One of the most significant advancements in screw air compressor technology is the widespread adoption of Variable Speed Drive (VSD) systems. Traditional fixed-speed compressors run at a constant speed, regardless of the actual air demand.
[pdf] Integrated design saves space, reduces installation, and boosts overall efficiency. High efficiency and lower energy use with two-stage compression for heavy-duty demand. Optimized for processes needing large airflow at low pressure, cutting energy waste.
[pdf] The principle of rotary screw air compression is really no different than reciprocating (piston) compression. Both are positive displacement machines that take in a fixed volume of air at atmospheric press.
[pdf] 
