Laura E Stewart CERN Cryogenics Group The GSI magnet and jumper design as supplied to CERN GSI Jumper designed for occasional opening and closing CERN Jumper designed for multiple opening and closing cycles ID: 239490
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Preliminary design of the magnet connection interface based on the GSI model but with a retractable interconnection bellows assembly to permit multiple opening and closing cycles
Laura E. Stewart
CERN Cryogenics GroupSlide3
The GSI magnet and jumper design as supplied to CERNSlide4
GSI Jumper designed for occasional opening and closing
CERN Jumper designed for multiple opening and closing cycles
Welded closure
Double O-Ring clamped connectionSlide5
GSI design
CERN design
Welded closure
Double O-Ring clamped closureSlide6
CERN design
Double O-Ring clamped closure
This LHC style clamped closure permits easy opening and re-closure of the bellows assembly and relatively easy replacement of the O-Rings if damaged. Additionally the position of the fixed clamping ring can be adjusted to give enough space for the cutting and welding machines required for each magnet connection.
Fixed clamping ringSlide7
The position of the fixed clamping ring on the vacuum vessel can be positioned to give maximum opening of the bellows assembly.
Fixed clamping ringSlide8
GSI jumper internal piping
CERN jumper internal piping respecting the GSI pipe sizes, positions and orientations