Single stage & two piston air compressor piston air compressor Ingersoll Rand has been the leader in the field. Whether in terms of reliability, efficiency, robustness, flexibility or maintainability, have unmatched. SS and TS series air compressor has a variety of configurations, so the use of compressed air used in manufacturing and service industries. Its single-stage and two-stage piston air compressor designed for heavy industrial applications, unit performance and compressed air quality beyond the customer requirements.