[Dsg-ltcc] LTCC gas system leak checks

Patrizia Rossi rossi at jlab.org
Tue Aug 29 12:03:57 EDT 2017


Thank you!

patrizia
---------------------------------------------------
# Patrizia Rossi
# Jefferson Lab 
# 12000 Jefferson Avenue
# Suite 5
# Newport News VA 23606 (USA)
# e-mail: rossi at jlab.org
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> On 29/ago/2017, at 12:00, Amrit Yegneswaran <yeg at jlab.org> wrote:
> 
> hi maurizio,
> there are indeed very small leaks in the gas lines. 
> about 3% of the LTCC leaks, i think, stems from the valves piping.
> i suspect these leaks are from the "quater century" old valves.
> even some new valves, those recently procured for the MVT, tend to have some minuscule leak.
> so:
> DSG will help determine the leaks.
> if the leaks are the valve sites, you would have to buy new valves to fix them.
> if the leaks are at the pipe joints, we can fix them with toothpaste/chewing gum (JK!)
> brian and marc are in the process of quantifying the leaks.
> amrit
> 
> 
> From: "Maurizio Ungaro" <ungaro at jlab.org>
> To: "Amrit Yegneswaran" <yeg at jlab.org>
> Sent: Tuesday, August 29, 2017 11:39:07 AM
> Subject: LTCC gas system leak checks
> 
> Hi Amrit, 
> 
> While waiting on Brian's number it seems to me (please correct me if I'm wrong) that there are indeed small leaks in the gas line (sector 4).
> 
> I suspect we're going to have small leaks in the gas lines in all sectors.
> David today or tomorrow will jumper sector 5 as well. Sector 3 (big leaker) will be next.
> 
> I talked with Patrizia and she agree that it is important to find and fix those asap, would DSG be able to do it? 
> 
> Thanks,
> 
> Mauri

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