Page 130 - Praxair - Specialty Gases and Equipment Solutions
P. 130

Propane






            Balance             (M)SDS               (M)SDS              Regulator                        Page
            Gas                 Range                                    Recommendations
            Air                 1 ppm - 1.65%        P-18-0091-A         Single Stage   PRS40023331-CGA   E •245
            Helium              1 ppm - 4.5%         P-18-0106-A         Two Stage     PRS40123331-CGA    E •244
                                4.46 - 50%           P-18-0486           Line          PRS40052001-000    E •246
            Nitrogen            1 ppm - 6.5%         P-18-0270-B
                                6.6 - 50%            P-18-0487



              Balance     Concentration     CGA    Praxair Grades*         Cylinder   Pressure   Contents
              Gas         Range                    E  N   M   P  C   U  Style     psig       ft 3    m 3
              Air         0.1 ppm - 1.05%    590   •   •   •   •   •   •   AS     2000       146     4.13
                                       (2)
                                                   •   •   •   •   •   •   AQ     2200         84    2.38
                                                   •   •   •   •   •   •   A3     2200         32    0.91
                                                   •   •   •   •   •   •   K      2000       215     6.09
                                                   •   •   •   •   •   •   Q      2000         72    2.04
                          L.E.L. 2.1%              •   •   •   •   •   •   G      2000         36    1.02
              Helium      0.1 ppm - 50%     350               •   •   •   AS      2000       135     3.82
                                     (1)
                                                              •   •   •   AQ      2200         78    2.21
                                                              •   •   •   A3      2200         29    0.82
                                                              •   •   •   K       2000       199     5.64
                                                              •   •   •   Q       2000         67    1.90
                                                              •   •   •   G       2000         34    0.96
              Nitrogen    0.1 ppm - 50%  (1)(2)    350   •   •   •   •   •   •   AS   2000   142     4.02
                                                   •   •   •   •   •   •   AQ     2200         82    2.32
                                                   •   •   •   •   •   •   A3     2200         31    0.88
                                                   •   •   •   •   •   •   K      2000       209     5.92
                                                   •   •   •   •   •   •   Q      2000         70    1.98
                                                   •   •   •   •   •   •   G      2000         35    0.99

              (1)   Cylinder pressure and contents will vary proportionately at higher concentrations.
              (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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