Page 103 - Praxair - Specialty Gases and Equipment Reference Guide
P. 103

Butane






            Balance             (M)SDS               (M)SDS              Regulator                        Page
            Gas                 Range                                    Recommendations
            Air                 1 - 9500 ppm         P-18-0090-A         Single Stage   PRS40023331-CGA   E •245
            Helium              0.5 ppm - 3.8%       P-18-0134-B         Two Stage     PRS40123331-CGA    E •244
                                3.81 - 50%           P-18-0452-A         Line          PRS40052001-000    E •246
            Nitrogen            1 ppm - 4.6%         P-18-0076-A
                                5.61 - 50%           P-18-0453



              Balance     Concentration     CGA    Praxair Grades*        Cylinder   Pressure   Contents
              Gas         Range                    E   N   M   P   C   U   Style   psig      ft 3    m 3
              Air         0.5 - 9500 ppm    590               •   •   •   AS      2000       146     4.13
                                     (1)
                                                              •   •   •   AQ      2200         84    2.40
                          L.E.L. 1.9%                         •   •   •   A3      2200         32    0.90
              Helium      0.5 ppm - 50%     350               •   •   •   AS      2000       146     4.10
                                     (1)
                                                              •   •   •   AQ      2200         84    2.40
                                                              •   •   •   A3      2200         32    0.90
                                                              •   •   •   K       2000       199     5.64
                                                              •   •   •   Q       2000         67    1.90
                                                              •   •   •   G       2000         34    0.96
              Nitrogen    0.5 ppm - 50%     350               •   •   •   AS      2000       146     4.10
                                     (1)
                                                              •   •   •   AQ      2200         84    2.40
                                                              •   •   •   A3      2200         32    0.90
                                                              •   •   •   K       2000       199     5.64
                                                              •   •   •   Q       2000         67    1.90
                                                              •   •   •   G       2000         34    0.96
              (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•102                              1-877-PRAXAIR                     www.praxairdirect.com
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