Page 101 - Praxair - Specialty Gases and Equipment Reference Guide

Argon

Balance (M)SDS (M)SDS Regulator Page
Gas Range Recommendations
Helium 1 ppm - 49% P-18-0008-A Single Stage PRS40023331-CGA E •245
(1)
Hydrogen 5 ppm - 49% P-18-0009 Two Stage PRS40123331-CGA E •244
(1)
Nitrogen 1 ppm - 49% P-18-0007-A (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
Helium 1 ppm - 50% 580 • • • AS 2000 146 4.1
• • • AQ 2200 84 2.4
• • • A3 2200 32 0.9
• • • K 2000 199 5.64
• • • Q 2000 67 1.90
• • • G 2000 34 0.96
Hydrogen 1 ppm - 50% 350 • • • AS 2000 146 4.1
• • • AQ 2200 84 2.4
• • • A3 2200 32 0.9
• • • K 2000 199 5.64
• • • Q 2000 67 1.90
• • • G 2000 34 0.96
Nitrogen 1 ppm - 50% 580 • • • AS 2000 146 4.1
• • • AQ 2200 84 2.4
• • • A3 2200 32 0.9
• • • K 2000 199 5.64
• • • Q 2000 67 1.90
• • • G 2000 34 0.96
(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)

Section C – Mixtures

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