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Seacocks and through-hull fittings, Non-metallic

Discussion in 'Technical Discussion' started by menkes, Feb 5, 2019.

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  1. menkes, Feb 5, 2019
    #1
    menkes

    menkes Member

    Joined:
    Mar 13, 2007
    Messages:
    109
    Location:
    Aretsou, greece
    Lately the non-metallic seacocks became very popular in the area I am sailing (Greece).
    The most popular, by far, brand is a NewZealand company TruDesign.
    They claim they meet ISO 9093-2.
    I want to point out decisively that I have no interest in this company except for considering it's products for replacing old sea-cocks on my boat.
    I have no experience and knowledge on this type of products and I'll appricate the forums members opinions about it.
    thanks
    Nahum
  2. Capt J, Feb 5, 2019
    #2
    Capt J

    Capt J Senior Member

    Joined:
    Jul 11, 2005
    Messages:
    14,434
    Location:
    Fort Lauderdale
    I prefer bronze. Bronze shows you when there is an issue with them before they break. Usually when they break it's a small piece. The Marelon, I've seen simply snap right off when they get old. Now it's rare, but I've seen it twice.
  3. Capt Ralph, Feb 5, 2019
    #3
    Capt Ralph

    Capt Ralph Senior Member

    Joined:
    Sep 8, 2004
    Messages:
    12,736
    Location:
    Satsuma, FL
    I've had bad luck with composite handles on a few vendor cocks.
    Never been around a TruDesign unit but on the website, the handles look flimsy also.

    I raised heck to Forespar once, they pointed me to the tag that is attached to the cock and all their other install pubs. Operate cock monthly and use their grease.
    Rite,,,,,,
    I stay with bronze..