Page 125 - Praxair - Specialty Gases and Equipment Reference Guide

Nitrogen

Balance (M)SDS (M)SDS Regulator Page
Gas Range Recommendations
Argon 1 ppm - 49.9% P-18-0335-C Single Stage PRS40023331-CGA E •245
(1)
Helium 1 ppm - 49.9% P-18-0127-B Two Stage PRS40123331-CGA E •244
(1)
Hydrogen 1 ppm - 49.9% P-18-0432 Line PRS40052001-000 E •246
(1)
Oxygen 0.1 ppm - 49.9% P-18-0434-A
(1)

Balance Concentration CGA Praxair Grades* Cylinder Pressure Contents
Gas Range E N M P C U Style psig ft 3 m 3
Argon 1 ppm - 99.9% 580 • • • AS 2000 153 4.33
• • • K 2000 226 6.40
• • • Q 2000 75 2.12
• • • G 2000 38 1.08
Helium 1 ppm - 99.9% 580 • • • AS 2000 135 3.82
• • • K 2000 199 5.64
• • • Q 2000 67 1.90
• • • G 2000 34 0.96
Hydrogen 1 ppm - 99.9% 350 • • • AS 2000 133 3.77
• • • K 2000 196 5.55
• • • Q 2000 65 1.84
• • • G 2000 33 0.93
Oxygen 1 ppm - 99.9% 296 • • • AS 2000 153 4.33
• • • K 2000 226 2.52
• • • Q 2000 76 2.15
• • • G 2000 38 1.08
(1) For concentrations above 50%, the (M)SDS for the inverse mixture applies (i.e. Oxygen in Nitrogen).
* 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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