Gas Ballast in Vacuum Pump Aids Evacuation
![Gas Ballast in Vacuum Pump Aids Evacuation](https://www.achrnews.com/ext/resources/2022/09-September/Gas-Ballast.jpg?1662390055)
Proper evacuation of a refrigeration system is an important part of repairing or installing a unit, and the gas ballast in the vacuum pump helps improve the process.
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Vaccum and Evacuation, PDF, Pressure Measurement
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