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post #1 of 9 Old 03-01-2013 Thread Starter
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Bronze Ball Valve Brand?

I need to replace several of the ball valves on my thru hulls as the studs holding the handles have become stripped and no amount of rethreading works for more than a few open-close cycles. On top of the threads being stripped, the squared surface that the handles seat on has been rounded on one and requires vise grips to turn. I don't want to awaken the Marelon vs. bronze debate because the actual thru hull fittings are in great shape. Does anyone have a brand recomendation for bronze ball valves? I imagine, just as in hose clamps, there are several levels of quality and I don't want to skimp below the water line!

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post #2 of 9 Old 03-01-2013
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Re: Bronze Ball Valve Brand?

I have Apollo brand on my boat and they have held up very well.
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I'm a Steamfitter. Almost all chemical plants and process facilities use Apollo valves. They aren't cheap, but they seem to be a premium quality.
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post #4 of 9 Old 03-01-2013 Thread Starter
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Re: Bronze Ball Valve Brand?

Apollo is what I will be replacing. Maybe it's just 30 years of use and the funny angle that the handle sits that has made the handle round over. I was also looking at a Buck-Algonquin ball valve that has a separate stud for the bonding wire. Anyone out there have any experience with BA ball valves? Good quality? They have a pricetag that suggests quality... I like the separate stud for bonding because i suspect that having the bonding terminal attached by the same nut that secures the handle has led to the thread stripping problem.

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post #5 of 9 Old 03-01-2013
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30 years of service from anything is going the distance in my book.

Never heard of Buck-Algonquin.
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post #6 of 9 Old 03-01-2013
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Re: Bronze Ball Valve Brand?

If it is and older boat with the NPT valve placed onto the NPS through hull its and old and BAD way of doing things




idealy you would have a more modern seacock or one of the new bases with NPT threads that allow and NPT valve to be used correctly

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post #7 of 9 Old 03-01-2013
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Re: Bronze Ball Valve Brand?

BA is good but I think the appolo has a screw for ground, another brand is Conbraco Groco makes one too. personally i would consider a plastic one like Forespar as the track record with these is good. What ever you use, use a flanged type like the pix above, anything else is not a true seacock but a ball valve on a through hull.

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post #8 of 9 Old 03-01-2013
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Re: Bronze Ball Valve Brand?

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Originally Posted by DannyboyUpstate View Post
30 years of service from anything is going the distance in my book.

Never heard of Buck-Algonquin.
The Industry Leader in Quality Marine Hardware for over 50 years
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post #9 of 9 Old 03-02-2013
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Re: Bronze Ball Valve Brand?

As far as I know all the US seacock manufacturers use 85-5-5-5 (copper, tin, zinc, lead) AKA leaded red brass, composite bronze, Alloy 836. Even Spartan seacocks are made of Alloy 836. The Spartan is beautifully made and a very simple conical design. Apollo, Buck-Algonquin, Groco and Perko are the only other bronze (some SS) seacock manufacturers I know of. Perko uses a phenolic ball. The rest use a chrome plated bronze or brass. I know they all use Alloy 836 for the housings. I haven't checked to see what they use for the balls of stems. I'd call them and ask about those parts. My preference is a bronze handle over the stainless one.

Make sure you get a real seacock, one that has no threads showing, they're the strongest and safest.
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