Page 234 - Praxair - Specialty Gases and Equipment Reference Guide

Life Sciences and Healthcare

Medical Pure Gases

Helium USP
Chemical Formula: He See Pure Gas
Example Applications: Reduce Section For Transport
density of breathing mixtures and Information (page B•53)
facilitate breathing under certain United States of America Canada Mexico
physical and physiological conditions. Color Code
Shoulder Brown Dark Brown Brown
Body Brown Orange
DIN: 02014475

Helium USP

Part Specification Cylinder Style/ Content Pressure
Number CGA Connection (ft /m ) (psig/bar)
3
3
HE M-K He: ≥ 99.0% K/580 218/6.05 2,200/154
HE M-E Air: < 1.0% ME/930 22/0.62 2,000/154

Odor: None
HE M-D MD/930 13/0.37 2,000/154
See page B •84 for non-USP-grade cryogenic liquid helium (e.g., used in MRI applications).

Nitrogen NF
See Pure Gas
Chemical Formula: N 2
Example Applications: Section For Transport
Inert component in many gas mixtures; Information (page B•65)
inert displacement medium for phar- United States of America Canada Mexico
maceutical equipment and containers; Color Code
propellant in pressurized aerosol dis- Shoulder Black Black Black
pensers; coolant for carbon dioxide Body Black Black
surgical lasers; source of pneumatic DIN: 02014494
pressure to power gas-operated
medical devices.

Nitrogen NF
Part Specification Cylinder Style/ Content Pressure
3
Number CGA Connection (ft /m ) (psig/bar)
3
NI M-T N 2 : ≥ 99.0% T/580 304/8.43 2,640/183
NI M-K O 2 : < 1.0% K/580 228/6.32 2,200/154
Odor: None
NI M-E ME/960 23/0.65 2,000/154
NI M-D MD/960 14/0.39 2,000/154 and Healthcare Life Sciences

Nitrogen NF Cryogenic Liquid
Part Specification Cylinder Style/ Content Pressure
Number CGA Connection (ft /m ) (psig/bar)
3
3
NI MLC230-22 Same 230 L/Gas 580, Liquid 295 5,023/140 22/1.5

NI MLC180-22 specifications 180 L/Gas 580, Liquid 295 4,099/113 22/1.5
as above
NI MLC180-230 180 L/Gas 580, Liquid 295 4,099/113 230/16
NI MLC160-22 160 L/Gas 580, Liquid 295 3,519/98 22/1.5
NI MLC160-230 160 L/Gas 580, Liquid 295 3,519/98 230/16
Higher purities (NI 4.8M and NI 5.0M) also available for NF-grade gas and cryogenic liquid.

1-877-PRAXAIR www.praxairdirect.com D•233