Post-repair beamtube leak rate

Document #:

LIGO-T1400667-v1

Document type:

T - Technical notes

Abstract:

Preliminary constraint on residual leakage in LLO Y tube after GV7 containment, 10/13-16/2014.

Files in Document:

• memo pdf (leak_limit_prelim_T1400667-v1.pdf, 801.0 kB)

Other Files:

• memo docx (leak_limit_prelim_T1400667-v1.docx, 1.1 MB)
• mfile, P & T data acquisition (get_pressures_lite.m, 1.7 kB)
• mfile, RGA analysis (MID_Ybeamtube_16Oct14a.m, 7.5 kB)
• mfile, cc gauge analysis (leakmodel2.m, 3.9 kB)

Topics:

• Subsystem Test
• Vacuum

Authors:

• Michael Zucker

Keywords:

valve vacuum GV7 repair beamtube

Related Documents:

• LIGO-E1400166: LGV7 Containment Vessel Installation Plan

Referenced by:

• LIGO-T1400723-v1: LLO Y beamtube leak & outgassing rates
• LIGO-E1600038: Gate Valves and Valve Leaks
• LIGO-E1600037: Beamtube Leakage