★ 4
work well + good value for the pack
Finally got a chance to try these recently. They're exactly like the ones I already had, that I paid a little more for. I think these are a good value and work pretty well - not as well as the better beauty store razors, but better than like dollar tree or something. I like the size of the handle. I consider them disposable, especially if you're using with a hair identifying powder spray or oil.
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Reviewed in the United States on October 29, 2025
C
CC
Pawtucket, US
★★★★★ 3
A Year of Easy Smoothness
I love that this set comes with 12 razors, giving me a full year of monthly replacements. The handle feels solid and comfortable to hold, and the different sizes are handy for both facial and eyebrow use. They glide smoothly and exfoliate gently without irritating my skin. My only minor complaint is that the blades aren’t as sharp as I expected, so I have to go over an area a few times to remove all the peach fuzz. Still, for the price and convenience, it’s great value for the money and makes skincare feel fresh and polished.
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Reviewed in the United States on October 16, 2025
B
Bethany Smith
Louisville, US
★★★★★ 5
Love that they come in a plastic container
I prefer this brand of razors because they don’t have the line sections on the blade. They are very sharp! Be careful. I love how sharp it is because I don’t need to do double passing on my face, and I can be as light as a feather with it and know it’ll still work. It did not cause any skin irritation, and was great at removing the dead skin cells off the top layer of my face.
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Reviewed in the United States on October 20, 2025
M
Verified Purchase
Metallurgist
Lexington, US
★★★★★ 5
Terrific!
While less well known than his later biographies of George Washington and Alexander Hamilton, this book stands equal to them. Rather than a biography of a single man this is the biography of a most extraordinary family and their impact on banking and the history of the twentieth century. This is a terrific book and one that I recommend without reservation. Chernow tells a very complex story in the tradition of a great novelist, without sacrificing any of the historical details that define the picture of a family whose story mirrors the triumphs and tragedies of the 20th century. The book traces the history of the Warburg family from the 16th century to the 1990's, with the emphasis on the 20th century. The story is told through the biographies of many of its members, focusing on the brothers Aby, Max, Paul, Felix and Fritz, their sons and nephews. Individual chapters cover individuals, interwoven and progressing through the 20th century. There is the scholarly eldest brother, Aby, who exchanged his birthright for the promise of being provided all the books he desired (and created one of the world's greatest private libraries), the next eldest brother Max who autocratically ran the familie's Hamburg bank, the next brother Paul who made his mark in the US (providing the banking expertise behind his idea for the US Federal Reserve System), Felix who also made his mark in the US (both as a banker, but even more so as a philanthropist) and on to the youngest Fritz who served in both the Prussian and American Armies, and eventually fought to revive the Warburg position as preeminent Hamburg bankers. The book follows these brothers and their nephew Sigmund who made his mark in the US, in Great Britain (becoming Sir Sigmund) and in Europe after WWII. The book also discusses the sons of these brothers, their wives and other relatives. Fortunately, there are several pages of genealogy charts which help in keeping all the relationships between family member straight and many photographs that help flesh out the many stories that are discussed. Were the book just about the history of the family members it would have been very good, but it is about much more. The book is about the turmoil of 20th century Germany, about how this family suffered and recovered. It is about family members who were loyal to their adopted homes in the US and Great Britain, but still, before the 1930's, had strong emotional ties to Germany. It tries to explain how some in the family still had warm feeling for Germany, in spite of what happened to them in the 1930's. It is about how Fritz left his comfortable life in the US to return to Germany to reestablish their stolen Hamburg bank, but also to serve as a bridge between Germany and the rest of the post-WWII world. It is about strong men with sons who often failed to live up to their high expectations. It is about loyalty, deceit, struggle, success and failure. It is a cautionary tail about the evolution of 20th century politics and war, as well as about banking. In short this is a terrific book.
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Reviewed in the United States on March 6, 2012

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