New Technology Application of Screw Air Compressor

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]

Drilling rig manual pdf

Drilling derricks and Rig Masts consist of a steel framework with a square or rectangular cross-section. Their purpose is to support the hoisting equipment and rack the tubulars while tripping pipe. The numbe. [pdf]