[Dsg-rich] disconnected RICH N2 backup manifold banks

Denny Insley dinsley at jlab.org
Thu Feb 7 09:13:18 EST 2019


Sure

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From: Tyler Lemon
Sent: Thursday, February 7, 2019 8:50:21 AM
To: Bob Miller; Denny Insley; dsg-rich
Subject: disconnected RICH N2 backup manifold banks


Hello Bob and Denny,


George mentioned this morning that the two backup N2 banks for RICH have been disconnected from the backup manifold because correct orifices and relief valves were not installed on the N2 banks.


He also mentioned that he has given the components to Hall B this morning to be able to install the missing relief valves and orifices.


Once the N2 banks are set back up with the correct components, could the bank regulators be set to 20 psi and 18 psi rather than 12 psi and 10 psi?


The higher pressures would compensate for the pressure drop across the N2 panel filters and the system should be able to flow what is needed to RICH from the backup system.


Best regards,

Tyler
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