The lubricant in refrigeration and air conditioning systems has many important functions. Even though the circulated refrigerant is the working fluid required for cooling, the lubricant or oil is ...

For large commercial applications, parallel compressor systems provide diversification, flexibility, load matching, and higher efficiencies, which lead to lower operating costs when compared to single ...

Compressed Air is regarded as the fourth utility next to power, water and fuel (natural gas), and generally the one that all customers should produce and provide themselves. Compressed air is the ...

Years ago, it was common for shops to have a central power source that drove all the tools through a system of belts, wheels and driveshafts. The power was routed around the work space by mechanical ...