[Public-list] thru hulls and seacocks and ball valves

[sousa, stephen (ENG)]

Buck Algonquin does manufacture a complete bronze ball valve, they are not
any more expensive than Apollo or others.

Stephen
#114

-----Original Message-----
From: public-list-bounces at alberg30.org
[mailto:public-list-bounces at alberg30.org] On Behalf Of
barchettamia at pinelink.org
Sent: Friday, July 23, 2004 12:08 AM
To: Alberg 30 Public List -- open to all
Subject: Re: [Public-list] thru hulls and seacocks and ball valves


I used ball valves for 10 years on my engine intake in fresh water with no
problems. But, there is a thread problem. Ball valves have tapered pipe
threads, thru hulls have straight threads. More importantly though there is
no ball valve that is 100% bronze.They may last quite a while but If you use
them I would replace them after 5 years or so.

Before moving to Salt water I replaced all my thru hulls and added Apollo
seacoocks and new hoses. It was a lot of work and it wasn't cheap. I did
change to 3/4 for the engine intake and also used a variety of bronze hose
barbs  (90 degree, straight ...) and bronze fittings.

Its given me piece of mind.

Jim Allocco
Barchetta Mia #565





 I almost sent a post to the original message regarding seacocks/ball
> valves.
> I'm slowly putting in ball valves in all my thru hulls; I think 
> seacocks are for a previous era of seamanship.
>
> Best I can tell, seacocks advantage is they can be torn down for 
> inspection and maintainance (in fact, you pretty much have to every 
> pullout). Can't do
> that with ball valves, but with teflon coated stainless, one doesn't need
> to.
>
> there may be dissimilar thread issues with ball valves and thru hulls, 
> and 2. on some ball valves the shaft that holds the handle is common 
> steel-it will eventually rust to non function.
>
> I have a ball valve under the engine  in the bilge teed off the 
> seawater intake (for winterizing, etc.) been in place 20 + years. 
> still works perfectly.
>
> Michael Grosh
> #220
>
>
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