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

[sousa, stephen (ENG)]

Apollo had an a issues few years ago using a brass ball in there product. I
think they changed the design not sure and the folks at West Marine wouldn't
know. I know that Buck manufacturers a great product in addition to other
bronze products.

Stephen
#114 

-----Original Message-----
From: public-list-bounces at alberg30.org
[mailto:public-list-bounces at alberg30.org] On Behalf Of dan walker
Sent: Friday, July 23, 2004 1:16 PM
To: Alberg 30 Public List -- open to all
Subject: RE: [Public-list] thru hulls and seacocks and ball valves


so are ya'll telling me that the ball valves at west are not bronze? does it
matter or are the thru hulls bronze and dissimilar metals will do funky
things? dan

"sousa, stephen (ENG)" <sousa_stephen at emc.com> wrote:
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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