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Propeller Shaft Seal Animation | Dripless Stuffing Box | RE Thomas 

RE Thomas Marine Hardware
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Learn more at www.retmarine....
A detailed 3D animation of a boat's propeller shaft and stuffing box featuring a heavy duty dripless style stuffing box from R.E. Thomas Marine Hardware.
If you're curious how a boat's shaft sealing system works, you'll appreciate this video. If you're looking to upgrade or replace a "face seal" dripless system or "lip seal" dripless shaft seal, you'll also want to watch this video.
R.E. Thomas self-aligning shaft seals feature the same benefits as a modern dripless shaft seal, while giving boaters the peace of mind and proven reliability of a more traditional bronze stuffing box.
There's no carbon face seal to shatter or crack. There's no rubber bellow to lose elasticity or compression. There's no nylon hose barb to snap off. There's no stainless rotor to slide back on the shaft.
R.E. Thomas self-aligning shaft seals are much easier to repair in an emergency, and mariners have trusted the underlying technology for over a century.
Manufactured in the U.S.A., R.E. Thomas SA-Series stuffing boxes offer an uncompromising combination of safety and performance that professional mariners have come to expect and trust.

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25 мар 2020

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Комментарии : 55   
@austin1416
@austin1416 3 года назад
Exactly what I was looking for. Great animation. Thanks
@sahilmansoori3511
@sahilmansoori3511 3 года назад
This is exactly what I was looking for, nice video
@allviralph52566
@allviralph52566 2 года назад
wow amazing shaft seal for small boat.
@MonteViste
@MonteViste Год назад
What a beautiful animation
@markreynolds3850
@markreynolds3850 2 года назад
Great animation , thanks for sharing this video.
@skeetersaurus6249
@skeetersaurus6249 3 года назад
For those that think, 'wow, neat, gotta get one!'...heads-up, I just saw a 47-year old traditional shaft-seal / stuffing box (flax seal) that was STILL in operable shape on a sailboat with a 1-1/4" shaft...and had NEVER been serviced other than a new seal a couple of times! Yes, stuffing boxes 'drip water'...but are cheaply and easily fixed. A catastrophic bellows failure on a 'dripless seal' will sink your boat in an hour-or-two! Conventional stuffing boxes CANNOT 'catastrophically' fail...so a decent bilge pump in working conditions prevent OBVIOUS boat-loss. I wouldn't even CONSIDER this on a vessel less-than 60-ft and 450-hp, PERIOD! You've got a houseboat running twin 200-hp engines...stick with 'old school' and a redundant set of bilge pumps! If you do '20-year service' on those prop shafts, and polish them out (complete with buffing pads and jeweler's rouge), you'll have a VERY NICE (and relatively water-free) seal you don't really have to worry about.
@ghostrider-be9ek
@ghostrider-be9ek 3 года назад
>I wouldn't even CONSIDER this on a vessel less-than 60-ft and 450-hp, PERIOD! Bang on, this is something that larger vessels should be using.
@silentsushix3
@silentsushix3 2 года назад
So the fuck what? I feel like you are one of those who just say that about all new tech.... it is like just shut the fuck up already.... simple is NOT better...
@AutodidactEngineer
@AutodidactEngineer 2 года назад
Is there a way to get 0% leakage like with a magnetic system like those used in chemical plants where the propeller is put into motion by a magnetic system?
@botno69420
@botno69420 7 месяцев назад
​@@AutodidactEngineerI'd imagine most anything possible, but the problem is cost-and-energy-efficiency. I'd also imagine your usual v-seals and such would be more than suffficient in private use with no or zero to none leaks, when aligned and maintained properly.
@ImNotADeeJay
@ImNotADeeJay 2 года назад
I don't have a boat... do I still need one of these?
@carlosandleon
@carlosandleon 8 месяцев назад
yes you do
@basantsahu9101
@basantsahu9101 3 года назад
Very nice animation video 👍 so good
@quill6211
@quill6211 10 месяцев назад
Thanks for the education
@indigo_enigma
@indigo_enigma 3 года назад
I must admit. I lie awake most nights worrying about my boat's drive shaft.
@PratapSingh-oj5cs
@PratapSingh-oj5cs 3 года назад
Nice
@pakistaniboatmakar8
@pakistaniboatmakar8 3 года назад
Nice 👍 video
@metinsehir6393
@metinsehir6393 2 года назад
Kinetik enerji ilede çözülebilir kayıp olmaz saygılar ❤🇹🇷
@Raul28153
@Raul28153 2 месяца назад
what prevents leaking when the boat is sitting at the pier?
@laverite1635
@laverite1635 4 года назад
nice music, makes me wanna buy
@LuciferMorningstar-ix3lb
@LuciferMorningstar-ix3lb 3 года назад
But you're broke af
@mikegrant8490
@mikegrant8490 3 года назад
Is this an improvement over the "Last Drop" system that came out about 20 years ago? Those seemed to work very well and gave long service and appears similar to your product.
@AmitSharma-gi1vy
@AmitSharma-gi1vy 3 года назад
Awesome ❤️
@scottwise1980
@scottwise1980 3 месяца назад
This just looks like a traditional stuffing box that they added a hose barb to so you think it is something new.
@fathiral-ghuroba9595
@fathiral-ghuroba9595 Год назад
I need more details, if you don't mind
@uctrungtran6913
@uctrungtran6913 3 года назад
good
@johnnyleonard4482
@johnnyleonard4482 2 года назад
where does the water come from to cool the unit?
@oilhand99
@oilhand99 2 года назад
You can tap into the raw water pump, or the heat exchanger.
@johnnyleonard4482
@johnnyleonard4482 2 года назад
@@oilhand99 is this not use to vent as i've seen in other applications? Hence the line is place above the water line to drain over board?
@rethomasmarinehardware9290
@rethomasmarinehardware9290 Год назад
@@johnnyleonard4482 sorry for the late response. The "vent" application is more common on vessels that generally don't go faster than 10 knots. Vessels that come on plane (or semi-plane) should have some sort of forced water cooling so the seal doesn't become air bound.
@NeilBraun
@NeilBraun 3 года назад
Damm that looks nice. I just installed the other kind and no, I don't trust it.
@leonardodasilvabarrosdasil8753
@leonardodasilvabarrosdasil8753 2 года назад
Tem representante no Brasil?
@ismailismz9838
@ismailismz9838 Год назад
I think This shaft seal can joint in my ferry Stern tube.. how much per unit?
@rethomasmarinehardware9290
@rethomasmarinehardware9290 Год назад
It depends on the shaft diameter. Here's a link to the product page where you can see retail pricing and get more information. retmarine.com/shop/self-aligning-shaft-seals-sa-series/
@romakayak
@romakayak Год назад
Where does the cooling water come from?
@rethomasmarinehardware9290
@rethomasmarinehardware9290 Год назад
The cooling water is usually fed by taping into the heat exchanger and/or the boat's raw water pump.
@Interdiction
@Interdiction 2 года назад
How many hours would such a seal last
@rethomasmarinehardware9290
@rethomasmarinehardware9290 Год назад
These are heavy duty commercial grade propeller shaft seals. There are many commercial fishing boats here in Maine with well over 15,000 hours. We recommend inspecting and replacing the packing material yearly, the rubber hose should be changed out every 5-7 years.
@odhinkparront8289
@odhinkparront8289 3 года назад
Kereeennnn👍👍👍🙏🙏
@user-kc9by9ib2w
@user-kc9by9ib2w Год назад
МНЕ НУЖЕН ТОЛЬКО.РЕЗИНОВЫЙ ШЛАНГ.ВНУТРЕННИЙ ДИАМЕТР 60 ММ. -- НАРУЖНЫЙ 80--85 ММ.ДЛИНА 250 ММ.ВОЗМОЖНО ЛИ У ВАС КУПИТЬ ТАКОЙ ШЛАНГ.? СПАСИБО ЗА ОТВЕТ.
@benalbrecht
@benalbrecht 4 года назад
Is the water fed part required?
@rethomasmarinehardware9290
@rethomasmarinehardware9290 4 года назад
We highly recommend it for our self-aligning shaft system. For lower speed, lower horsepower boats (less than 10 knots or so) you "might" get away with capping off the water feed. At a minimum you should have the water connection "vented" to the outside of the hull to ensure air doesn't get trapped inside the stuffing box (airbound). Thank you!
@UQRXD
@UQRXD 9 месяцев назад
Change the packing yearly- forget it.
@user-kl3kk7wc4g
@user-kl3kk7wc4g 3 года назад
没搞懂
@michaeltualatin
@michaeltualatin 3 года назад
正压让水往外流不是往里,但是机器停了水压没了靠啥密封。。
@spearguncc9902
@spearguncc9902 3 года назад
@@michaeltualatin 静态那个橡胶密封套就可以搞定,向外排水是为了动态密封,顺带还有冷却效果
@sarahconner9433
@sarahconner9433 3 года назад
CLICKBAIT. This is an ad
@vicentesebastiangauto9785
@vicentesebastiangauto9785 8 месяцев назад
Bery
@MeaHeaR
@MeaHeaR 3 года назад
I thort Thumb-Nayle Waz bieng a sUB-mARINÉS
@cobrabull8289
@cobrabull8289 3 года назад
and whats inside in that invisible part?! and what for is that cable?! dislike from me.
@oilhand99
@oilhand99 3 года назад
What do you mean by invisible part?
@pollywanda
@pollywanda 3 года назад
Horrible background music
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