Resources

Short answer: Leak detector spray is a liquid that forms a thin film over a joint or fitting and blows visible bubbles or foam wherever gas escapes, so you can pinpoint leaks in compressed air and gas … read more

Short answer: An aftercooler is a heat exchanger that cools hot compressed air as it leaves the compressor, so much of its water vapour condenses into liquid. A moisture separator and drain then remov … read more

Short answer: Pressure dew point (PDP) is the temperature at which water vapour starts to condense out of compressed air at line pressure. If the air in your pipes cools below its pressure dew point, … read more

Short answer: Free air delivery (FAD) is the volume of air a compressor actually delivers, measured at its outlet and converted back to the conditions at its inlet. It is the figure to use when you si … read more