Bulletin No. 0130 is a brochure that explains design and operational differences between single-screw compressors and twin-screw compressors. According to the manufacturer, the literature describes the unique design of the company's line of VSS single-screw compressors. The brochure provides specifications for all 12 models in the VSS line, and it includes dimensional drawings. A full-load power and capacity chart identifies corresponding percentage savings compared to twin-screw compressors. An isentropic efficiency/compression ratio graph illustrates the operational efficiency of the Parallax slide system compared to single-slide fixed-volume ratios. Also included is a detailed review of the VSS single-screw compression cycle and control process.

Vilter Manufacturing Corp., 5555 South Packard Ave., Cudahy, WI 53110; 414-744-0111; www.vilter.com.

eProduct #191