Air
Colorless, odorless, nonflammable gas.
Download SDS: P-4560
GRADES & SIZES
Air is available in gas form in high pressure steel or aluminum cylinders. Our most popular sizes and grades are below. Don’t see what you need? Send us a message and we’ll get back to you in 1 day.
AVAILABILITY
Air is available for purchase with a new cylinder or for exchange at any of our 8 Front Range General Air locations. Business customers can purchase Air in a store or request delivery.
Popular Sizes
| Size | Volume | CGA | Full Pressure |
|---|---|---|---|
| #1 Steel | 310CF | 590 | 2200 |
| #2 Steel | 234CF | ||
| #4 Aluminum | 125CF | ||
| #5 Steel | 80CF | ||
| #6 Steel | 60CF |
Trace Impurities
| O2 | N2 | H2O | THC | CO2 | CO |
|---|---|---|---|---|---|
| 19.5% – 23.5% | Balanced | <2 ppm | <1 ppm | <0.5 ppm | <0.5 ppm |
Popular Sizes
| Size | Volume | CGA | Full Pressure |
|---|---|---|---|
| #1 Steel | 310CF | 590 | 2200 |
| #2 Steel | 275CF | ||
| #5 Steel | 125CF |
Trace Impurities
| O2 | N2 | H2O | THC |
|---|---|---|---|
| 19.5% – 23.5% | Balanced | <3 ppm | <1 ppm |
Popular Sizes
| Size | Volume | CGA | Full Pressure |
|---|---|---|---|
| HH (#1 Steel) | 310CF | 346 | 2200 |
| H (#2 Steel) | 233CF | ||
| M (#4 Steel) | 117CF | ||
| E Steel | 23CF | 950 | |
| E Aluminum | 23CF | 346 |
Trace Impurities
| O2 | N2 | CO2 | CO | SO2 | NO2 & NO | Oil |
|---|---|---|---|---|---|---|
| 19.5% – 23.5% | Balanced | <500 ppm | <10 ppm | <5 ppm | <2.5 ppm | None |
Popular Sizes
| Size | Volume | CGA | Full Pressure |
|---|---|---|---|
| #1 Steel | 300CF | 346 | 2200 |
| #2 Steel | 260CF | ||
| #4 Steel | 117CF |
Trace Impurities
| O2 | N2 | CO2 | CO | Oil |
|---|---|---|---|---|
| 19.5% – 23.5% | Balanced | <1000 ppm | <10 ppm | None |
Common Applications
- Used as a source of safe air to assist in self-contained breathing apparatuses (SCBAs)
- Medically safe air to assist in breathing
- Calibrating and checking various impurities of Hydrocarbons in emissions.
- Gas Chromatography
- Flame Ionization Detector as a flame gas
- Flame Photometric Detector as a flame gas
- Atomic Emission Detector as a dry air purge gas
Frequently Asked Questions
Is Compressed Air the same as Oxygen?
No. The terms Air and Oxygen are often used interchangeably but they are different. Oxygen is a pure element while air consists of combination of several elements, primarily Nitrogen and Oxygen.
What is Ultra Zero Air?
Ultra Zero or zero air is air with contains a very low amount of hydrocarbons — typically less than 1ppm.
Is Compressed Breathing Air (Grade D) the same as USP (Medical) Air?
No. OSHA defines Grade D air as suitable for breathing when it has the following characteristics: Oxygen content of 19.5-23.5 percent, hydrocarbon (condensed) content of 5 milligrams per cubic meter of air or less, carbon monoxide content of 10 parts per million (ppm) or less, and carbon dioxide content of 1,000 ppm or less.