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12-17-2016, 07:18 PM
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#1
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Guru
City: Here
Join Date: Sep 2012
Posts: 2,940
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Identify this dripless seal
Can anyone identify the manufacturer of this dripless seal ?
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12-17-2016, 07:26 PM
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#2
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,834
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Other than color, it sure looks like a PSS shaft seal. Maybe an early version or a Chinese knockoff?
Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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12-17-2016, 08:28 PM
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#3
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Guru
City: Sarasota/Ft. Lauderdale
Join Date: Apr 2014
Posts: 5,438
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Based on the color it looks like an old Lasdrop or Duramax..
Actually the more I look at it the more it looks like a Duramax.
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12-17-2016, 09:50 PM
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#4
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Veteran Member
City: Easton, MD
Join Date: Dec 2016
Posts: 39
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12-17-2016, 11:42 PM
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#5
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Guru
Vessel Model: Nordic Tug 37
Join Date: Sep 2015
Posts: 1,107
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12-18-2016, 04:40 AM
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#6
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Guru
City: Carefree, Arizona
Vessel Name: sunchaser V
Vessel Model: DeFever 48 (sold)
Join Date: Apr 2008
Posts: 10,186
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BP
Looks like a trouble spot, did you flag it?
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12-18-2016, 07:23 AM
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#7
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Guru
City: Windsor
Vessel Name: Keeper IV
Vessel Model: 44 Viking ACMY
Join Date: Nov 2013
Posts: 1,350
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Please tell me you don't need it sent to you in the Bahamas.
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12-18-2016, 07:27 AM
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#8
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Guru
City: Here
Join Date: Sep 2012
Posts: 2,940
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Quote:
Originally Posted by mbevins
Please tell me you don't need it sent to you in the Bahamas.
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Very funny
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12-18-2016, 07:36 AM
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#9
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Guru
City: Here
Join Date: Sep 2012
Posts: 2,940
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Thanks guys but i have been through all the websites of the companies mentioned and cannot find anything that looks like this ......
It should be circa 2000 - 2006
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12-18-2016, 08:17 AM
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#10
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Guru
City: Here
Join Date: Sep 2012
Posts: 2,940
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Maybe this will help. I can't find one with the step in the "one piece plastic" part on any mfg's website.
Colour of bellows seems irrelevant as most mfg's offered different colours at different times.
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12-18-2016, 09:11 AM
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#11
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Guru
Vessel Model: Nordic Tug 37
Join Date: Sep 2015
Posts: 1,107
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12-18-2016, 09:15 AM
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#12
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Guru
City: Here
Join Date: Sep 2012
Posts: 2,940
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Quote:
Originally Posted by North Baltic sea
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Thanks but it does not have the "step" in the plastic disc.
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12-18-2016, 09:28 AM
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#13
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Veteran Member
City: Easton, MD
Join Date: Dec 2016
Posts: 39
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Quote:
Originally Posted by boatpoker
Thanks but it does not have the "step" in the plastic disc.
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Maybe only certain sizes had the "step" in the plastic disc.
The cooling water hose clamp looks like it has a non-stainless adjusting screw.
You might want to update your blog instead of dealing with stuff like this.
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12-18-2016, 11:08 AM
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#14
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Guru
City: Sarasota/Ft. Lauderdale
Join Date: Apr 2014
Posts: 5,438
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Here's a crazy thought, send the picture to a few drop less seal manufacturers and ask them.
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12-18-2016, 11:15 AM
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#15
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Technical Guru
City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
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I've never seen that seal. Sure did not leave much room between shaft coupling and seal!!
Is it leaking? Lasdrop is a face seal so should be pretty long lived and serviceable.
If you have to dig into it can you cut back the shaft tube a bit to give some more room?
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12-18-2016, 11:22 AM
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#16
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Guru
City: Here
Join Date: Sep 2012
Posts: 2,940
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Ski - I had a small leak and tightened up the bellows which seemed to cure it. I am now into preventative mode. I'd like to identify it so a.) I get mfg's instructions and limits on adjustment etc. and that I am prepared for rebuild if required. I'm not comfortable not knowing what I have. I'd actually prefer a conventional stuffing box as anyone can fix these in water. I can cut back the shaft tube 1/2" or so if I had to.
CapnBill - I have emailed the photo to every mfg. I could think of and as I've found is typical, not one of them has responded.
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12-18-2016, 11:45 AM
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#17
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Technical Guru
City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
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Pretty much anything beyond snugging clamps is going to require a haul and backing out the shaft.
I'd run it as long as it holds up. If it fails, replace it with a packing gland.
Might be a good idea to source a packing gland and keep it on the boat as a spare.
Look at the lengths. Packing gland would be of little use if it is jammed up close to the coupling.
Maybe the clearance issue is why they went with that seal???
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12-18-2016, 11:56 AM
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#18
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Veteran Member
City: Easton, MD
Join Date: Dec 2016
Posts: 39
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Could the shaft tube be shortened? That would give you more room to work with.
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12-18-2016, 12:24 PM
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#19
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Guru
City: Here
Join Date: Sep 2012
Posts: 2,940
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Kmac & Ski - Clearance is very very tight may be able to cut the tube back a little but not much. Tightening a conventional box would be tough.
I'd love to have spares or replacement on hand before I actually need it.
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12-18-2016, 12:36 PM
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#20
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Enigma
City: Slicker?
Join Date: Oct 2007
Posts: 16,566
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Greetings,
Mr. bp. How did this slip by in your extensive rebuild? Is it not considered a maintenance item? Did the vessel originally come with a dripless seal?
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