With a single screw that provides quiet operation, VSM has one main rotor and either one or two gate rotors. From Vilter Manufacturing Corp., mini screw compressor's compact design has no external tubing or gearbox. The company's Vission microcontroller is standard, and an optional oil pump is available.
September/October 2000, RS# 234
Mini Screw Compressor
December 4, 2000