Page 114 - Praxair - Specialty Gases and Equipment Reference Guide

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