Page 114 - Praxair - Specialty Gases and Equipment Reference Guide
P. 114

Helium






            Balance             (M)SDS               (M)SDS              Regulator                        Page
            Gas                 Range                                    Recommendations
            Argon               1 ppm - 49%          P-18-0345-A         Single Stage   PRS40023331-CGA   E •245
                                                              (1)
            Nitrogen            1 ppm - 49%          P-18-0124-A         Two Stage     PRS40123331-CGA    E •244
                                                              (1)
                                                                         Line          PRS40052001-000    E •246


              Balance     Concentration     CGA    Praxair Grades*        Cylinder   Pressure   Contents
              Gas         Range                    E   N   M   P   C   U   Style   psig      ft 3    m 3
              Argon       200 ppm - 99.9%   580               •   •   •   AS      2000       153     4.33
                                                              •   •   •   K       2000       226     6.40
                                                              •   •   •   Q       2000         75    2.12
                                                              •   •   •   G       2000         38    1.08
              Nitrogen    200 ppm - 99.9%   580               •   •   •   AS      2000       142     4.02
                                                              •   •   •   K       2000       209     5.92
                                                              •   •   •   Q       2000         70    1.98
                                                              •   •   •   Q       2000         35    0.99
              (1)   For concentrations above 50%, the (M)SDS for the inverse mixture applies (i.e. Helium in Argon).
              *  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)














































            1-877-PRAXAIR                     www.praxairdirect.com                                        C•113    Section C – Mixtures
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