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  1. #21
    Join Date
    Oct 2013
    Location
    Shropshire - Sundance, Bristol Channel
    Posts
    703

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    Quote Originally Posted by sarabande View Post
    The only issue I have is that Mikalor seem to have zinc-plated only, but that may be me mis-reading the website.
    They do a W2 clamp which has a plated bolt or a W4 with a stainless bolt. They do a W5 with a 316 bolt as well but there's not many people selling them.

    As I tend to check them pretty much every time I'm on the boat opening and closing the cock I'm going for the W4 as they won't be under water all the time. I have spares so they can be changed easy enough if needs be but I've not had an issue with my jubilee clips with a zinc screw that were fitted by tge previous owner.
    Tom, Sundance
    2wheels1keel.com

  2. #22
    Join Date
    Aug 2013
    Location
    SW Scotland
    Posts
    17,091

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    Quote Originally Posted by sarabande View Post
    Why does need two ? Of one fails for some reason, then another of the same design and specification is also likely to fail for the same reason (basic risk management stuff).
    I've only once had a hose let go. It was an inaccessible end of a cooling hose on the DS, and it went because I forgot to tighten the clamp. If it had been double clipped I'd have forgotten to tighten both of them.
    "Seamen are always wanting to do things the proper way; and I like to do them my way."

  3. #23
    Join Date
    Jul 2001
    Location
    Cyberspace
    Posts
    32,232

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    .
    The smallest Mikalor clamp seems to be 16mm - will this be tight enough for 13mm ID water hose?

    - W

  4. #24
    Join Date
    Jun 2005
    Location
    Mid Devon
    Posts
    6,080

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    Get Your Mikalors from your local hydraulics shop. Still 316 but a quarter the price of chandlery offerings.
    Brexit: Taking back our freedom as a sovereign nation.

  5. #25
    Join Date
    Nov 2007
    Location
    Boat Orwell - Me Norwich
    Posts
    5,701

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    I suspect that insurance companies do not have views on the matter at all, but they will want to be assured that you've undertaken all the recommendations of your qualified surveyor. So the issue is making sure your surveyor has been briefed as to the very sensible reasons you have consciously chosen a more robust clamp, and why it doesn't need and can't accommodate a second clamp.

    I imagine there are some who will refuse to change their habits (and cut and paste recommendations) of a lifetime, but hope most would recognise that there are other ways of doing things, and a diligent and thoughtful owner is probably a better bet for safety the another cheapie clamp.

    (A couple of times I've 'negotiated' amendments to surveyor's original reports, and they've been quite happy to change things which they hadn't put a lot of thought into, but which would be much less onerous if clarified or reworded to achieve the same safety benefit another way; scheduled for monitoring rather than immediate complete replacement of a non-critical item; option of removing completely, rather than bolting down solidly, a bit of 'loose' kit; etc.)

  6. #26
    Join Date
    Nov 2004
    Location
    Medway, UK, boat in SYH
    Posts
    2,137

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    Worth flagging that Mikalor is just a brand name, you can get the equivalent of their Supra Clamp from Jubilee too in 304 or 316 stainless see for example:

    https://www.asap-supplies.com/hose/h...ee-superclamps

    no interest etc

  7. #27
    Join Date
    Jan 2004
    Location
    Bricks & mortar: Italy. Me & boat: Aegean
    Posts
    9,548

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    Quote Originally Posted by RivalRedwing View Post
    Worth flagging that Mikalor is just a brand name, you can get the equivalent of their Supra Clamp from Jubilee too in 304 or 316 stainless see for example:
    Post #6. Yours may flutter past people, too
    Mac

  8. #28
    Join Date
    May 2009
    Location
    Wirral
    Posts
    469

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    I think having two jubilee clips stems back to the days when all clips were mild steel and they could rust through unseen,its only fairly recently that the price of stainless fitting has become more reasonable.
    Leisure Owners Association

  9. #29
    Join Date
    Aug 2013
    Location
    SW Scotland
    Posts
    17,091

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    Quote Originally Posted by peteK View Post
    I think having two jubilee clips stems back to the days when all clips were mild steel and they could rust through unseen ...
    That sounds extremely plausible.
    "Seamen are always wanting to do things the proper way; and I like to do them my way."

  10. #30
    Join Date
    Nov 2004
    Location
    Medway, UK, boat in SYH
    Posts
    2,137

    Default Re: Twin Jubilee Clips or Single Mikalor Supra Clamp?

    Quote Originally Posted by macd View Post
    Post #6. Yours may flutter past people, too
    oops ;-)

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