Installation for dispensing ultra-pure gas comprising a purifying unit

摘要

The invention concerns an installation for dispensing ultra-pure gas comprising a main purifying unit (22) installed between a gas supply intake (16) and an ultra-pure gas dispensing outlet (18), and a branch loop (28) mounted parallel to said main purifying unit (22). The branch loop (28) comprises an auxiliary purifying unit (30). The invention is useful for dispensing ultra-pure helium, or ultra-pure oxygen.