Page 128 - Praxair - Specialty Gases and Equipment Reference Guide

Oxygen

Balance (M)SDS (M)SDS Regulator Page
Gas Range Recommendations
Argon 1 ppm - 23.4% P-18-0285-B Single Stage PRS40023331-CGA E •245
23.6 - 49% (1) P-18-0131 Two Stage PRS40123331-CGA E •244
Helium 1 ppm - 23.5% P-18-0010-B Line PRS40052001-000 E •246
23.6 - 50% (1) P-18-0014-A

Nitrogen 1 ppm - 23.5% P-18-0153-B
(1)
23.6 - 49% (1) P-18-0011-A

Balance Concentration CGA Praxair Grades* Cylinder Pressure Contents
Gas Range E N M P C U Style psig ft 3 m 3
Argon 0.5 ppm - 5% 580 • • • AS 2000 153 4.33
(2)
5.01 - 23.5% 590 • • • AQ 2200 89 2.52
(2)
23.6 - 99.9% 296 • • • A3 2200 33 0.93
(2)
• • • K 2000 226 6.40
• • • Q 2000 75 2.12
• • • G 2000 38 1.08
Helium 0.5 ppm - 5% 580 • • • AS 2000 135 3.82
(2)
5.01 - 23.5% 590 • • • AQ 2200 78 2.21
(2)
23.6 - 99.9% 296 • • • A3 2200 29 0.82
(2)
• • • K 2000 199 5.64
• • • Q 2000 67 1.90
• • • G 2000 34 0.96
Nitrogen 0.5 ppm - 5% 580 • • • • • • AS 2000 142 4.02
(2)
5.01 - 23.5% 590 • • • • • • AQ 2200 78 2.21
(2)
23.6 - 99.9% 296 • • • • • • A3 2200 29 0.82
(2)
• • • • • • 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. Argon in Oxygen).
(2) Available concentrations for NIST traceable mixtures to be determined by available reference materials.
* 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

1-877-PRAXAIR www.praxairdirect.com C•127