First barrel feedthrough crates in CERN.
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View of two barrel signal feedthroughs in their crate,
with their traveller sheet.
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Electrical tests.
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Leak tests.
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Removing signal feedthrough from its crate.
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Funnel cutting with orbital cutter.
Roy is having a close look, as the same operation will have to
be performed on the endcap signal feedthroughs.
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Supporting feedthrough for super-insulation installation.
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Installation of super-insulation.
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Super-insulation installed.
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Installing feedthrough on cryostat insertion jig.
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Cryostat insertion jig attached to hoist.
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Preparing cryostat for feedthrough insertion.
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Cryostat funnel cut.
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Feedthrough being moved to the top of the barrel cryostat.
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Feedthrough being brought into position on the cryostat. Notice the
already installed feedthrough on the left.
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Feedthrough being brought into position on the cryostat. Notice the
already installed feedthrough on the left.
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Feedthrough being brought into position on the cryostat. Notice the
already installed feedthrough on the left.
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Inserting pigtail protector before welding the feetdhrough to the cryostat.
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Pigtail protector stopper.
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View of pigtails. Notice the protected pigtails for 2 other
installed feedthroughs on the left.
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Tack welding the feedthrough to the cryostat. The feedthrough is held
snuggly in place by an overpressure in the bellows.
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The feedthrough is tack welded to the cryostat.
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Orbital welding of the feedthrough to the cryostat.
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Pierre Pailler (behind feedthrough pigtails,
Cryostat and Cryogenics Project Leader) with the BNL
feedthrough team and a feedthrough unit just before being installed
on the barrel cryostat.
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Tom Muller (right) and Michel next to the barrel cryostat in building 180
at CERN.
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Members of the UVic endcap signal feedthrough team posing as tourists
on the barrel cryostat.
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Pierre Pailler (right, Cryostat and Cryogenics Project Leader) with the BNL
feedthrough team in front of the barrel cryostat.
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