[Dsg-mvt] News about relief valves

[Marc McMullen]

Matt is the DA, this system is already connected, no approval is needed. 
I'll turn on the Argon now (2psi).


On 7/19/2017 2:45 PM, mdefurne wrote:
> We are ready to switch to Argon. So if you can do it this afternoon or 
> tomorrow morning, that would be great.
>
> Also can you send me the name of the DA for the relief valve? Is it 
> Matt Marchlik? If it could be approved quickly, again, that would be 
> great for our future test.
>
> Thank you Marc,
>
> Have a good day,
>
> Maxime
>
>
> Le 19/07/2017 à 14:31, Marc McMullen a écrit :
>> Hi Maxime,
>>
>> Just let me know when to turn on the gas.
>>
>> Marc
>>
>>
>> On 7/19/2017 2:29 PM, mdefurne wrote:
>>> Hi Marc,
>>>
>>> Apparently the minimal pressure at the entrance of the gas rack 
>>> should be 50 mbar above atmospheric pressure. At the exit of the 
>>> bottle, it should then be more, about ~100 mbar.
>>> However, as long as we have these leaks on the relief valve we would 
>>> like to stop running with premix. It is precious since there are 
>>> only three bottle left (or four?). And we need to keep one for the 
>>> new tiles coming this fall before installation. So not that much 
>>> left to do all the test we need.
>>>
>>> We took a look inside the MVT checking all the tube connections for 
>>> a leak and we did not find any of them suspicious. Is it possible to 
>>> switch to Argon in order to use the sniffer to check all the 
>>> connections?
>>>
>>> Thank you,
>>>
>>> Maxime
>>>
>>> Le 18/07/2017 à 11:08, Marc McMullen a écrit :
>>>> Hi Maxime,
>>>>
>>>> We have tested the relief valves and found that they both leak. We 
>>>> will work with the Matt to find an economical solution to these 
>>>> type of vavles.
>>>>
>>>> In the mean time, what is the minimum required pressure for the 
>>>> premix to your system. The loss can be managed until a better 
>>>> solution can be acquired.
>>>>
>>>> Regards,
>>>>
>>>> Marc
>>>>
>>>>
>>>> On 7/18/2017 10:49 AM, mdefurne wrote:
>>>>> Hi Marc,
>>>>>
>>>>> What are the news concerning the relief valves? Did you replace them?
>>>>>
>>>>> Have a good day,
>>>>>
>>>>> Maxime
>>>>>
>>>>
>>>
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>>
>
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-- 
Marc McMullen
Detector Support Group
757-269-7738