Page 111 - Praxair - Specialty Gases and Equipment Solutions
P. 111

Ethylene






            Balance             (M)SDS               (M)SDS              Regulator                        Page
            Gas                 Range                                    Recommendations
            Air                 1 ppm - 1.4%         P-18-0094-A         Single Stage   PRS40023331-CGA   E •245
            Helium              1 ppm - 4.1%         P-18-0109           Two Stage     PRS40123331-CGA    E •244
                                4.2 - 20%            P-18-0132-A         Line          PRS40052001-000    E •246
            Nitrogen            1 ppm - 6%           P-18-0462
                                6.1 - 50%            P-18-0463



              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 - 1.35%     590               •   •   •   AS      2000       146     4.13
                                     (1)
                                                              •   •   •   K       2000       215     6.09
                          L.E.L. 2.7%                         •   •   •   Q       2000         72    2.04
              Helium      0.1 ppm - 50%     350               •   •   •   AS      2000       135     3.82
                                     (1)
                                                              •   •   •   K       2000       199     5.64
                                                              •   •   •   Q       2000         66    1.87
              Nitrogen    0.1 ppm - 50%     350               •   •   •   AS      2000       145     4.11
                                     (1)
                                                              •   •   •   K       2000       214     6.06
                                                              •   •   •   Q       2000         71    2.01

              (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




           C•110                              1-877-PRAXAIR                     www.praxairdirect.com
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