[Dsg-mvt] News about relief valves

[Marc McMullen]

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
>>>
>>
>
> _______________________________________________
> 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