Join Date: Jan 2009
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"bypassed" bronze seacock
Hate to ask again, but I think I need your advice.
Apparently, one of my heavy old bronze seacock (cone shaped, 1 1/2") is "bypassed" as I can't drain it (when I unscrew the drain plug the water does not stop).
When I greased the cone last summer I realized some slight corrosion. And since it was perfectly dry I thought it might work another year. Well, it doesn't. I will replace it with a Blakes (??) as soon as the boat goes out in May.
I don't feel like going for a dive now and plug the thru hull from the outside. At least not yet. Well, I don't think I will feel like it if the water temp drops below 1°C but the pressure will be high enough to make me jump, then.
My set of questions:
1) Closing the seacock with the water trapped in the cone seems to me even more dangerous than leaving it open so the (freezing and thus expanding) water can move up.
2) Does anyone know a trick to cope with it?
3) What about Blakes seacocks? Not the cheapest choice but they look solid and easy to maintain. Does anyone know a better one?