PSA nitrogen generators use air as raw material to produce N2 under room temperature, ... point: ≤-45oCPrinciples:It uses carbon molecular sieve as sorbent, produces nitrogen by making use of the PSA principle. Under certain pressure ... , deoxidization, storage of electronic products. Used in fields such as peak welding, circumfluence welding, crystal, piezoelectricity, electronic porcelain, electronic ...