LHC Workshop CERN, January 2005 Session 3 Cryo/RF Options Simplified cooling scheme C (4.5 K; 3.0 bar) D (20 K; 1.3 bar) Warm recovery line (≤300 K; ≤1.1 bar) 4.5 K Refrigerator QUI QRL SC Cavities Safety System Fall-back for low intensity HP MP LP Warm Compressor Station Cold Box Safety System Back flow limitation Open points: Interface valves located in QRL Service Module Safety system (control valve, safety valve, bursting disc) Back flow limitation
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