[Dsg-mvt] [New Logentry] Premix Bottle Leak Detected

Marc McMullen mcmullen at jlab.org
Fri Jul 14 14:19:38 EDT 2017


Hi Maxime,

We found leaks in both relief valves. We are contacting the DA to see 
what changes he wants to make.

Marc


On 7/14/2017 2:18 PM, mdefurne wrote:
>
> No... let s wait Monday. I might not have that much time this 
> afternoon. And this week end, I ll not be available. If we open the 
> bottle, we will waste gas trhough the main leak. So it s better to 
> first prepare the work that needs to be done and then open the bottle 
> to not waste it unnecessarily. Moreover the leak we are looking for in 
> the barrel is for one of the last tile. It will take a few hours 
> before being able to see it with the snoop.
>
> I ll think about the plan for next week  this week end.
>
> Have a good week end,
>
> Maxime
>
>
> Le 14/07/2017 à 13:26, Marc McMullen a écrit :
>>
>> Yes, should I open it?
>>
>>
>> On 7/14/2017 1:25 PM, mdefurne wrote:
>>>
>>> Thank you Marc,
>>>
>>> We will first plan to check the tubes in the Barrel visually (During 
>>> the installation , it is very likely one tube has been slightly 
>>> pulled by accident.)
>>>
>>> The snoop is just in case it is not as trivial as expected, and have 
>>> some gas flow. So you did close the bottle yesterday?
>>>
>>> Thank you again for your help.
>>>
>>> Maxime
>>>
>>>
>>> Le 14/07/2017 à 13:20, Amrit Yegneswaran a écrit :
>>>> guess snoop (dogg) in the gowning room will stop the leak!
>>>>
>>>> ------------------------------------------------------------------------
>>>> *From: *"Marc Mcmullen" <mcmullen at jlab.org>
>>>> *To: *"Maxime Defurne" <mdefurne at jlab.org>, dsg-mvt at jlab.org
>>>> *Sent: *Friday, July 14, 2017 11:59:51 AM
>>>> *Subject: *Re: [Dsg-mvt] [New Logentry] Premix Bottle Leak Detected
>>>>
>>>> Maxime,
>>>>
>>>> I am not sure what is causing the leak at the bottle regulator 
>>>> side. I'll leave a bottle of snoop in the gowning room.
>>>>
>>>> Marc
>>>>
>>>>
>>>> On 7/14/2017 11:31 AM, mdefurne wrote:
>>>>
>>>>     Hi Marc,
>>>>
>>>>     What is the plan to find the leak? Did you find it?
>>>>
>>>>     Could you prepare us the liquid to find leak (the soap?)?
>>>>
>>>>     It seems we also have a leak between two sectors in the barrel
>>>>     (But much less important compared to the one causing the
>>>>     -20psi/day). Using the soap will be useful if we do not find it
>>>>     straightforwardly.
>>>>
>>>>     Thank you,
>>>>
>>>>     Maxime
>>>>
>>>>
>>>>     Le 13/07/2017 à 11:53, Marc McMullen a écrit :
>>>>
>>>>         Maxime,
>>>>
>>>>         Are you flowing gas? The pressure has dropped by ~20 -
>>>>         30psi at the regulator. If you don't need the gas on we
>>>>         should turn it off. No obvious leaks detected outside.
>>>>
>>>>
>>>>         Thanks,
>>>>
>>>>         Marc
>>>>
>>>>
>>>>         On 7/12/2017 9:53 AM, mdefurne wrote:
>>>>
>>>>             Hi Marc,
>>>>
>>>>             Thank you very much for fixing the leak.
>>>>
>>>>             Maxime
>>>>
>>>>
>>>>             Le 12/07/2017 à 09:50, mcmullen at jlab.org a écrit :
>>>>
>>>>
>>>>                   Premix Bottle Leak Detected
>>>>                   <https://logbooks.jlab.org/entry/3478602>
>>>>
>>>>                 Lognumber 3478602
>>>>                 <https://logbooks.jlab.org/entry/3478602>.
>>>>                 Submitted by mcmullen
>>>>                 <https://logbooks.jlab.org/user/mcmullen> on Wed,
>>>>                 07/12/2017 - 09:48.
>>>>
>>>>                 Logbooks: 	HBMVT <https://logbooks.jlab.org/book/hbmvt>
>>>>
>>>>                 After monitoring the pressure of the pre-mix bottle
>>>>                 over the last few days, a leak was detected and
>>>>                 stopped. The leak was detected between the adapter
>>>>                 and the Tee for the relief valves. This joint was
>>>>                 previously leak checked.
>>>>
>>>>
>>>>
>>>>                 _______________________________________________
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>>>>                 Dsg-mvt at jlab.org
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>>>>
>>>>
>>>>
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>>>>
>>>>
>>>>         -- 
>>>>         Marc McMullen
>>>>         Detector Support Group
>>>>         757-269-7738
>>>>
>>>>
>>>>
>>>>         _______________________________________________
>>>>         Dsg-mvt mailing list
>>>>         Dsg-mvt at jlab.org
>>>>         https://mailman.jlab.org/mailman/listinfo/dsg-mvt
>>>>
>>>>
>>>>
>>>> -- 
>>>> Marc McMullen
>>>> Detector Support Group
>>>> 757-269-7738
>>>>
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>>>
>>>
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>>
>> -- 
>> Marc McMullen
>> Detector Support Group
>> 757-269-7738
>>
>>
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>
>
>
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-- 
Marc McMullen
Detector Support Group
757-269-7738

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