Rotary-screw compressors are known for their reliability, longevity and infrequent maintenance. As such, key industries, such as molded plastics, rely heavily on these nonstop workhorses for blow ...

The 20, 25, and 30-hp AS rotary-screw compressors feature the manufacturer's Sigma Profile air end and deliver 59 to 124 cfm along with pressures from 80 to 217 psig. The compressors' split cooling ...

One of the newer technologies involves twin screw compressors. This article will look at service-related aspects of such a unit. The screw compressor is a positive-displacement rotary mach-ine.