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Differing advice--can someone clarify?
In reading about seacock maintenance, I am reading and hearing that seacocks require annual lubrication, but ball valves are relatively maintenance free. I had thought that ball valves are a kind of mechanism in the seacock, not a different fitting altogether. And I can't understand why a seacock needs annual maintenance, but a ball valve doesn't. Is there anything that a ball valve does need, other than regular operation to ensure it still works?
I am not talking about gate valves, which I understand are bad on a boat because one can't tell if they are open or closed, and apparently they aren't as reliable.
Thanks for any clarification.