Re: [PSUBS-MAILIST] Pressure relief valve?

[atozed@juno.com]

Use a manual valve instead of ball and  spring.
Remember Dobrovolsky?
-PK

On Tue, 21 Sep 2004 01:25:15 -0400 "Alec Smyth"
<Alec.Smyth@compuware.com> writes:
> I'm wanting to install a pressure relief valve to cover against a 
> pressure buildup in the cabin popping off the dome upon surfacing. 
> The idea would be to put this valve directly onto the ambient 
> pressure line that leads to the depth meter, so as to use an 
> existing through-hull. If pressure in the cabin exceeded ambient, it 
> would bleed off to the outside. I bought a check valve that's a 
> simple nylon ball and spring affair, good to 400 psi, but it doesn't 
> seem to seal 100% effectively at low pressure. Does anyone have a 
> recommendation?
>  
> thanks,
>  
> Alec
> 
> 
> 
> 
>
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