Page 183 - Praxair - Specialty Gases and Equipment Reference Guide

Hydrocarbon Processing

Natural Gas

Extensive Distribution Network
Through a robust network of hundreds Pure specialty and industrial grade
of supply points served by dozens of gases are available in high pressure
gas plants, Praxair provides reliable or ultra high pressure cylinders, multi-
delivery of gases, supply systems, packs or tube trailers to meet any
advanced process and applications requirement.
technologies, and other services that Refer to Section A – Cylinders and
deliver exceptional value to the natural Containers for details.
gas industry.

Typical Natural Gas Reference Standards
Component GPA** Gas High Helium Danalyzer C7+ Natural Sour Natural Extended Natural Natural Gas Pipeline Natural High Ethane
™
Concentration (Mol %) Reference Reference Mixture Gas Mixture Gas Mixture Gas Mixture Mixture Gas Mixture Gas Mixture
Argon – – – – 0.4 0.37500 – – –
n-Butane 3.0 1.0 0.3 0.3 0.3 0.30000 0-5.0 0.10 3.00
Carbon Dioxide 1.0 0.3 1.0 1.0 1.0 1.00000 0-25.0 0.60 0.50
n-Decane – – – – – 0.00018 * – –
n-Dodecane – – – – – 0.00005 * – –
Ethane 9.0 3.0 5.0 4.6 6.0 6.00000 0-10.0 4.0 12.50
Helium 0.5 2.0 – – 0.5 0.50000 – – –
n-Heptane – – – 0.03 0.02 0.00075 * – –
n-Hexane – – 0.03 0.05 0.05 0.02300 * – –
Hydrogen Sulfide – – – – 1.0 – 0-25.0 – –
Isobutane 3.0 1.0 0.3 0.3 0.3 0.30000 0-5.0 – 3.00
Isopentane 1.0 0.3 0.1 0.1 0.1 0.10000 0-1.0 0.03 0.50
Methane 70.5 88.7 89.57 90.0 87.12 86.99999 70-90 94 64
(Balance) (Balance) (Balance) (Balance) (Balance) (Balance) (Balance) (Balance) (Balance)
Methyl Mercaptan – – – – – – – 4 ppm –
Nitrogen 5.0 1.6 2.5 2.5 2.0 3.00000 – 0.60% 9.00
n-Nonane – – – 0.004 – 0.00018 – – –
n-Octane – – – 0.016 0.01 0.00075 – – –
Propane 6.0 1.8 1.0 1.0 1.0 1.30000 0-6.0 0.40 7.0
n-Pentane 1.0 0.3 0.1 0.1 0.1 0.10000 0-1.0 0.02 0.50
Neopentane – – 0.1 – 0.1 – – – –
n-Tridecane – – – – – 0.00005 * – –
n-Undecane – – – – – 0.00005 * – –
* C6+: As specified by enduser (Dewpoint restrictions may apply, All concentrations must add up to 100%).
** Gas Processors Association
Praxair provides a wide range of mixtures with either overall mixture accuracy or component uncertainty.

Praxair’s full line of environmental The 2002 Series regulators are design-
products support compliance and ed for primary pressure control of
regulatory needs of the natural non-corrosive, high-purity or liquefied
gas industry. See page D•162 for gases. It is useful for applications
a complete listing of grades and where minor fluctuations in outlet
specifications. pressure due to diminishing inlet
supply pressure can be tolerated.
Part number PRS20022731-510.
See page E•257 for options and
detailed specifications.
2002 Series Regulator

Processing
Hydrocarbon
D•182 1-877-PRAXAIR www.praxairdirect.com