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Old 11-29-2011, 11:43 AM
Brion Toss Brion Toss is offline
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Hi there,
55 years? I've seen hose clamps, bonded and otherwise, crumbling in a tenth that time. Mild climate, dry environment, and low sodium come to mind as longevity determinants...
Fair leads,
Brion Toss
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  #2  
Old 11-29-2011, 09:55 PM
allene allene is offline
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Quote:
Originally Posted by Brion Toss View Post
Hi there,
55 years? I've seen hose clamps, bonded and otherwise, crumbling in a tenth that time. Mild climate, dry environment, and low sodium come to mind as longevity determinants...
Fair leads,
Brion Toss
Here is what they looked like just before replacing them. And to tell the truth, the hoses were so in love with the fittings that the clamps were redundant anyway. But, I would not recommend waiting this long.



Here is what they look like now. This looks better to me :-)



This boat was in SF Bay for 20 of the 55 years, Los Angeles before that.

Allen
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Old 12-01-2011, 10:57 PM
Stumble Stumble is offline
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I have also seen a small umber of titanium hose clamps being used. While I don't have any direct experience with them, personally I am in love with the other titanium parts I have on the boat.

And effective immunity to galvanic corrosion goes a long way in my book.
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Old 12-08-2011, 05:47 AM
marujo.sortudo marujo.sortudo is offline
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I'm looking forward to trying out the Clamptite tool where I'm replacing some hoseclamps; although, I may still use some hose clamps in places where it's difficult to get the tool in or where I disconnect hoses for decommissioning. I got some of the .041" Monel-equivilent wire and .051" 316L wire for larger hoses. Of course, I still plan on doing regular inspections and keeping multiple "clamps" on important hoses. I had investigated the Titanium hose clamps earlier, but all the sources I found on line claimed to be out-of-stock for most sizes which made me wonder if maybe production hadn't been halted for some reason. I haven't talked with anyone that has direct experience with them, but some anecdotal reports I read on-line suggested that their corrosion resistance was excellent; however, they couldn't be tensioned as much as stainless (i.e., they would strip their threads at lower levels of tension.) I'd be interested in hearing more about them as well, if they continue to be available.
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