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High-pressure gas

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A high-pressure gas is a gas in a container that has a pressure of 3448 kPa (500 psig) or higher at 21.1°C (70°F).[1]

High pressure gas expands to a lower pressure, resulting in a drop in temperature. Because the initial pressure going into the cooling stage is 1800 psi, it is important that the correct type of regulator is used to promote optimal cooling performance and to minimize damage to the system.[2]

References

  1. http://www.ehs.iastate.edu/publications/manuals/gascylinder.pdf
  2. http://www.mmr.com/PDFs/HighPressureReg_TSB005.pdf