Re: [PSUBS-MAILIST] Soft ballast venting valve

[Jon Wallace <jon@psubs.org>]

How resistant is it to being pierced or cut?

Greg Cottrell wrote:
> Hi guys,
>
> The US Navy seems to prefer bronze over stainless for saltwater. I use 
> stainless for welded components and bronze for bolt-on stuff. I also 
> like to use “liquid tight” flexible electric conduit for exterior non 
> –pressurized systems like ballast tank vent line. Liquid tight 
> fittings are made to go through bulkheads (like electrical enclosures) 
> and come with both o-rings and NPT so you can combine them with other 
> NPT hardware. The hose-ends are union style and the hose is easy to 
> cut/ assemble. The plastic (PVC) is UV stable and made for lengthy 
> outdoor service. Best of all, it’s really cheap!
>
> Greg C




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