Title: Helium Liquefier (QT) System at NM4  
Author: M. A. Ishara Fernando Nov 29, 2021
Last Changed by: D Keller Oct 03, 2024
Tiny Link: (useful for email) https://confluence.admin.virginia.edu/x/tdx5BQ
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Wiki Post Portal (3)
    Page: HR3 Manual
    Page: Polarized Target System for SpinQuest at FNAL
    Page: HR3 operations
Hierarchy
Parent Page
    Page: Polarized Target System for SpinQuest at FNAL
Children (20)
    Page: Bringing the Dewar Pressure down in Liquefy/Idle mode
    Page: Cleaning gHe outside tank using the purifier
    Page: Cleaning QT purifier Helium-space (OLD)
    Page: Cleaning QT purifier LN2 space
    Page: Cold-helium Circulation Procedure (Cooldown Transferline)
    Page: Configurations for Cooldown and Production
    Page: Dewar Cleaning Procedure (using the transfer line)
    Page: Filling LN2 to the purifier using a portable Dewar
    Page: Fixing dewar level indicator
    Page: HR3 operations
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Recent Changes
Time Editor  
Oct 03, 2024 11:58 D Keller View Changes
Sep 11, 2024 10:20 M. A. Ishara Fernando View Changes
Apr 15, 2024 07:50 Kenichi Nakano View Changes
Dec 12, 2023 23:18 Kenichi Nakano View Changes
Dec 12, 2023 23:12 Kenichi Nakano  
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    https://confluence.admin.virginia.edu/display/twist/Cryogen…
    https://e906-gat1.fnal.gov/data-summary/e1039/target-QT-HMI…
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Wiki Post Portal (21)     Page: Helium Liquefier (QT) System at NM4
    Page: LHe Transfer Efficiency
    Page: Dewar Cleaning Procedure (using the transfer line)
    Page: QT System Starting Procedure
    Page: Cleaning QT purifier Helium-space (OLD)
    Page: LHe fill procedure using a QT dewar
    Page: Configurations for Cooldown and Production
    Page: Cleaning QT purifier Helium-space (pumping-purging the purifier)
    Page: Shut Down and Restart Procedures
    Page: Cleaning QT purifier LN2 space
    Page: Fixing dewar level indicator
    Page: LHe fill procedure using a commercial dewar
    Page: HR3 operations
    Page: Liquefier Cleaning when Dewar contains LHe
    Page: Filling LN2 to the purifier using a portable Dewar
    Page: Cold-helium Circulation Procedure (Cooldown Transferline)
    Page: Resolving Liquefier Blocking Alarm when Liquefier is on Idle Mode
    Page: LHe Production Rate Optimization
    Page: Resolving Liquefier Blocking Alarm when Liquefier is on Liquefy Mode
    Page: Cleaning gHe outside tank using the purifier
    Page: QT Dewar Cooldown Mode from Room Temperature