[Dsg-rich] N2 Filters

[Marc McMullen]

Amrit,

I have purchased 2 more of the size filter used on the compressed air 
circuit. We will use the filter originally purchased for the second 
compressor on the N2 circuit next week. Since that sized works just fine 
on the air circuit. I will return the two bad ones sometime next week.

Thanks,

Marc


On 12/8/2017 5:16 PM, Amrit Yegneswaran wrote:
> thanks for restoring the system to the original state, marc and george.
> we should expedite the procurement of replacement filters.
> have a good weekend.
>
> ------------------------------------------------------------------------
> *From: *"Marc Mcmullen" <mcmullen at jlab.org>
> *To: *dsg-rich at jlab.org
> *Sent: *Friday, December 8, 2017 5:04:02 PM
> *Subject: *Re: [Dsg-rich] N2 Filters
>
> The compressed air and N2 systems are approved for use and back 
> online. We are looking for a replacement for the filters to use on the 
> N2 circuit.
>
> Thanks
>
> Marc
>
>
> On 12/8/2017 3:13 PM, Amrit Yegneswaran wrote:
>
>     marc informed me that both the new N2 filters---the additional
>     filters to ensure aerogel quality is not degraded,  are leaking.
>     /Eli, Eli, lema sabachthani?/
>
>     george/marc please buy different, new filters ASAP.
>     we should have the new filters installed before the aerogels are
>     installed in the RICH.
>
>     in the interim, if marco wants to do some tests with the nitrogen,
>     we'll run the system without the additional filters.
>
>
>
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>
> -- 
> Marc McMullen
> Detector Support Group
> 757-269-7738
>
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-- 
Marc McMullen
Detector Support Group
757-269-7738

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