[PSUBS-MAILIST] Purge Valve

[Alec Smyth via Personal_Submersibles]

Hi Alan,

I simply bleed the O2 line with the flow valve that lets O2 into the cabin.

Best,
Alec

Sent from my iPhone

> On Mar 29, 2019, at 3:14 AM, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Thanks David,
> Still thinking through some of this stuff lol.
> Trying to make the systems bullet proof.
> Alan
> 
>> On 29/03/2019, at 5:53 PM, David Colombo via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> Hi Alan, the yoke that is attached to my hp air tank has a bleeder valve as part of the yoke, then a shut off valve prior to entering the pressure hull. Procedure for tank change out, shut valve, open bleed valve, then remove yoke.  I dont have the same type of setup for my o2 tanks though as there is no hidden pressure zone.
>> David
>> 
>>> On Thu, Mar 28, 2019, 9:06 PM Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>>> Hi,
>>> Just wondering if people use / have an external valve to purge air / O2 from the 
>>> system to enable the removal of the first stage yoke from the tank.
>>> With a dive set up you just press the second stage purge valve.
>>> Alan
>>> 
>>> 
>>> 
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