Page 128 - Praxair - Specialty Gases and Equipment Solutions
P. 128

Oxygen






            Balance             (M)SDS               (M)SDS              Regulator                        Page
            Gas                 Range                                    Recommendations
            Argon               1 ppm - 23.4%        P-18-0285-B         Single Stage   PRS40023331-CGA   E •245
                                23.6 - 49% (1)       P-18-0131           Two Stage     PRS40123331-CGA    E •244
            Helium              1 ppm - 23.5%        P-18-0010-B         Line          PRS40052001-000    E •246
                                23.6 - 50% (1)       P-18-0014-A

            Nitrogen            1 ppm - 23.5%        P-18-0153-B
                                           (1)
                                23.6 - 49% (1)       P-18-0011-A


              Balance     Concentration     CGA    Praxair Grades*         Cylinder   Pressure   Contents
              Gas         Range                    E  N   M   P  C   U  Style     psig       ft 3    m 3
              Argon       0.5 ppm - 5%      580               •   •   •   AS      2000       153     4.33
                                    (2)
                          5.01 - 23.5%      590               •   •   •   AQ      2200         89    2.52
                                    (2)
                          23.6 - 99.9%      296               •   •   •   A3      2200         33    0.93
                                    (2)
                                                              •   •   •   K       2000       226     6.40
                                                              •   •   •   Q       2000         75    2.12
                                                              •   •   •   G       2000         38    1.08
              Helium      0.5 ppm - 5%      580               •   •   •   AS      2000       135     3.82
                                    (2)
                          5.01 - 23.5%      590               •   •   •   AQ      2200         78    2.21
                                    (2)
                          23.6 - 99.9%      296               •   •   •   A3      2200         29    0.82
                                    (2)
                                                              •   •   •   K       2000       199     5.64
                                                              •   •   •   Q       2000         67    1.90
                                                              •   •   •   G       2000         34    0.96
              Nitrogen    0.5 ppm - 5%      580    •   •   •   •   •   •   AS     2000       142     4.02
                                    (2)
                          5.01 - 23.5%      590    •   •   •   •   •   •   AQ     2200         78    2.21
                                    (2)
                          23.6 - 99.9%      296    •   •   •   •   •   •   A3     2200         29    0.82
                                    (2)
                                                   •   •   •   •   •   •   K      2000       199     5.64
                                                   •   •   •   •   •   •   Q      2000         67    1.90
                                                   •   •   •   •   •   •   G      2000         34    0.96
              (1)   For concentrations above 50%, the (M)SDS for the inverse mixture applies (i.e. Argon in Oxygen).
              (2)   Available concentrations for NIST traceable mixtures to be determined by available reference materials.
              *  Key for Praxair Mixture Grades (Refer to page C •92 for complete specification details.)
                EPA (E), Primary Master (PM), Certified Master (CM), Primary Standard (P),
                Certified Standard (C), Non-Certified Standard (U)                                                  Section C – Mixtures




















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