Page 109 - Praxair - Specialty Gases and Equipment Reference Guide
P. 109

Ethane






            Balance             (M)SDS               (M)SDS              Regulator                        Page
            Gas                 Range                                    Recommendations
            Air                 1 ppm - 1.5%         P-18-0093           Single Stage   PRS40023331-CGA   E •245
            Helium              1 ppm - 8.4%         P-18-0112           Two Stage     PRS40123331-CGA    E •244
                                8.41 - 49.9%         P-18-0130           Line          PRS40052001-000    E •246
            Nitrogen            1 ppm -12%           P-18-0099
                                12.1 - 50%           P-18-0459



              Balance     Concentration     CGA    Praxair Grades*        Cylinder   Pressure   Contents
              Gas         Range                    E   N   M   P   C   U   Style   psig      ft 3    m 3
              Air         1 ppm - 1.5%      590               •   •   •   AS      2000       146     4.13
                                    (1)
                                                              •   •   •   K       2000       215     6.09
                          L.E.L. 3.0%                         •   •   •   Q       2000         72    2.04
              Helium      1 ppm - 50%       350               •   •   •   AS      2000       134     3.79
                                    (1)
                                                              •   •   •   K       2000       198     5.61
                                                              •   •   •   Q       2000         66    1.87
              Nitrogen    1 ppm - 50%       350               •   •   •   AS      2000       149     4.22
                                    (1)
                                                              •   •   •   K       2000       221     6.26
                                                              •   •   •   Q       2000         74    2.10

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